T
E
L
K
O
M
N
I
K
A
T
elec
o
m
m
un
ica
t
io
n,
Co
m
pu
t
ing
,
E
lect
ro
nics
a
nd
Co
ntr
o
l
Vo
l.
19
,
No
.
1
,
Feb
r
u
ar
y
2
0
2
1
,
p
p
.
3
3
9
~
3
4
8
I
SS
N:
1
6
9
3
-
6
9
3
0
,
ac
cr
ed
ited
First Gr
ad
e
b
y
Kem
en
r
is
tek
d
i
k
ti,
Dec
r
ee
No
: 2
1
/E/KPT
/2
0
1
8
DOI
: 1
0
.
1
2
9
2
8
/TE
L
KOM
NI
K
A.
v
1
9
i1
.
1
5
8
7
9
339
J
o
ur
na
l ho
m
ep
a
g
e
:
h
ttp
:
//jo
u
r
n
a
l.u
a
d
.
a
c.
id
/in
d
ex
.
p
h
p
/TELK
OM
N
I
K
A
A propo
sed clo
ud
-
ba
sed
billers
hub
using
secure
d e
-
p
a
y
ments
sy
stem
B
ela
l A
y
y
o
ub
,
B
ila
l Za
hra
n,
M
a
hd
i A
.
Ni
s
ira
t
,
F
a
ro
uq
M
.
S.
A
l
-
T
a
wee
l
,
M
o
ha
m
m
a
d
Al
K
ha
wa
lda
h
F
a
c
u
lt
y
o
f
E
n
g
i
n
e
e
rin
g
Tec
h
n
o
lo
g
y
,
Al
-
Ba
lq
a
Ap
p
li
e
d
U
n
iv
e
rsit
y
,
Jo
rd
a
n
Art
icle
I
nfo
AB
S
T
RAC
T
A
r
ticle
his
to
r
y:
R
ec
eiv
ed
Feb
18
,
2
0
2
0
R
ev
is
ed
May
14
,
2
0
2
0
Acc
ep
ted
J
u
n
25
,
2
0
2
0
Au
to
m
a
ti
o
n
o
f
se
v
e
ra
l
p
a
y
m
e
n
t
p
ro
c
e
ss
e
s
fro
m
sta
rt
to
e
n
d
is
a
c
h
a
ll
e
n
g
i
n
g
tas
k
,
p
a
rti
c
u
larly
wh
e
n
m
u
lt
i
p
le
p
a
y
m
e
n
ts
fro
m
o
n
li
n
e
a
n
d
o
ffli
n
e
b
il
lers
a
re
in
v
o
lv
e
d
.
In
th
is
p
a
p
e
r,
we
in
tro
d
u
c
e
d
a
n
e
w
a
g
g
re
g
a
t
o
r
s
y
ste
m
to
c
o
m
b
in
e
a
ll
b
il
li
n
g
sy
ste
m
ty
p
e
s,
i
n
wh
ic
h
it
is
p
o
ss
i
b
le
t
o
p
a
y
i
n
v
o
ice
s
e
lec
tro
n
i
c
a
ll
y
.
T
h
e
p
ro
p
o
se
d
a
g
g
re
g
a
t
o
r
s
y
ste
m
wa
s
d
e
sig
n
e
d
t
o
b
e
e
m
p
l
o
y
e
d
in
a
c
l
o
u
d
-
b
a
se
d
b
il
lers
h
u
b
(CBBH)
d
e
v
e
lo
p
e
d
b
y
th
e
c
e
n
tral
b
a
n
k
s.
F
u
rt
h
e
rm
o
re
,
m
a
n
y
a
p
p
li
c
a
ti
o
n
s
c
a
n
b
e
re
a
li
z
e
d
su
c
h
a
s;
d
e
p
o
sit
e
-
m
o
n
e
y
,
wit
h
d
ra
wa
l
e
-
m
o
n
e
y
,
a
n
d
o
th
e
r
a
p
p
li
c
a
ti
o
n
s.
A
G
a
tew
a
y
tran
sla
to
r
is
u
se
d
to
a
p
p
ly
a
u
t
h
e
n
ti
c
a
ti
o
n
ru
les
,
se
c
u
rit
y
,
a
n
d
p
r
iv
a
c
y
.
Th
e
p
ro
p
o
se
d
s
y
st
e
m
wa
s
e
m
p
lo
y
e
d
in
th
e
Jo
rd
a
n
ian
p
a
y
m
e
n
t
g
a
tew
a
y
a
n
d
s
u
c
c
e
ss
fu
ll
y
fu
lfi
ll
s it
s
p
u
r
p
o
se
.
K
ey
w
o
r
d
s
:
B
ill p
ay
m
en
t
C
lo
u
d
co
m
p
u
tin
g
E
lectr
o
n
ic
b
ill
p
r
esen
tm
en
t
a
n
d
p
ay
m
en
t
I
n
ter
n
et
b
illi
n
g
s
y
s
tem
T
h
is i
s
a
n
o
p
e
n
a
c
c
e
ss
a
rticle
u
n
d
e
r
th
e
CC B
Y
-
SA
li
c
e
n
se
.
C
o
r
r
e
s
p
o
nd
ing
A
uth
o
r
:
Ma
h
d
i A
.
Nis
ir
at
Dep
ar
tm
en
t o
f
C
o
m
m
u
n
icatio
n
s
E
n
g
in
ee
r
in
g
T
ec
h
n
o
lo
g
y
Facu
lty
o
f
E
n
g
in
ee
r
in
g
T
ec
h
n
o
lo
g
y
Al
-
B
alq
a
Ap
p
lied
Un
iv
er
s
ity
,
J
o
r
d
an
E
m
ail:
m
am
n
is
ir
at@
b
au
.
ed
u
.
j
o
,
m
am
n
is
ir
at@
g
m
ail.
co
m
1.
I
NT
RO
D
UCT
I
O
N
E
-
p
ay
m
e
n
t
ap
p
licatio
n
s
ar
e
am
o
n
g
th
e
m
o
s
t
p
r
o
m
is
in
g
in
n
o
v
atio
n
s
th
at
s
h
if
t
co
n
s
u
m
er
s
f
r
o
m
u
s
in
g
tr
ad
itio
n
al
b
ill
p
ay
m
e
n
t
to
elec
tr
o
n
ic
alter
n
ativ
es
[
1
,
2
]
.
E
lectr
o
n
ic
b
ill
p
r
esen
tm
e
n
t
an
d
p
ay
m
en
t
(
E
B
PP
)
is
th
e
p
r
o
ce
s
s
b
y
wh
ich
c
o
m
p
a
n
ies
p
r
esen
t
in
v
o
ices
th
r
o
u
g
h
t
h
e
in
t
er
n
et
an
d
m
ak
e
p
a
y
m
en
ts
to
o
n
e
an
o
th
e
r
.
Mo
s
t
o
f
th
e
I
n
ter
n
et
b
illi
n
g
s
y
s
tem
is
d
esig
n
ed
u
tili
zin
g
clo
u
d
c
o
m
p
u
tin
g
tech
n
o
lo
g
y
.
Sev
er
al
c
o
u
n
t
r
ies
b
u
ild
th
eir
o
wn
clo
u
d
p
a
y
m
en
t
g
atew
ay
s
to
u
n
if
y
p
a
y
m
en
t
is
s
u
es
[
3
-
8
]
.
T
h
e
two
p
r
im
ar
y
E
-
p
ay
m
en
t
m
o
d
els
ar
e
th
e
b
iller
-
d
ir
ec
t
m
o
d
el
an
d
th
e
ag
g
r
eg
ati
o
n
m
o
d
el.
I
n
th
e
a
g
g
r
e
g
atio
n
m
o
d
el,
th
e
ag
g
r
eg
at
o
r
co
m
b
in
es
d
ata
f
r
o
m
m
u
ltip
le
b
iller
s
an
d
co
n
s
o
lid
ates
th
e
in
f
o
r
m
atio
n
at
a
s
in
g
le
d
esti
n
atio
n
.
Sev
er
al
I
n
ter
n
et
-
b
ased
b
illi
n
g
s
y
s
tem
s
m
o
d
els
wer
e
s
u
g
g
ested
i
n
th
e
liter
atu
r
e.
As
p
ar
t
o
f
th
is
p
r
o
p
o
s
al,
s
ev
er
al
I
n
ter
n
et
-
b
ased
b
illi
n
g
s
y
s
tem
s
m
o
d
els
wer
e
s
u
g
g
ested
in
th
e
liter
atu
r
e
[
6
-
16
]
.
T
h
is
p
ap
er
r
ep
r
esen
ts
a
p
r
o
p
o
s
al
to
an
y
C
en
tr
al
B
an
k
in
ten
d
to
estab
lis
h
a
clo
u
d
-
b
ased
b
iller
s
h
u
b
(
C
B
B
H)
.
I
t
aim
s
to
d
ef
in
e
th
e
tech
n
ical
r
eq
u
ir
e
m
en
ts
an
d
th
e
f
u
n
ctio
n
al
b
o
u
n
d
ar
ies
n
ee
d
e
d
.
I
t
also
d
ep
icts
a
h
ig
h
-
lev
el
v
iew
o
f
th
e
en
v
is
io
n
ed
ar
ch
itectu
r
e
an
d
p
r
esen
ts
th
e
ex
p
ec
ted
tim
elin
e
an
d
im
p
lem
en
tatio
n
ap
p
r
o
ac
h
.
T
h
is
p
a
p
er
s
er
v
es a
s
a
r
ef
er
en
ce
f
o
r
f
u
tu
r
e
an
a
ly
s
is
,
d
esig
n
,
an
d
im
p
lem
e
n
tatio
n
a
ctiv
ities
.
T
h
e
au
d
ien
ce
s
tar
g
eted
b
y
th
is
p
ap
er
in
cl
u
d
e
th
e
f
o
llo
win
g
:
−
T
h
e
s
e
c
ti
o
n
s
o
n
f
u
n
c
t
i
o
n
a
l
v
i
ew
,
i
m
p
l
e
m
e
n
t
at
i
o
n
a
p
p
r
o
a
c
h
,
an
d
p
a
p
e
r
t
i
m
e
l
i
n
e
w
o
u
l
d
b
e
t
h
ei
r
p
r
i
m
a
r
y
f
o
c
u
s
.
−
Sy
s
tem
An
aly
s
ts
f
r
o
m
all
in
v
o
lv
ed
p
ar
ties
.
T
h
eir
p
r
im
ar
y
f
o
cu
s
wo
u
ld
b
e
th
e
s
ec
tio
n
s
o
n
f
u
n
ctio
n
al
v
iew
an
d
ar
ch
itectu
r
al
o
v
e
r
v
iew.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
1
6
9
3
-
6
9
3
0
T
E
L
KOM
NI
KA
T
elec
o
m
m
u
n
C
o
m
p
u
t E
l Co
n
tr
o
l
,
Vo
l.
19
,
No
.
1
,
Feb
r
u
ar
y
2
0
2
1
:
3
3
9
-
3
4
8
340
−
Ar
ch
itects f
r
o
m
all
p
ar
ties
.
T
h
eir
p
r
im
ar
y
f
o
c
u
s
wo
u
ld
b
e
th
e
s
ec
tio
n
o
n
th
e
p
r
o
p
o
s
ed
s
o
lu
tio
n
.
−
T
ec
h
n
ical
team
lead
s
f
r
o
m
all
p
ar
ties
.
T
h
eir
p
r
im
ar
y
f
o
c
u
s
wo
u
ld
b
e
th
e
s
ec
tio
n
s
o
n
th
e
p
r
o
p
o
s
ed
s
o
lu
tio
n
,
im
p
lem
en
tatio
n
ap
p
r
o
ac
h
,
an
d
tim
elin
e.
W
h
ile
th
e
ab
o
v
e
p
o
in
ts
in
d
icate
wh
ich
s
ec
tio
n
s
ar
e
m
o
s
t
im
p
o
r
tan
t
f
o
r
wh
ich
a
u
d
ien
ce
,
all
o
th
e
r
s
ec
ti
o
n
s
ar
e
s
o
m
eh
o
w
r
elev
an
t
to
all
.
I
n
s
u
ch
a
ca
s
e,
it
is
ad
v
is
ab
le
th
at
th
e
p
ap
er
b
e
r
ev
ie
wed
in
its
en
tire
ty
.
T
ec
h
n
ical
au
d
ien
ce
s
th
at
a
r
e
n
o
t
lis
ted
ab
o
v
e
(
e.
g
.
d
ev
el
o
p
er
s
)
ar
e
lik
ely
to
b
ase
th
eir
wo
r
k
o
n
th
e
m
o
r
e
elab
o
r
ate
p
a
p
er
s
th
at
will
b
e
b
ased
o
n
th
is
p
r
o
p
o
s
al.
T
h
e
f
o
llo
win
g
lis
t
r
ep
r
esen
ts
th
e
p
a
p
er
s
an
d
s
o
u
r
ce
s
o
f
in
f
o
r
m
atio
n
u
p
o
n
wh
ic
h
th
e
c
o
n
ten
t o
f
th
is
p
ap
er
was b
ased
:
−
R
elev
an
t d
o
cu
m
en
tatio
n
f
r
o
m
ce
n
tr
al
B
an
k
in
p
a
r
ticu
lar
:
−
T
h
r
o
u
g
h
th
e
an
aly
s
is
o
f
th
e
n
a
tio
n
al
p
ay
m
e
n
t g
atew
ay
p
latf
o
r
m
,
an
d
h
o
w
it in
teg
r
ates w
ith
b
iller
s
.
T
h
e
s
co
p
e
o
f
th
is
p
ap
er
is
li
m
ited
to
th
e
p
r
o
p
o
s
ed
b
iller
h
u
b
s
o
lu
tio
n
.
T
h
e
p
r
o
p
o
s
ed
wo
r
k
will
b
e
in
teg
r
ated
with
v
ar
i
o
u
s
ty
p
es
o
f
b
iller
s
,
an
d
with
n
atio
n
al
p
ay
m
en
t
g
atew
ay
(
as
th
e
p
r
im
a
r
y
b
an
k
/PS
P
h
u
b
e
-
p
ay
m
en
ts
)
.
T
h
e
p
r
o
p
o
s
ed
clo
u
d
-
b
ased
b
iller
s
h
u
b
(
C
B
B
H)
will
p
r
o
v
id
e
all
th
e
f
ac
ilit
ies
n
ee
d
ed
to
e
n
ab
le
b
o
th
,
d
ir
ec
t a
n
d
in
d
ir
ec
t b
iller
s
o
n
n
atio
n
al
p
ay
m
e
n
t g
atew
ay
.
A
s
i
ll
u
s
t
r
a
t
e
d
i
n
Fi
g
u
r
e
1
,
t
h
e
n
a
t
i
o
n
a
l
p
a
y
m
e
n
t
g
a
t
e
wa
y
f
a
c
il
i
t
a
te
s
p
a
y
m
e
n
t
s
b
e
t
w
ee
n
c
u
s
to
m
e
r
s
a
n
d
b
i
l
l
e
r
s
.
T
h
e
p
r
o
p
o
s
e
d
g
a
te
w
a
y
p
r
o
v
i
d
es
a
p
l
a
t
f
o
r
m
t
h
a
t
i
n
te
g
r
a
t
e
s
b
a
n
k
s
a
n
d
o
t
h
e
r
Pa
y
m
e
n
t
S
e
r
v
i
c
e
P
r
o
v
i
d
e
r
s
(
P
S
P
’
s
)
w
it
h
t
h
e
v
a
r
i
o
u
s
t
y
p
es
o
f
b
i
l
l
e
r
s
[
1
7
-
20]
.
I
n
o
t
h
e
r
w
o
r
d
s
,
i
t
e
n
c
o
m
p
a
s
s
es
a
n
a
t
i
o
n
a
l
B
a
n
k
/
P
SP
h
u
b
a
s
w
e
ll
a
s
a
b
i
ll
e
r
h
u
b
.
T
h
e
p
u
r
p
o
s
e
o
f
th
is
p
ap
er
is
to
im
p
lem
en
t
a
s
elf
-
co
n
tai
n
ed
,
r
e
liab
le,
an
d
s
ca
lab
le
b
iller
h
u
b
th
at
wo
u
ld
d
ec
o
u
p
le
th
e
b
iller
s
f
r
o
m
th
e
n
a
tio
n
al
p
ay
m
en
t
g
atew
ay
p
latf
o
r
m
.
A
d
ir
ec
t
co
n
s
eq
u
en
ce
is
th
at
it
wo
u
ld
ab
s
tr
ac
t
all
asp
ec
ts
co
n
ce
r
n
in
g
th
e
i
n
teg
r
atio
n
with
b
iller
s
,
as
well
as
th
e
d
etails
o
f
h
o
w
b
illi
n
g
d
at
a
ar
e
o
b
tain
e
d
f
r
o
m
,
an
d
h
o
w
p
ay
m
en
t
n
o
tific
atio
n
s
ar
e
d
eliv
er
ed
to
b
iller
s
.
T
h
e
p
r
o
p
o
s
ed
clo
u
d
-
b
ased
b
iller
s
h
u
b
(
C
B
B
H)
will
p
r
o
v
id
e
all
th
e
f
ac
ilit
ies n
ee
d
e
d
to
en
a
b
le
b
o
th
,
d
ir
ec
t a
n
d
in
d
ir
ec
t b
iller
s
o
n
n
atio
n
al
p
a
y
m
en
t g
atew
ay
.
Fig
u
r
e
1
.
Natio
n
al
p
ay
m
e
n
t g
a
tewa
y
-
th
e
n
ee
d
f
o
r
a
b
iller
h
u
b
2.
P
RO
P
O
SE
D
M
E
T
H
O
D
T
h
is
s
ec
tio
n
in
tr
o
d
u
ce
s
th
e
m
ain
co
n
ce
p
ts
an
d
p
r
o
v
id
es
d
et
ailed
n
ec
ess
ar
y
in
f
o
r
m
atio
n
to
clar
if
y
th
e
b
asic f
u
n
ctio
n
s
f
o
r
th
e
clo
u
d
-
b
ased
b
iller
s
hub
(
C
B
B
H)
.
Als
o
,
it illu
s
tr
ates
h
o
w
b
iller
s
class
if
ied
to
s
m
all,
m
id
an
d
b
ig
,
r
eg
ar
d
in
g
to
v
o
lu
m
e
o
f
d
aily
tr
an
s
ac
tio
n
s
,
f
r
o
m
b
iller
to
th
e
n
atio
n
a
l p
ay
m
en
t g
at
way
an
d
v
is
e
v
er
s
a.
T
h
e
p
r
o
v
id
ed
s
u
b
s
ec
tio
n
s
at
ar
tin
g
f
r
o
m
th
e
f
u
n
ctio
n
al
v
iew
s
u
b
-
s
ec
tio
n
d
o
wn
to
th
e
co
s
tu
m
er
s
u
p
p
o
r
t
s
u
b
-
s
ec
tio
n
ar
e
m
ea
n
t to
clar
if
ty
th
e
im
p
o
r
tan
t r
o
le
o
f
ea
c
h
o
f
th
em
as p
ar
t
o
f
th
e
p
r
o
p
o
s
ed
s
ch
em
e.
2
.
1
.
F
un
ct
io
na
l
v
iew
T
h
e
C
B
B
H
is
m
ea
n
t
to
p
r
o
v
id
e
a
clo
u
d
-
b
ased
s
er
v
ice
th
at
e
n
ab
les
b
iller
s
to
b
ec
o
m
e
in
teg
r
ated
with
n
atio
n
al
p
ay
m
en
t
g
atew
ay
in
a
s
tan
d
ar
d
an
d
lo
o
s
ely
-
co
u
p
le
d
m
an
n
er
,
with
o
u
t
d
ir
ec
t
tech
n
ical
in
v
o
lv
em
en
t
o
f
n
atio
n
al
p
ay
m
e
n
t
g
atew
ay
.
I
n
o
th
er
wo
r
d
s
,
C
B
B
H
is
m
ea
n
t
t
o
d
ec
o
u
p
le
th
e
in
teg
r
atio
n
o
f
b
iller
s
f
r
o
m
n
atio
n
al
p
ay
m
en
t
g
atew
ay
as
s
h
o
w
n
Fi
g
u
r
e
2
.
d
ep
icts
a
h
i
g
h
-
lev
el
f
u
n
ctio
n
al
v
iew
o
f
n
atio
n
al
p
ay
m
en
t
g
atew
ay
with
C
B
B
H.
I
t
also
p
r
o
v
id
es
a
B
i
ller
Po
r
tal,
th
r
o
u
g
h
wh
ich
S
m
all
an
d
Me
d
iu
m
B
iller
s
(
s
u
ch
as
s
ch
o
o
ls
an
d
u
n
iv
er
s
ities
wh
o
ar
e
ty
p
ically
tech
n
ically
-
u
n
r
ea
d
y
to
i
n
teg
r
a
te
with
n
atio
n
al
p
ay
m
en
t
g
atew
ay
)
ca
n
m
an
u
ally
u
p
lo
ad
b
illi
n
g
d
ata,
v
iew
r
ep
o
r
ts
,
an
d
im
p
o
r
t p
ay
m
en
t d
ata.
2
.
1
.
1
.
T
y
pes
o
f
bil
lers
A
s
w
i
ll
b
e
e
x
p
l
a
i
n
e
d
t
h
r
o
u
g
h
o
u
t
t
h
is
p
a
p
e
r
,
t
h
e
p
r
o
p
o
s
e
d
C
B
B
H
t
a
k
e
s
i
n
t
o
c
o
n
s
i
d
e
r
at
i
o
n
t
h
e
v
a
r
i
o
u
s
s
i
z
es
o
f
b
i
ll
e
r
s
(
i
.
e
.
s
m
a
ll
a
n
d
m
e
d
i
u
m
)
.T
h
e
i
r
d
i
f
f
e
r
e
n
t
le
v
e
ls
o
f
t
e
c
h
n
i
c
a
l
i
n
t
e
g
r
a
ti
o
n
r
e
a
d
i
n
e
s
s
,
e
i
t
h
e
r
o
n
li
n
e
or
o
f
f
l
i
n
e
,
a
r
e
a
ls
o
c
l
a
r
i
f
i
e
d
.
F
i
n
a
ll
y
,
t
h
e
b
u
s
i
n
es
s
n
a
t
u
r
e
o
f
b
i
ll
i
n
g
d
a
t
a
w
h
e
r
e
al
s
o
h
i
g
h
li
t
e
d
f
o
r
t
h
e
c
o
m
p
l
e
t
e
n
es
s
o
f
t
h
e
d
e
s
c
r
i
p
ti
o
n
.
Evaluation Warning : The document was created with Spire.PDF for Python.
T
E
L
KOM
NI
KA
T
elec
o
m
m
u
n
C
o
m
p
u
t E
l Co
n
tr
o
l
A
p
r
o
p
o
s
ed
clo
u
d
-
b
a
s
ed
b
iller
s
h
u
b
u
s
in
g
s
ec
u
r
ed
e
-
p
a
yme
n
ts
s
yste
m
(
B
ela
l A
yy
o
u
b
)
341
a
.
On
lin
e
b
iller
s
On
lin
e
b
iller
s
(
also
r
ef
er
r
ed
to
as
in
teg
r
ated
b
iller
s
)
ar
e
m
o
s
tly
en
ter
p
r
is
e
-
lev
el
b
iller
s
.
Su
c
h
a
k
in
d
o
f
b
iller
s
ar
e
co
n
s
id
er
ed
as
tech
n
ically
ca
p
ab
le
o
f
in
teg
r
atin
g
with
n
atio
n
al
p
ay
m
e
n
t
g
atew
ay
u
s
in
g
eith
er
th
e
p
u
ll
o
r
p
u
s
h
in
teg
r
atio
n
m
o
d
el.
T
h
ey
ar
e
e
n
ab
led
o
n
n
atio
n
al
p
a
y
m
en
t
g
atew
ay
v
ia
d
ir
ec
t
in
te
g
r
atio
n
with
C
B
B
H
in
teg
r
ated
s
er
v
ices
.
b
.
Of
f
lin
e
b
iller
s
Of
f
lin
e
b
iller
s
wh
ich
m
ay
b
e
c
o
n
ce
r
n
e
d
in
all
s
m
all
o
r
m
ed
iu
m
b
iller
s
o
n
ly
.
T
h
is
ty
p
e
o
f
b
il
ler
s
h
av
e
n
o
I
T
in
f
r
astru
ctu
r
e
s
o
it
ca
n
n
o
t
b
e
in
teg
r
ated
tech
n
ically
with
th
e
n
atio
n
al
p
a
y
m
en
t
g
ate
way
th
r
o
u
g
h
th
e
C
B
B
H
b
iller
p
o
r
tal
.
T
h
u
s
,
it n
ee
d
s
to
b
e
en
a
b
led
an
d
f
u
lly
d
ef
in
ed
to
clar
if
y
its
o
p
er
atio
n
a
l c
r
iter
ia.
Fig
u
r
e
2
.
Natio
n
al
p
ay
m
e
n
t g
a
tewa
y
with
C
B
B
H
-
f
u
n
ctio
n
al
v
iew
2
.
2
.
E
-
Co
m
m
er
ce
s
it
es
I
n
later
s
tag
es,
C
B
B
H
i
s
p
lan
n
ed
to
en
ab
le
e
-
c
o
m
m
er
ce
s
ites
to
in
teg
r
ate
with
r
eg
is
ter
ed
C
B
B
H
in
a
s
im
p
le
u
n
if
ied
HT
T
P
r
ed
ir
ec
tio
n
m
o
d
el.
T
h
is
will
en
ab
le
cu
s
to
m
er
s
to
o
b
tain
an
ac
tiv
e
b
illi
n
g
n
u
m
b
e
r
at
n
atio
n
al
p
a
y
m
en
t
g
atew
a
y
.
On
ce
th
e
p
a
y
m
en
t
is
m
a
d
e,
C
B
B
H
p
ass
e
s
th
e
p
ay
m
en
t
n
o
tific
atio
n
b
ac
k
to
th
e
e
-
co
m
m
er
ce
b
iller
,
wh
ich
i
n
tu
r
n
,
d
eliv
e
r
s
th
e
s
er
v
ices/g
o
o
d
s
to
th
e
cu
s
to
m
er
.
T
h
is
will
allo
w
cu
s
to
m
er
s
to
s
elec
t
th
eir
p
r
ef
er
r
ed
PS
P
f
r
o
m
with
in
th
e
e
-
co
m
m
er
ce
s
ite,
wh
ich
wo
u
ld
r
esu
lt
in
t
h
e
cu
s
to
m
er
b
e
in
g
d
y
n
am
ically
r
ed
ir
ec
ted
to
th
e
PS
P
p
ay
m
en
t
f
ac
ilit
y
.
On
ce
t
h
e
p
ay
m
e
n
t
is
m
ad
e,
C
B
B
H
p
ass
es
th
e
p
ay
m
en
t
n
o
tific
atio
n
b
ac
k
t
o
th
e
e
-
co
m
m
er
ce
b
iller
,
wh
ich
in
tu
r
n
,
d
e
liv
er
s
th
e
s
er
v
ices/g
o
o
d
s
to
th
e
cu
s
to
m
er
.
C
B
B
H
p
r
o
v
id
es
b
iller
s
with
t
h
e
a
b
ilit
y
to
in
te
g
r
ate
d
ir
ec
tly
with
it
s
co
r
e
p
latf
o
r
m
(
t
h
r
o
u
g
h
I
n
te
g
r
ated
Ser
v
ices)
,
as
well
as
a
B
iller
p
o
r
tal
an
d
an
Op
er
atio
n
s
/Ad
m
in
p
o
r
tal.
T
h
e
f
o
llo
win
g
s
ec
tio
n
s
d
escr
ib
e
th
e
m
ain
f
u
n
ctio
n
a
l
u
s
e
ca
s
es e
n
ab
led
th
r
o
u
g
h
C
B
B
H.
2
.
3
.
I
nte
g
ra
t
ed
s
er
v
ices
T
h
e
two
m
ain
u
s
e
ca
s
es p
r
o
v
i
d
ed
b
y
t
h
e
co
r
e
c
o
m
p
o
n
en
t o
f
C
B
B
H
(
in
teg
r
ated
s
er
v
ices)
ar
e
ca
lled
as
th
e
i
n
q
u
ir
i
n
g
o
f
b
illi
n
g
d
ata
an
d
th
e
d
eliv
e
r
y
o
f
p
a
y
m
en
t
n
o
tific
atio
n
s
.
F
u
r
th
er
d
etails
o
f
th
e
s
e
ca
s
es
ar
e
d
ee
p
ly
p
r
o
n
o
u
n
ce
d
in
th
e
o
p
e
r
atio
n
al
p
er
s
p
ec
tiv
e
s
ec
tio
n
.
E
n
ab
led
b
iller
s
to
ex
p
o
r
t
p
ay
m
e
n
t
n
o
tifi
ca
tio
n
s
d
ata
will
b
e
in
d
if
f
er
en
t
f
o
r
m
ats
(
e.
g
.
XM
L
,
C
VS)
.
Su
ch
n
o
tific
atio
n
s
ar
e
to
v
iew
an
d
ex
p
o
r
t
o
p
e
r
atio
n
r
ep
o
r
ts
,
p
ay
m
en
t
n
o
tific
atio
n
s
,
b
ills
s
tatu
s
es,
an
d
etc.
2
.
4
.
B
iller
po
rt
a
l
I
t
is
k
n
o
wn
th
at
o
n
e
o
f
th
e
ap
p
licatio
n
s
o
f
th
e
i
n
teg
r
ated
s
e
r
v
ices
o
f
C
B
B
H
is
to
en
ab
le
au
to
m
ated
r
etr
iev
al
o
f
b
illi
n
g
d
ata
f
r
o
m
o
n
lin
e
b
iller
s
an
d
th
e
d
eliv
e
r
y
o
f
p
ay
m
en
t
n
o
tific
atio
n
s
t
o
o
n
lin
e
b
iller
s
.
I
n
a
d
d
itio
n
to
th
at,
th
e
B
iller
p
o
r
tal
e
n
ab
le
s
o
f
f
lin
e
b
iller
s
to
m
an
u
ally
u
p
lo
ad
b
illi
n
g
d
ata,
an
d
d
o
wn
lo
a
d
/r
ec
eiv
e
p
ay
m
en
t
n
o
tific
atio
n
s
.
T
ab
le
1
d
ef
in
es t
h
e
m
ain
u
s
e
ca
s
es o
f
th
e
b
iller
p
o
r
tal
.
2
.
5
.
O
ps
/
a
dm
in po
rt
a
l
Awa
y
f
r
o
m
t
h
e
b
iller
p
o
r
tal
,
th
e
Op
s
/Ad
m
in
p
o
r
tal
p
r
o
v
id
es
o
p
er
atio
n
s
an
d
c
u
s
to
m
er
s
u
p
p
o
r
t
p
er
s
o
n
n
el
with
m
o
n
ito
r
in
g
an
d
co
n
tr
o
l
f
ac
ilit
ies
.
Mo
r
eo
v
er
,
it
will
f
ac
ilit
ate
th
e
g
en
er
atio
n
/ex
p
o
r
t
o
f
u
s
ag
e
r
ep
o
r
ts
,
an
d
th
e
h
a
n
d
lin
g
o
f
c
u
s
to
m
er
co
m
p
lain
ts
an
d
in
q
u
i
r
ies.
I
t
also
p
r
o
v
id
es
ad
m
in
is
tr
ato
r
s
with
f
ac
ilit
ie
s
f
o
r
ad
m
in
is
ter
in
g
u
s
er
ac
c
o
u
n
t
,
r
o
le
-
b
ased
p
er
m
is
s
io
n
s
,
an
d
s
y
s
tem
p
ar
am
eter
s
ettin
g
s
.
2
.
6
.
Su
pp
lem
ent
a
ry
f
e
a
t
ures
B
illar
p
o
r
tal
u
s
e
ca
s
es
ar
e
a
n
im
p
o
r
tan
t
co
u
r
s
e
o
f
ap
p
lic
atio
n
s
to
b
e
m
en
tio
n
e
d
,
d
escr
ib
ed
an
d
em
p
h
asized
.
T
h
e
in
clu
d
e
d
ca
s
es
o
f
s
u
ch
an
a
p
p
licatio
n
ar
e
clar
if
ied
b
r
ief
l
y
in
T
ab
le
1
.
T
h
ey
in
clu
d
e
th
e
u
p
lo
ad
b
illi
n
g
d
ata,
d
o
wn
lo
a
d
p
ay
m
e
n
t
n
o
tific
atio
n
s
ex
p
o
r
t
r
e
p
o
r
t
n
o
tific
atio
n
s
,
an
d
f
in
ally
,
th
e
v
i
ew
ac
tiv
ity
lo
g
s
.
On
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
1
6
9
3
-
6
9
3
0
T
E
L
KOM
NI
KA
T
elec
o
m
m
u
n
C
o
m
p
u
t E
l Co
n
tr
o
l
,
Vo
l.
19
,
No
.
1
,
Feb
r
u
ar
y
2
0
2
1
:
3
3
9
-
3
4
8
342
th
e
o
th
er
h
an
d
,
th
e
C
B
B
H
m
ay
co
n
s
titu
te
m
an
y
d
if
f
er
e
n
t
f
ea
t
u
r
es
as
b
asic
to
th
e
s
y
s
tem
.
Fo
l
lo
win
g
th
is
co
n
tex
t,
t
h
e
m
ain
s
u
p
p
lem
e
n
tar
y
f
ea
tu
r
es
th
at
m
ay
b
e
ass
u
m
ed
as f
u
n
d
am
en
tal
an
d
n
ec
ess
ar
y
b
y
t
h
e
C
B
B
H
ar
e:
−
Mu
lti
-
lin
g
u
al
s
u
p
p
o
r
t
−
C
o
n
tex
t
-
s
en
s
itiv
e
h
elp
−
Secu
r
e
co
m
m
u
n
icatio
n
−
L
o
g
g
in
g
an
d
au
d
it tr
ail
−
No
tific
atio
n
d
eliv
er
y
r
e
-
attem
p
ts
−
E
x
ce
p
tio
n
d
etec
tio
n
,
h
an
d
lin
g
,
an
d
r
e
p
o
r
tin
g
−
R
esp
o
n
s
iv
e
web
in
ter
f
ac
e,
to
s
u
p
p
o
r
t d
if
f
e
r
en
t sizes o
f
s
cr
ee
n
s
−
Hig
h
av
ailab
ilit
y
an
d
f
ail
o
v
e
r
/
d
is
aster
r
ec
o
v
er
y
s
ite
s
etu
p
T
ab
le
1
.
B
iller
p
o
r
tal
u
s
e
ca
s
es
U
se
C
a
ses
D
e
scri
p
t
i
o
n
U
p
l
o
a
d
B
i
l
l
i
n
g
D
a
t
a
En
a
b
l
e
s
o
f
f
l
i
n
e
b
i
l
l
e
r
s
t
o
u
p
l
o
a
d
b
a
t
c
h
e
s
o
f
b
i
l
l
i
n
g
d
a
t
a
.
T
h
e
s
e
d
a
t
a
a
r
e
mad
e
a
v
a
i
l
a
b
l
e
f
o
r
c
u
s
t
o
m
e
r
s
t
o
v
i
e
w
a
n
d
p
a
y
f
o
r
t
h
r
o
u
g
h
su
p
p
o
r
t
e
d
e
l
e
c
t
r
o
n
i
c
p
a
y
me
n
t
mea
n
s
(
B
a
n
k
s
a
n
d
P
S
P
’
s)
.
D
o
w
n
l
o
a
d
P
a
y
me
n
t
N
o
t
i
f
i
c
a
t
i
o
n
s
En
a
b
l
e
s
b
i
l
l
e
r
s t
o
e
x
p
o
r
t
p
a
y
m
e
n
t
n
o
t
i
f
i
c
a
t
i
o
n
s
d
a
t
a
i
n
d
i
f
f
e
r
e
n
t
f
o
r
ma
t
s (e
.
g
.
X
M
L,
C
V
S
)
.
V
i
e
w
/
E
x
p
o
r
t
O
p
e
r
a
t
i
o
n
R
e
p
o
r
t
s
En
a
b
l
e
s
b
i
l
l
e
r
s
t
o
v
i
e
w
a
n
d
e
x
p
o
r
t
o
p
e
r
a
t
i
o
n
r
e
p
o
r
t
s,
c
o
n
c
e
r
n
i
n
g
b
i
l
l
i
n
g
d
a
t
a
,
p
a
y
m
e
n
t
n
o
t
i
f
i
c
a
t
i
o
n
s,
b
i
l
l
s st
a
t
u
ses
,
e
t
c
.
V
i
e
w
A
c
t
i
v
i
t
y
L
o
g
s
K
e
e
p
s
t
r
a
c
k
o
f
a
l
l
a
c
t
i
v
i
t
i
e
s
p
e
r
f
o
r
m
e
d
o
n
t
h
e
p
o
r
t
a
l
.
2
.
7
.
I
nitia
l
s
et
o
f
bil
lers
C
B
B
H
will
ev
en
tu
ally
s
u
p
p
o
r
t
all
ty
p
es o
f
b
iller
s
,
in
c
lu
d
in
g
o
n
lin
e
b
iller
s
(
in
b
o
th
“p
u
s
h
”
an
d
“p
u
ll”
m
o
d
e)
an
d
o
f
f
lin
e
b
iller
s
.
T
h
is
p
h
ase
o
f
th
e
p
a
p
er
will
aim
to
lau
n
ch
a
s
o
lu
tio
n
with
p
ilo
t b
iller
s
o
f
ea
ch
ty
p
e.
T
h
r
o
u
g
h
its
b
iller
p
o
r
tal,
C
B
B
H
will a
llo
w
f
o
r
r
ap
id
o
n
b
o
ar
d
in
g
o
f
o
f
f
lin
e
b
iller
s
.
2
.
8
.
A
rc
hite
ct
ura
l
v
iew
T
h
e
clo
u
d
-
b
ased
b
iller
h
u
b
a
r
c
h
itectu
r
e
will
b
e
d
is
cu
s
s
ed
b
y
two
p
er
s
p
ec
tiv
es,
th
e
lo
g
ical
p
er
s
p
ec
tiv
e
an
d
o
p
er
atio
n
al
p
er
s
p
ec
tiv
e
.
T
h
is
will
illu
s
tr
ate
th
e
m
ajo
r
tw
o
m
o
d
es
o
f
o
p
e
r
atio
n
th
e
p
u
ll m
o
d
e
an
d
th
e
p
u
s
h
m
o
d
e.
T
h
e
m
ain
f
ea
tu
r
es will b
e
illu
s
tr
ated
in
th
e
two
f
o
llo
win
g
p
ar
ag
r
ap
h
s
.
2
.
8
.
1
.
L
o
g
ica
l
persp
ec
t
iv
e
T
h
e
lo
g
ical
p
er
s
p
ec
tiv
e
d
escr
ib
es
th
e
in
teg
r
atio
n
o
p
er
atio
n
b
etwe
en
b
iller
s
an
d
th
e
c
u
r
r
e
n
t
p
ay
m
en
t
g
atew
ay
.
T
wo
m
o
d
es,
m
ain
ly
th
e
p
u
s
h
m
o
d
e
an
d
th
e
p
u
ll
m
o
d
e,
ar
e
u
s
ed
to
d
escr
ib
e
s
u
ch
p
er
s
p
ec
tiv
es.
B
o
th
o
f
th
e
m
o
d
es a
r
e
d
escr
ib
e
d
in
t
h
e
n
ex
t su
b
s
ec
tio
n
s
.
a
.
I
n
teg
r
atio
n
with
b
iller
Fig
u
r
e
3
r
e
p
r
esen
ts
th
e
cu
r
r
en
t
s
itu
atio
n
f
r
o
m
an
in
te
g
r
atio
n
p
er
s
p
ec
tiv
e.
I
t
s
h
o
ws
a
l
o
g
ical
d
ep
ictio
n
o
f
th
e
d
ir
ec
t
in
teg
r
atio
n
b
etw
ee
n
th
e
n
atio
n
al
p
a
y
m
en
t
g
atew
ay
an
d
a
g
iv
e
n
b
iller
(
B
iller
X)
.
On
lin
e
b
iller
s
wo
u
ld
b
e
in
teg
r
ated
with
th
e
n
atio
n
al
p
ay
m
e
n
t
g
atew
ay
eit
h
e
r
in
a
Pu
s
h
m
o
d
e
o
r
i
n
Pu
ll
m
o
d
e.
I
n
p
u
s
h
m
o
d
e,
th
e
b
iller
wo
u
ld
b
e
ex
p
ec
ted
to
u
p
lo
ad
b
illi
n
g
d
ata
to
n
atio
n
al
p
ay
m
en
t
g
atew
ay
u
s
in
g
d
if
f
er
en
t
m
ea
n
s
(
s
u
ch
as
FTP,
o
r
a
web
s
er
v
ice
ex
p
o
s
e
d
b
y
n
atio
n
al
p
ay
m
e
n
t
g
atew
a
y
)
.
On
th
e
o
t
h
er
h
a
n
d
,
in
p
u
ll
m
o
d
e,
th
e
n
atio
n
al
p
ay
m
en
t
g
atew
ay
wo
u
ld
b
e
ex
p
ec
ted
to
r
etr
iev
e
b
illi
n
g
d
ata
o
n
d
em
an
d
,
b
y
ca
llin
g
a
web
s
er
v
ice
ex
p
o
s
ed
b
y
th
e
b
iller
(
b
illi
n
g
s
er
v
ice)
.
Fig
u
r
e
3
.
Natio
n
al
p
ay
m
e
n
t
g
a
tewa
y
I
n
teg
r
atio
n
with
b
iller
s
Evaluation Warning : The document was created with Spire.PDF for Python.
T
E
L
KOM
NI
KA
T
elec
o
m
m
u
n
C
o
m
p
u
t E
l Co
n
tr
o
l
A
p
r
o
p
o
s
ed
clo
u
d
-
b
a
s
ed
b
iller
s
h
u
b
u
s
in
g
s
ec
u
r
ed
e
-
p
a
yme
n
ts
s
yste
m
(
B
ela
l A
yy
o
u
b
)
343
b
.
I
n
te
g
r
atio
n
with
n
atio
n
al
p
ay
m
en
t g
atew
ay
W
ith
C
B
B
H,
n
atio
n
al
p
ay
m
en
t
g
atew
ay
will
co
n
tin
u
e
to
f
ac
i
litate
p
ay
m
en
ts
th
r
o
u
g
h
v
ar
io
u
s
ch
an
n
els
to
th
e
g
r
o
win
g
n
u
m
b
e
r
o
f
b
iller
s
an
d
s
m
all
b
iller
s
with
o
u
t
ca
u
s
in
g
an
y
m
ajo
r
d
is
r
u
p
tio
n
to
th
e
e
x
is
tin
g
in
teg
r
atio
n
ap
p
r
o
ac
h
.
C
B
B
H
will
ac
t
as
a
b
iller
a
g
g
r
eg
at
o
r
,
an
d
will
h
en
ce
tak
e
ca
r
e
t
h
e
te
ch
n
ical
o
n
b
o
a
r
d
in
g
o
f
n
ew
b
iller
s
(
th
r
o
u
g
h
a
p
r
o
p
o
s
ed
s
et
o
f
m
a
n
ag
em
e
n
t
co
m
m
an
d
s
)
,
as
well
as
r
etr
iev
i
n
g
b
illi
n
g
d
ata
an
d
d
is
p
atch
in
g
p
ay
m
en
t
n
o
tific
atio
n
s
(
th
r
o
u
g
h
th
e
b
illi
n
g
an
d
p
a
y
m
en
t
n
o
tific
atio
n
s
s
er
v
ices)
[
2
1
-
2
5
]
.
C
B
B
H
also
en
ab
les
s
m
all
b
iller
s
to
u
p
lo
ad
b
ill
in
g
d
ata
an
d
ex
p
o
r
t
p
ay
m
e
n
t
n
o
tific
atio
n
d
ata
th
r
o
u
g
h
th
e
B
iller
Po
r
tal.
T
h
is
is
clar
if
ied
p
icto
r
ially
as sh
o
w
n
in
Fig
u
r
e
4
.
Fig
u
r
e
4
.
I
n
teg
r
atio
n
with
B
iller
s
th
r
o
u
g
h
C
B
B
H
2
.
8
.
2
.
O
pera
t
io
na
l per
s
pect
iv
e
C
B
B
H
i
s
co
n
ce
r
n
ed
with
a
n
u
m
b
er
o
f
p
r
o
ce
s
s
es
.
As
an
ex
am
p
le,
th
e
tech
n
ical
o
n
-
b
o
ar
d
in
g
o
f
b
iller
s
,
in
q
u
ir
y
/r
etr
ie
v
al
o
f
b
illi
n
g
d
a
ta
f
r
o
m
b
iller
s
,
an
d
th
e
d
eliv
er
y
o
f
p
a
y
m
en
t
n
o
tific
atio
n
d
ata
to
b
iller
s
,
ar
e
co
n
s
id
er
ed
as p
a
r
t o
f
th
e
m
o
s
t im
p
o
r
tan
t
p
r
o
ce
s
s
es.
No
n
e
th
e
less
,
g
en
er
atin
g
a
n
d
e
x
p
o
r
tin
g
b
o
th
tr
a
n
s
ac
tio
n
al
an
d
s
tatis
tica
l
r
ep
o
r
ts
is
al
s
o
c
o
n
s
id
er
ed
u
n
d
er
th
e
m
ain
d
u
ti
es
o
f
C
B
B
H
.
T
h
e
f
o
llo
win
g
s
ec
tio
n
s
d
escr
ib
e
th
e
m
ain
f
o
ca
l p
r
o
ce
s
s
es
.
a
.
I
n
q
u
ir
in
g
o
f
b
illi
n
g
d
ata
C
B
B
H
f
ac
ilit
ates
th
e
r
etr
iev
al
o
f
b
illi
n
g
d
ata
s
o
th
at
cu
s
to
m
er
s
ca
n
p
ay
th
eir
d
u
e
p
ay
m
en
t
s
th
r
o
u
g
h
th
e
v
ar
io
u
s
p
a
y
m
en
t
ch
a
n
n
el
s
p
r
o
v
id
ed
b
y
n
ati
o
n
al
p
ay
m
en
t
g
atew
ay
.
Fig
u
r
e
5
illu
s
tr
ates
th
e
b
illi
n
g
d
ata
in
q
u
ir
y
p
r
o
ce
s
s
.
−
T
h
e
o
p
e
r
atio
n
s
/s
ales
p
er
s
o
n
n
el
co
m
p
lete
th
e
r
eg
is
tr
atio
n
a
n
d
o
n
b
o
a
r
d
in
g
o
f
th
e
b
iller
th
r
o
u
g
h
th
e
C
B
B
H’
s
o
p
er
atio
n
s
p
o
r
tal.
−
T
h
e
n
ew
b
iller
is
ac
tiv
ate
d
f
o
r
n
atio
n
al
p
ay
m
e
n
t
g
atew
ay
.
C
o
n
s
eq
u
en
tly
,
th
e
b
iller
b
ec
o
m
es
v
is
ib
le
(
an
d
its
b
illi
n
g
d
ata
b
ec
o
m
es
ac
ce
s
s
ib
le)
alth
o
u
g
h
th
e
v
ar
i
o
u
s
p
ay
m
en
t
ch
an
n
els
s
u
p
p
o
r
ted
b
y
n
a
tio
n
al
p
ay
m
en
t
g
atew
ay
.
−
W
h
en
attem
p
tin
g
to
p
ay
,
th
e
cu
s
to
m
er
in
q
u
ir
ies
ab
o
u
t
th
e
b
ills
an
d
d
u
e
p
ay
m
en
ts
b
y
en
ter
in
g
r
elev
an
t
d
ata
r
etr
iev
al
k
e
y
s
(
e.
g
.
p
h
o
n
e
o
r
m
eter
n
u
m
b
er
an
d
b
illi
n
g
p
er
io
d
)
.
−
N
atio
n
al
p
ay
m
en
t
g
atew
ay
s
e
n
d
s
a
b
ill
in
q
u
ir
y
r
eq
u
est
to
C
B
B
H.
T
h
e
r
eq
u
est
w
o
u
ld
em
b
ed
th
e
b
iller
I
d
alo
n
g
with
th
e
d
ata
r
etr
iev
al
k
ey
s
.
−
B
ased
o
n
th
e
b
iller
’
s
in
teg
r
ati
o
n
m
o
d
e
(
p
u
ll
o
r
p
u
s
h
)
,
C
B
B
H
wo
u
ld
eith
er
d
is
p
atch
th
e
r
eq
u
est
to
th
e
co
n
ce
r
n
e
d
b
iller
o
r
r
etu
r
n
th
e
b
illi
n
g
d
ata
d
ir
ec
tly
f
r
o
m
with
in
C
B
B
H’
s
s
ec
u
r
e
d
ata
s
to
r
e.
−
I
n
ca
s
e
th
e
b
iller
is
in
teg
r
ated
with
C
B
B
H
ac
co
r
d
in
g
to
th
e
p
u
ll
m
o
d
e,
C
B
B
H
wo
u
ld
s
u
b
m
it
th
e
b
illi
n
g
da
ta
in
q
u
ir
y
to
th
e
b
illi
n
g
s
er
v
ice
ex
p
o
s
ed
b
y
th
e
c
o
n
ce
r
n
ed
b
iller
.
−
C
B
B
H
r
etu
r
n
s
co
r
r
esp
o
n
d
in
g
b
iller
d
ata
to
n
atio
n
al
p
ay
m
e
n
t
g
atew
ay
,
wh
ich
in
tu
r
n
d
el
iv
er
s
it
to
th
e
cu
s
to
m
er
th
r
o
u
g
h
th
e
p
a
y
m
en
t
ch
an
n
el.
b
.
Deliv
er
y
o
f
p
ay
m
en
t
n
o
tifi
ca
tio
n
s
On
ce
b
illi
n
g
d
ata
is
r
etr
iev
ed
th
r
o
u
g
h
C
B
B
H,
an
d
th
e
d
u
e
am
o
u
n
t
is
p
aid
th
r
o
u
g
h
o
n
e
o
f
th
e
PS
P’s
s
u
p
p
o
r
ted
b
y
n
atio
n
al
p
ay
m
e
n
t
g
atew
ay
,
th
e
b
iller
is
e
v
en
tu
al
ly
n
o
tifie
d
.
C
o
n
s
eq
u
en
tly
,
th
e
b
iller
wo
u
ld
r
ef
lect
th
e
p
ay
m
en
t
d
ata
o
n
to
th
eir
f
i
n
an
cial
r
ec
o
r
d
s
an
d
wo
u
l
d
d
eliv
er
th
e
s
er
v
ice
o
r
co
m
m
o
d
ity
th
at
h
as
b
ee
n
p
aid
f
o
r
.
Fig
u
r
e
6
illu
s
tr
ates
th
e
p
ay
m
en
t
n
o
tific
atio
n
d
eliv
e
r
y
p
r
o
ce
s
s
.
No
tice
th
at
s
m
all
b
iller
s
ar
e
ty
p
ically
n
o
t
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
1
6
9
3
-
6
9
3
0
T
E
L
KOM
NI
KA
T
elec
o
m
m
u
n
C
o
m
p
u
t E
l Co
n
tr
o
l
,
Vo
l.
19
,
No
.
1
,
Feb
r
u
ar
y
2
0
2
1
:
3
3
9
-
3
4
8
344
r
ea
d
y
f
o
r
d
ir
ec
t
tech
n
ical
in
te
g
r
atio
n
,
an
d
th
er
ef
o
r
e
ac
ce
s
s
p
ay
m
en
t
n
o
tific
atio
n
d
ata
th
r
o
u
g
h
C
B
B
H’
s
B
il
ler
Po
r
tal
o
r
th
r
o
u
g
h
o
th
er
p
r
o
v
i
s
io
n
ed
m
ea
n
s
s
u
ch
as
a
m
er
c
h
an
t’
s
m
o
b
ile
p
a
y
m
en
t
ap
p
.
C
B
B
H
ca
n
also
b
e
o
p
tio
n
ally
s
et
to
s
en
d
p
ay
m
e
n
t
n
o
tific
atio
n
s
th
r
o
u
g
h
co
n
v
en
t
io
n
al
elec
tr
o
n
ic
m
ea
n
s
,
s
u
ch
a
s
em
ail
an
d
SMS.
Fig
u
r
e
5
.
B
illi
n
g
d
ata
in
q
u
ir
y
–
f
lo
w
Fig
u
r
e
6
.
Pay
m
e
n
t
n
o
tific
atio
n
d
ata
d
eliv
er
y
–
f
l
o
w
2
.
8
.
3
.
P
hy
s
ica
l
persp
ec
t
iv
e
Ph
y
s
ical
p
er
s
p
ec
tiv
e
in
th
is
co
n
tex
t
m
ea
n
s
two
m
ajo
r
cr
itical
is
s
u
es.
T
h
ese
two
is
s
u
es
ar
e
th
e
d
ep
lo
y
m
e
n
t a
n
d
h
ig
h
a
v
ailab
ilit
y
with
d
is
aster
r
ec
o
v
er
y
.
T
h
e
later
is
s
u
e
is
u
s
ed
in
ca
s
e
a
s
e
r
v
ice
f
r
am
ewo
r
k
is
d
esig
n
ed
to
m
ee
t th
e
d
em
an
d
s
o
f
en
ter
p
r
is
es to
b
r
in
g
r
esil
ien
cy
to
b
u
s
in
ess
m
o
d
els
.
Su
ch
r
esil
ien
cy
ac
t w
o
u
ld
de
liv
er
u
n
i
n
ter
r
u
p
ted
s
er
v
ices,
o
r
a
n
o
n
-
s
to
p
s
er
v
ice
to
th
e
C
B
B
H
s
y
s
tem
.
a
.
Dep
lo
y
m
e
n
t
We
ar
e
willin
g
to
ac
c
o
m
m
o
d
a
te
an
y
r
eg
u
latio
n
s
th
at
m
a
y
f
a
v
o
r
o
r
r
estrict
th
e
d
e
p
lo
y
m
e
n
t
o
f
C
B
B
H
in
a
g
iv
en
en
v
ir
o
n
m
en
t,
as
lo
n
g
as
th
e
s
ca
lab
ili
ty
an
d
r
eliab
ilit
y
r
eq
u
ir
em
en
ts
ar
e
m
et.
Nev
er
th
eless
,
th
e
h
o
s
tin
g
o
f
C
B
B
H
d
u
r
in
g
th
e
ea
r
ly
s
tag
es
o
f
o
p
e
r
atio
n
s
will
b
e
a
t
a
lo
ca
l
clo
u
d
-
b
ased
d
ata
c
en
ter
th
at
p
r
o
v
id
es
on
-
d
em
a
n
d
i
n
f
r
astru
ctu
r
e
as
a
s
er
v
ice
(
I
aa
S
)
s
u
ch
as
VT
E
L
.
I
t
is
wo
r
th
wh
ile
co
n
s
id
er
i
n
g
m
o
v
in
g
th
e
v
ir
t
u
al
s
etu
p
to
d
ata
ce
n
ter
s
as th
e
n
u
m
b
er
o
f
b
iller
s
in
cr
ea
s
e.
b
.
Hig
h
a
v
ailab
il
ity
an
d
d
is
aster
r
ec
o
v
e
r
y
T
ec
h
n
ically
s
p
ea
k
in
g
,
C
B
B
H
ca
n
b
e
d
e
p
lo
y
e
d
in
an
y
r
eliab
le
an
d
s
ca
lab
le
en
v
ir
o
n
m
e
n
t.
T
o
en
s
u
r
e
b
u
s
in
ess
co
n
tin
u
ity
,
th
e
d
ep
l
o
y
m
en
t
s
etu
p
m
u
s
t
also
ac
co
u
n
t
f
o
r
d
is
aster
r
ec
o
v
e
r
y
(
D
R
)
,
wh
ich
co
u
ld
b
e
clo
u
d
-
b
ased
.
Data
s
h
o
u
ld
b
e
r
ep
licated
in
n
ea
r
r
ea
l
-
tim
e
s
o
th
at
f
ailo
v
er
ca
n
h
ap
p
en
with
in
a
m
atter
o
f
m
in
u
tes.
DR
will
b
e
ac
tiv
e/st
an
d
b
y
d
u
r
in
g
im
p
lem
e
n
tatio
n
Ph
ase
I
.
I
t
will
b
e
tr
a
n
s
f
o
r
m
e
d
to
Activ
e
/Activ
e
in
Ph
ase
I
I
.
As d
ep
icted
in
F
ig
u
r
e
7
,
C
B
B
H
will b
e
co
n
n
ec
ted
with
n
ati
o
n
al
p
a
y
m
en
t
g
atew
ay
o
v
er
r
e
d
u
n
d
a
n
t c
o
n
n
ec
tio
n
s
(
m
ain
an
d
b
ac
k
u
p
)
th
r
o
u
g
h
two
d
if
f
er
en
t
p
r
o
v
id
er
s
.
To
in
cr
ea
s
e
th
e
r
eliab
ilit
y
an
d
s
ca
lab
ilit
y
o
f
th
e
co
n
n
ec
tio
n
s
,
th
e
y
s
h
all
s
u
p
p
o
r
t
m
u
lti
-
p
r
o
to
c
o
l la
b
el
s
witc
h
in
g
(
MPL
S).
Evaluation Warning : The document was created with Spire.PDF for Python.
T
E
L
KOM
NI
KA
T
elec
o
m
m
u
n
C
o
m
p
u
t E
l Co
n
tr
o
l
A
p
r
o
p
o
s
ed
clo
u
d
-
b
a
s
ed
b
iller
s
h
u
b
u
s
in
g
s
ec
u
r
ed
e
-
p
a
yme
n
ts
s
yste
m
(
B
ela
l A
yy
o
u
b
)
345
Fig
u
r
e
7
.
R
ed
u
n
d
an
t
b
ac
k
u
p
c
o
n
n
ec
tio
n
s
2
.
8
.
4
.
O
t
her
q
ua
lity
a
t
t
ribute
s
Ma
n
y
attr
ib
u
tes ar
e
wo
r
th
o
f
c
lar
if
y
in
g
a
n
d
e
x
p
lain
in
g
.
T
h
e
m
o
s
t im
p
o
r
tan
t
to
illu
s
tr
ate
ar
e
r
elate
d
to
s
ec
u
r
ity
,
p
er
f
o
r
m
a
n
ce
an
d
a
u
d
it
t
r
ail
.
T
h
e
a
u
d
it
tr
ail
m
u
s
t
b
e
s
u
p
p
o
r
ted
b
y
s
u
f
f
icien
t
d
o
cu
m
en
tatio
n
to
f
o
llo
w
a
tr
an
s
ac
tio
n
f
r
o
m
b
e
g
i
n
n
in
g
t
o
en
d
.
T
h
e
u
s
er
s
h
o
u
ld
m
ai
n
ta
in
an
ad
e
q
u
ate
au
d
it tr
ail
o
f
all
tr
an
s
ac
tio
n
s
.
a
.
Secu
r
ity
Secu
r
e
elec
tr
o
n
ic
tr
a
n
s
ac
tio
n
was
an
ea
r
ly
co
m
m
u
n
icatio
n
s
p
r
o
to
co
l
u
s
ed
b
y
e
-
co
m
m
er
ce
web
s
ites
to
s
ec
u
r
e
elec
tr
o
n
ic
p
ay
m
en
ts
.
Secu
r
e
elec
tr
o
n
ic
tr
an
s
ac
tio
n
was
u
s
ed
to
f
ac
ilit
ate
th
e
s
ec
u
r
e
tr
an
s
m
is
s
io
n
o
f
co
n
s
u
m
er
ca
r
d
in
f
o
r
m
atio
n
v
i
a
elec
tr
o
n
ic
p
o
r
tals
o
n
t
h
e
I
n
ter
n
et.
T
h
i
s
will
p
r
ev
e
n
t
h
ac
k
er
s
,
an
d
elec
tr
o
n
ic
th
iev
es
f
r
o
m
ac
ce
s
s
in
g
c
o
n
s
u
m
er
in
f
o
r
m
atio
n
.
T
h
e
C
lo
u
d
b
ase
b
iller
h
u
b
c
o
m
m
u
n
ic
atio
n
w
ith
n
atio
n
al
p
ay
m
en
t
g
atew
ay
a
n
d
b
iller
s
will
b
e
s
ec
u
r
ed
t
o
en
s
u
r
e
th
e
p
r
iv
ac
y
o
f
c
o
n
f
i
d
en
tial
d
ata,
a
u
th
en
ticatio
n
,
n
o
n
-
r
ep
u
d
iatio
n
an
d
,
d
ata
in
teg
r
ity
.
1)
C
B
B
H
an
d
n
atio
n
al
p
ay
m
e
n
t g
atew
ay
T
o
u
g
h
e
n
ed
r
e
q
u
ir
em
e
n
ts
to
b
an
k
s
o
n
p
r
o
tectio
n
o
f
m
ea
n
s
o
f
clien
ts
ag
ain
s
t
cy
b
er
cr
im
in
al
s
,
f
o
llo
ws
f
r
o
m
n
ew
p
r
o
v
is
io
n
o
f
t
h
e
C
en
tr
al
B
an
k
.
T
h
e
C
en
tr
al
B
an
k
in
tr
o
d
u
ce
s
n
ew
r
eq
u
ir
em
en
ts
t
o
cy
b
e
r
s
ec
u
r
ity
o
f
b
r
o
k
er
s
.
C
lo
u
d
b
iller
b
ase
h
u
b
s
o
lu
tio
n
will
co
m
p
ly
with
t
h
e
s
ec
u
r
ity
r
eq
u
ir
e
m
en
ts
im
p
o
s
ed
b
y
th
e
C
en
tr
al
B
an
k
f
o
r
C
lo
u
d
Ser
v
ice
Pro
v
i
d
er
s
.
2
)
C
B
B
H
an
d
B
iller
s
T
h
e
f
o
l
l
o
w
i
n
g
s
e
c
u
r
i
t
y
m
et
h
o
d
s
w
il
l
b
e
a
p
p
li
e
d
t
o
s
e
c
u
r
e
t
h
e
co
m
m
u
n
i
c
a
t
i
o
n
b
e
t
w
ee
n
C
B
B
H
a
n
d
b
i
l
l
e
r
s
:
−
Secu
r
in
g
co
n
n
ec
tio
n
s
u
s
in
g
T
L
S.
T
h
is
will
in
v
o
lv
e
ex
ch
an
g
in
g
ce
r
tific
ates
with
b
iller
s
as
p
ar
t
o
f
th
e
o
f
f
i
cial
b
iller
o
n
b
o
ar
d
in
g
p
r
o
c
ess
.
−
Ap
p
ly
in
g
a
d
d
itio
n
al
e
n
d
-
to
-
en
d
m
ess
ag
e
-
lev
el
en
cr
y
p
tio
n
f
o
r
s
en
s
itiv
e
d
ata
as n
ee
d
ed
.
−
Ap
p
ly
in
g
n
o
n
-
r
ep
u
d
iatio
n
m
e
ch
an
is
m
s
u
s
in
g
m
ess
ag
e
d
ig
est alg
o
r
ith
m
s
s
u
ch
as SHA
2
5
6
.
Ded
icate
d
lin
k
s
b
etwe
en
all
s
ites
ar
e
r
ec
o
m
m
en
d
ed
t
o
ac
h
i
ev
e
m
ax
s
ec
u
r
ity
.
Ho
wev
e
r
,
i
t
h
as
an
im
p
ac
t
o
n
o
p
er
atio
n
s
co
s
t to
m
ai
n
tain
h
i
g
h
av
ailab
ilit
y
.
Sit
e
-
to
-
s
ite
VPN
is
an
alter
n
ativ
e
way
f
o
r
co
n
n
ec
tiv
ity
.
b
.
Per
f
o
r
m
an
ce
I
n
th
e
ca
s
e
o
f
elec
tr
o
n
ic
p
a
y
m
en
t
(
T
r
an
s
ac
tio
n
s
)
,
m
o
r
e
co
m
p
lex
p
er
f
o
r
m
an
ce
m
o
n
ito
r
i
n
g
is
n
ee
d
ed
.
,
t
h
e
co
n
tin
u
o
u
s
m
o
n
ito
r
i
n
g
a
n
d
th
e
s
ca
lab
le
n
at
u
r
e
o
f
th
e
v
ir
t
u
alize
d
clo
u
d
-
b
ased
e
n
v
ir
o
n
m
e
n
t
will
b
e
d
e
p
lo
y
e
d
to
o
f
f
er
tim
ely
,
ad
a
p
tab
ilit
y
an
d
co
n
s
is
ten
t
p
er
f
o
r
m
an
ce
.
F
u
r
t
h
er
ev
alu
atio
n
an
d
r
ef
in
e
m
en
t w
ill
b
e
p
er
f
o
r
m
ed
an
d
will
m
o
s
tly
f
o
c
u
s
o
n
r
eso
l
v
in
g
is
s
u
es
an
d
o
p
tim
izin
g
b
iller
o
n
b
o
a
r
d
in
g
an
d
o
p
er
atio
n
s
.
E
v
en
tu
ally
,
af
ter
co
n
d
u
ctin
g
o
p
er
atio
n
s
an
d
a
d
m
in
is
tr
atio
n
tr
ain
i
n
g
,
C
B
B
H
will
g
o
liv
e
at
f
u
ll
s
ca
le,
s
u
p
p
o
r
ted
b
y
clo
s
e
m
o
n
ito
r
in
g
an
d
cu
s
to
m
er
s
u
p
p
o
r
t
c
.
L
o
g
g
in
g
a
n
d
au
d
it tr
ail
C
B
B
H
will
lo
g
an
d
k
ee
p
tr
ac
k
o
f
all
ac
tio
n
s
p
e
r
f
o
r
m
ed
o
n
o
r
th
r
o
u
g
h
it.
T
h
is
in
cl
u
d
es
all
tr
an
s
ac
tio
n
s
d
ata
(
an
d
in
p
ar
ticu
lar
,
f
in
a
n
ci
al
r
ec
o
r
d
s
p
er
tain
in
g
to
p
ay
m
e
n
t
n
o
tific
atio
n
s
)
,
as
well
as
ad
m
in
is
tr
ativ
e
ac
tio
n
p
er
f
o
r
m
ed
th
r
o
u
g
h
th
e
s
ales/ad
m
in
p
o
r
tal,
an
d
d
ata
im
p
o
r
t
an
d
ex
p
o
r
t
ac
tio
n
s
p
er
f
o
r
m
ed
b
y
s
m
all
b
iller
s
th
r
o
u
g
h
th
e
b
iller
p
o
r
tal.
L
o
g
g
in
g
a
n
d
a
r
ch
iv
in
g
will
b
e
im
p
lem
en
ted
in
ac
co
r
d
an
ce
with
th
e
r
e
g
u
latio
n
s
an
d
d
u
r
atio
n
s
s
p
ec
if
ied
b
y
C
B
J
in
th
e
r
ef
er
en
ce
d
p
a
p
er
s
.
2
.
9
.
M
a
inte
na
nce
& Sup
po
r
t
Fu
ll r
esp
o
n
s
ib
ilit
y
f
o
r
all
r
e
q
u
i
r
ed
m
ain
ten
a
n
ce
&
s
u
p
p
o
r
t a
ct
iv
ities
,
in
clu
d
in
g
:
−
C
o
n
tin
u
o
u
s
m
o
n
ito
r
in
g
o
f
o
v
er
all
s
y
s
tem
p
er
f
o
r
m
a
n
ce
to
id
e
n
tify
p
o
s
s
ib
le
b
o
ttlen
ec
k
s
a
n
d
in
ter
v
en
e
wh
e
n
n
ee
d
ed
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
1
6
9
3
-
6
9
3
0
T
E
L
KOM
NI
KA
T
elec
o
m
m
u
n
C
o
m
p
u
t E
l Co
n
tr
o
l
,
Vo
l.
19
,
No
.
1
,
Feb
r
u
ar
y
2
0
2
1
:
3
3
9
-
3
4
8
346
−
R
eg
u
lar
r
ev
iews o
f
s
y
s
tem
lo
g
s
to
id
en
tify
p
o
s
s
ib
le
is
s
u
es a
n
d
in
ter
v
en
e
as n
ee
d
ed
.
−
An
aly
s
is
o
f
is
s
u
es
an
d
b
u
g
s
th
at
m
ay
b
e
o
b
s
er
v
ed
o
r
r
e
p
o
r
te
d
b
y
o
p
er
atio
n
p
er
s
o
n
n
el,
a
n
d
r
eso
lv
in
g
t
h
em
in
a
tim
ely
m
an
n
er
,
b
ased
o
n
t
h
eir
lev
el
o
f
s
ev
er
ity
as in
T
ab
le
2
.
T
ab
le
2
.
Ma
in
ten
a
n
ce
a
n
d
s
u
p
p
o
r
t iss
u
es
S
e
v
e
r
i
t
y
L
e
v
e
l
D
e
scri
p
t
i
o
n
S
LA
C
r
i
t
i
c
a
l
I
ssu
e
s
t
h
a
t
s
u
s
p
e
n
d
b
u
s
i
n
e
ss
o
p
e
r
a
t
i
o
n
,
o
r
e
n
d
a
n
g
e
r
s
d
a
t
a
i
n
t
e
g
r
i
t
y
.
F
o
r
e
x
a
mp
l
e
:
A
sy
st
e
m
-
w
i
d
e
f
a
i
l
u
r
e
(
S
o
f
t
w
a
r
e
,
H
a
r
d
w
a
r
e
o
r
N
e
t
w
o
r
k
)
I
n
t
e
r
v
e
n
t
i
o
n
w
i
t
h
i
n
2
h
o
u
r
s
R
e
s
o
l
u
t
i
o
n
w
i
t
h
i
n
2
4
h
o
u
r
s
H
i
g
h
I
ssu
e
s
t
h
a
t
h
i
g
h
l
y
i
mp
e
d
e
b
u
si
n
e
ss
o
p
e
r
a
t
i
o
n
s.
F
o
r
e
x
a
m
p
l
e
:
N
e
t
w
o
r
k
o
r
H
a
r
d
w
a
r
e
f
a
i
l
u
r
e
a
f
f
e
c
t
i
n
g
m
u
l
t
i
p
l
e
ser
v
i
c
e
/
p
a
r
t
i
c
i
p
a
n
t
s
I
n
t
e
r
v
e
n
t
i
o
n
w
i
t
h
i
n
2
4
h
o
u
r
s
R
e
s
o
l
u
t
i
o
n
w
i
t
h
i
n
4
8
h
o
u
r
s
I
n
t
e
r
med
i
a
t
e
I
ssu
e
s
t
h
a
t
i
n
t
e
r
m
i
t
t
e
n
t
l
y
i
m
p
e
d
e
b
u
s
i
n
e
ss
o
p
e
r
a
t
i
o
n
s.
F
o
r
e
x
a
m
p
l
e
:
N
e
t
w
o
r
k
o
r
H
a
r
d
w
a
r
e
f
a
i
l
u
r
e
a
f
f
e
c
t
i
n
g
s
i
n
g
l
e
s
e
r
v
i
c
e
/
p
a
r
t
i
c
i
p
a
n
t
I
n
t
e
r
v
e
n
t
i
o
n
w
i
t
h
i
n
4
8
h
o
u
r
s
R
e
s
o
l
u
t
i
o
n
w
i
t
h
i
n
3
d
a
y
s
Lo
w
I
ssu
e
s
t
h
a
t
h
a
v
e
n
o
i
m
p
a
c
t
o
n
b
u
s
i
n
e
ss
c
o
n
t
i
n
u
i
t
y
a
n
d
d
a
t
a
i
n
t
e
g
r
i
t
y
.
F
o
r
e
x
a
mp
l
e
:
I
ssu
e
s
w
i
t
h
B
i
l
l
s
R
e
p
o
r
t
s
,
C
u
st
o
mer
P
r
o
f
i
l
e
,
S
y
s
t
e
m
L
o
g
s
a
n
d
Tr
a
n
sa
c
t
i
o
n
l
o
g
s
R
e
p
o
r
t
s
I
n
t
e
r
v
e
n
t
i
o
n
w
i
t
h
i
n
1
w
e
e
k
R
e
s
o
l
u
t
i
o
n
w
i
t
h
i
n
3
w
e
e
k
s
3.
I
M
P
L
E
M
E
NT
A
T
I
O
N
AP
P
RO
ACH
T
h
e
im
p
lem
en
tatio
n
o
f
C
B
B
H
will
f
o
llo
w
an
iter
ativ
e
in
cr
em
en
tal
ap
p
r
o
ac
h
th
at
will
in
v
o
lv
e
m
u
ltip
le
p
ar
allel
wo
r
k
s
tr
ea
m
s
.
Up
o
n
p
ap
er
s
tar
t,
r
eq
u
ir
em
e
n
ts
will
b
e
r
ev
is
ited
,
f
u
r
th
er
an
aly
ze
d
,
a
n
d
d
etailed
/r
e
f
in
ed
as
n
ee
d
ed
.
Af
ter
th
e
s
ig
n
-
o
f
f
o
f
th
e
r
e
q
u
ir
e
m
e
n
ts
,
d
etailed
b
lu
ep
r
in
ts
will
b
e
p
r
o
d
u
ce
d
,
f
o
llo
wed
b
y
t
h
e
k
ick
o
f
f
o
f
m
ain
wo
r
k
s
tr
ea
m
s
;
C
B
B
H
C
o
r
e,
Op
s
/Ad
m
in
Po
r
tal,
an
d
B
iller
Po
r
tal.
Du
r
in
g
t
h
is
tim
e,
We
will
wo
r
k
with
p
ilo
t
b
iller
s
o
f
d
if
f
er
en
t
ty
p
es
(
i.e
.
“p
u
ll”
an
d
“
p
u
s
h
”
in
teg
r
ated
b
iller
s
,
as
well
as
s
m
all
b
iller
s
)
.
Af
ter
th
o
r
o
u
g
h
test
in
g
,
C
B
B
H
will
b
e
s
o
f
t
-
lau
n
c
h
ed
with
th
e
p
ilo
t
b
iller
s
o
n
ly
.
4.
WO
RK
B
RE
AK
DO
WN
S
T
RUCTU
RE
T
ab
le
3
illu
s
tr
ate
s
th
e
wo
r
k
b
r
ea
k
d
o
w
n
s
tr
u
ctu
r
e
th
at
p
r
o
v
id
es
a
h
ig
h
-
lev
el
v
iew
o
f
th
e
W
o
r
k
b
r
ea
k
d
o
wn
s
tr
u
ctu
r
e.
T
h
ey
we
r
e
s
u
b
d
i
v
id
ed
in
to
th
r
ee
m
ain
lev
els
lev
el
o
n
e
,
two
an
d
th
r
ee
.
E
ac
h
o
n
e
o
f
th
em
wer
e
d
escr
ib
ed
b
y
t
h
eir
r
elev
a
n
ce
an
d
im
p
o
r
tan
ce
ac
c
o
r
d
in
g
to
th
e
co
n
tex
t
o
f
o
p
e
r
atio
n
.
T
h
e
m
ain
p
ar
am
te
r
s
of
lev
el
1
ar
e
g
iv
en
as
in
s
p
ec
tio
n
,
elab
o
r
atio
n
,
co
n
s
tr
u
ctio
n
,
an
d
tr
an
s
itio
n
,
r
esp
ec
tiv
ely
.
T
h
e
o
t
h
er
lev
els
ar
e
as d
escr
ib
ed
in
T
ab
le
3
.
T
ab
le
3
.
W
o
r
k
B
r
ea
k
d
o
wn
Stru
ctu
r
e
(
W
B
S)
H
i
g
h
-
Le
v
e
l
C
B
B
H
I
mp
l
e
m
e
n
t
a
t
i
o
n
W
B
H
Le
v
e
l
1
Le
v
e
l
2
Le
v
e
l
3
I
n
sp
e
c
t
i
o
n
R
e
q
u
i
r
e
me
n
t
s A
n
a
l
y
s
i
s
A
g
r
e
e
m
e
n
t
w
i
t
h
P
i
l
o
t
B
i
l
l
e
r
s
S
p
e
c
i
f
i
c
a
t
i
o
n
o
f
S
o
f
t
w
a
r
e
r
e
q
u
i
r
e
m
e
n
t
s
El
a
b
o
r
a
t
i
o
n
B
a
se
l
i
n
e
A
r
c
h
i
t
e
c
t
u
r
e
B
l
u
e
p
r
i
n
t
s
S
p
e
c
i
f
i
c
a
t
i
o
n
o
f
S
o
f
t
w
a
r
e
A
r
c
h
i
t
e
c
t
u
r
e
I
n
t
e
g
r
a
t
i
o
n
s
p
e
c
i
f
i
c
a
t
i
o
n
s
.
C
B
B
H
C
o
r
e
C
B
B
H
P
l
a
t
f
o
r
m
I
n
t
e
g
r
a
t
i
o
n
w
i
t
h
e
-
F
a
w
a
t
e
e
r
k
u
m
-
B
i
l
l
i
n
g
d
a
t
a
i
n
q
u
i
r
y
-
P
a
y
m
e
n
t
n
o
t
i
f
i
c
a
t
i
o
n
s
I
n
t
e
g
r
a
t
i
o
n
w
i
t
h
P
i
l
o
t
B
i
l
l
e
r
s
-
P
u
l
l
-
P
u
sh
M
a
n
a
g
e
m
e
n
t
s
C
o
mm
a
n
d
s
R
e
f
i
n
e
d
A
r
c
h
i
t
e
c
t
u
r
e
B
l
u
e
p
r
i
n
t
s
C
o
n
st
r
u
c
t
i
o
n
C
B
B
H
C
o
r
e
U
se
C
a
s
e
s
O
p
s/
A
d
mi
n
P
o
r
t
a
l
B
i
l
l
e
r
M
a
n
a
g
e
me
n
t
A
d
mi
n
i
s
t
r
a
t
i
o
n
S
e
t
t
l
e
m
e
n
t
s
R
e
p
o
r
t
s
B
i
l
l
e
r
P
o
r
t
a
l
B
a
si
c
B
i
l
l
e
r
su
p
p
o
r
t
S
u
p
p
o
r
t
f
o
r
M
i
c
r
o
B
i
l
l
e
r
s
Tr
a
n
s
i
t
i
o
n
UAT
Tr
a
i
n
i
n
g
R
o
l
l
o
u
t
P
l
a
n
n
i
n
g
P
i
l
o
t
/
S
o
f
t
l
a
u
n
c
h
O
p
e
r
a
t
i
o
n
s
O
p
t
i
m
i
z
a
t
i
o
n
F
u
l
l
S
c
a
l
e
P
r
o
d
u
c
t
i
o
n
(
Li
v
e
)
Evaluation Warning : The document was created with Spire.PDF for Python.
T
E
L
KOM
NI
KA
T
elec
o
m
m
u
n
C
o
m
p
u
t E
l Co
n
tr
o
l
A
p
r
o
p
o
s
ed
clo
u
d
-
b
a
s
ed
b
iller
s
h
u
b
u
s
in
g
s
ec
u
r
ed
e
-
p
a
yme
n
ts
s
yste
m
(
B
ela
l A
yy
o
u
b
)
347
5.
CO
NCLU
SI
O
N
I
n
th
is
p
ap
er
,
we
d
ev
elo
p
ed
an
ag
g
r
eg
ato
r
s
y
s
tem
th
at
ca
n
b
e
in
teg
r
ated
in
to
an
I
n
ter
n
et
b
illi
n
g
s
y
s
tem
d
ev
elo
p
e
d
b
y
ce
n
tr
al
b
a
n
k
s
.
T
h
e
p
r
o
p
o
s
ed
m
eth
o
d
d
ef
in
e
d
th
e
tech
n
ical
r
e
q
u
ir
em
e
n
ts
an
d
th
e
f
u
n
ctio
n
al
b
o
u
n
d
ar
ies
n
ee
d
ed
.
I
t
also
d
ep
icted
a
h
ig
h
-
lev
el
v
iew
o
f
th
e
e
n
v
is
io
n
ed
ar
ch
itectu
r
e
an
d
p
r
e
s
en
ted
th
e
ex
p
ec
ted
tim
elin
e
an
d
im
p
lem
en
tatio
n
a
p
p
r
o
ac
h
.
T
h
e
p
r
o
p
o
s
ed
m
eth
o
d
was
s
u
cc
es
s
f
u
lly
im
p
lem
en
ted
in
th
e
clo
u
d
-
b
ased
B
iller
s
Hu
b
d
ev
elo
p
ed
b
y
th
e
ce
n
tr
al
b
an
k
in
J
o
r
d
a
n
.
RE
F
E
R
E
NC
E
S
[1
]
U.
Arn
o
l
d
,
J.
O
b
e
rlän
d
e
r,
a
n
d
B
.
S
c
h
wa
rz
b
a
c
h
,
"
L
o
g
ica
l
-
d
e
v
e
lo
p
m
e
n
t
o
f
c
l
o
u
d
c
o
m
p
u
ti
n
g
p
latfo
rm
s
a
n
d
t
o
o
ls
f
o
r
lo
g
isti
c
s
h
u
b
s
a
n
d
c
o
m
m
u
n
i
ti
e
s,
"
i
n
Fed
e
ra
te
d
C
o
n
fer
e
n
c
e
o
n
Co
m
p
u
ter
S
c
ien
c
e
a
n
d
In
fo
rm
a
t
io
n
S
y
ste
ms
,
Fed
CS
I
S
2
0
1
2
.
p
p
.
1
0
8
3
-
1
0
9
0
,
2
0
1
2
.
[2
]
R.
Bu
y
y
a
,
J.
Bro
b
e
rg
,
a
n
d
AM.
G
o
sc
in
sk
i
,
"
Cl
o
u
d
c
o
m
p
u
ti
n
g
:
P
r
in
c
ip
les
a
n
d
p
a
ra
d
ig
m
s,
"
v
o
l.
8
7
.
Jo
h
n
Wi
ley
&
S
o
n
s,
2
0
1
0
.
[3
]
M
.
M
il
r
o
y
a
n
d
F
.
Li
,
"
In
ter
n
e
t
b
il
li
n
g
:
th
e
e
x
p
e
rien
c
e
fro
m
fo
u
r
UK
u
ti
li
ty
c
o
m
p
a
n
ies
,
"
I
n
ter
n
a
ti
o
n
a
l
jo
u
rn
a
l
o
f
in
fo
rm
a
ti
o
n
ma
n
a
g
e
me
n
t
,
v
o
l
.
2
1
,
n
o
.
2
,
p
p
.
1
0
1
-
1
2
1
,
2
0
0
1
.
[4
]
"
Bu
sin
e
ss
-
to
-
B
u
sin
e
ss
EIP
P
:
P
re
s
e
n
tme
n
t
M
o
d
e
ls,
P
a
rt
1
,
"
C
o
u
n
c
i
l
fo
r
E
lec
tro
n
ic Bi
ll
in
g
a
n
d
P
a
y
m
e
n
t,
2
0
0
1
.
[5
]
S
.
S
u
m
a
n
jee
t,
"
Eme
rg
e
n
c
e
o
f
p
a
y
m
e
n
t
sy
ste
m
s in
th
e
a
g
e
o
f
e
lec
tro
n
ic co
m
m
e
rc
e
:
Th
e
sta
te o
f
a
rt,
"
Glo
b
a
l
J
o
u
rn
a
l
o
f
In
ter
n
a
ti
o
n
a
l
Bu
sin
e
ss
Res
e
a
rc
h
,
v
o
l.
2
,
n
o
.
2
,
2
0
0
9
.
[6
]
P
.
S
.
Ba
rre
to
,
G
.
Am
v
a
m
e
-
Nz
e
,
C.
V.
S
il
v
a
,
e
t
a
l.
,
"
A
stu
d
y
o
f
b
il
li
n
g
sc
h
e
m
e
s
in
a
n
e
x
p
e
rime
n
tal
n
e
x
t
g
e
n
e
ra
ti
o
n
n
e
two
rk
,
"
i
n
I
n
ter
n
a
t
io
n
a
l
C
o
n
fer
e
n
c
e
o
n
Ne
two
rk
i
n
g
,
S
p
r
in
g
e
r,
Be
rli
n
,
He
i
d
e
lb
e
rg
,
p
p
.
6
6
-
7
4
,
2
0
0
5
.
[7
]
G
.
An
to
n
i
o
u
,
B.
L
y
n
n
,
N.
S
h
iv
a
ra
m
a
k
rish
n
a
n
,
e
t
a
l.
,
"
A
p
ri
v
a
c
y
p
re
se
rv
in
g
e
-
p
a
y
m
e
n
t
sc
h
e
m
e
,
"
i
n
In
telli
g
e
n
t
Distrib
u
ted
Co
mp
u
ti
n
g
III
,
S
p
rin
g
e
r,
Be
rli
n
,
He
id
e
lb
e
r
g
,
p
p
.
1
9
7
-
2
0
2
,
2
0
0
9
.
[8
]
O.
W.
P
u
rb
o
,
"
In
ter
n
e
t
-
o
ffli
n
e
so
lu
ti
o
n
:
d
e
tail
d
e
sc
rip
ti
o
n
a
n
d
b
e
n
c
h
m
a
rk
in
g
,
"
T
EL
KOM
NIKA
T
e
lec
o
mm
u
n
ica
t
io
n
Co
mp
u
t
in
g
El
e
c
tro
n
ics
a
n
d
C
o
n
tr
o
l
,
v
o
l
.
1
8
,
n
o
.
4
,
p
p
.
1
8
0
9
-
1
8
1
8
,
2
0
2
0
.
[9
]
E.
S
.
P
ra
m
u
k
a
n
to
r
o
,
M
.
Lu
c
k
ies
,
a
n
d
F
.
A.
Ba
k
h
ti
a
r,
"
Bri
d
g
i
n
g
Io
T
i
n
fra
stru
c
t
u
re
a
n
d
c
lo
u
d
a
p
p
li
c
a
ti
o
n
u
sin
g
c
e
ll
u
lar
-
b
a
se
d
in
tern
e
t
g
a
tew
a
y
d
e
v
ice
,
"
T
EL
KOM
NIKA
T
e
lec
o
mm
u
n
ica
ti
o
n
C
o
mp
u
ti
n
g
El
e
c
tro
n
ics
a
n
d
C
o
n
tro
l
,
v
o
l.
1
7
,
n
o
.
3
,
p
p
.
1
4
3
9
-
1
4
4
6
,
2
0
1
9
.
[1
0
]
A.K.M
.
I
b
ra
h
im,
R.
A.
Ra
sh
i
d
,
A.H.
F
.
A.
Ha
m
id
,
e
t
a
l.
,
"
Li
g
h
twe
i
g
h
t
Io
T
m
id
d
lew
a
re
fo
r
ra
p
id
a
p
p
li
c
a
ti
o
n
d
e
v
e
lo
p
m
e
n
t,
"
T
E
L
K
OM
NIKA
T
e
lec
o
mm
u
n
ica
ti
o
n
Co
mp
u
ti
n
g
El
e
c
tro
n
ics
a
n
d
C
o
n
tro
l
,
v
o
l.
1
7
,
n
o
.
3
,
p
p
.
1
3
8
5
-
1
3
9
2
,
2
0
1
9
.
[1
1
]
R.
A.
P
.
Ra
jan
,
"
A
re
v
iew
o
n
se
rv
e
rles
s
a
rc
h
it
e
c
tu
re
s
-
fu
n
c
ti
o
n
a
s
a
se
rv
ice
(F
a
a
S
)
i
n
c
lo
u
d
c
o
m
p
u
ti
n
g
,
"
T
EL
KOM
NIKA
T
e
lec
o
mm
u
n
ic
a
ti
o
n
C
o
mp
u
ti
n
g
El
e
c
tro
n
ics
a
n
d
Co
n
tro
l
,
v
o
l
.
1
8
,
n
o
.
1
,
p
p
.
5
3
0
-
5
3
7
,
2
0
2
0
.
[1
2
]
P
.
P
.
Vish
wa
k
a
rm
a
,
A.K.
Tri
p
a
th
y
,
a
n
d
S
.
Ve
m
u
r
u
,
"
A
n
e
m
p
iri
c
p
a
th
to
wa
rd
s
fra
u
d
d
e
tec
ti
o
n
a
n
d
p
ro
te
c
ti
o
n
f
o
r
NFC
-
e
n
a
b
led
m
o
b
i
le p
a
y
m
e
n
t
sy
ste
m
,
"
T
EL
KOM
NIKA
T
e
lec
o
mm
u
n
ica
ti
o
n
Co
m
p
u
ti
n
g
El
e
c
tro
n
ics
a
n
d
C
o
n
tro
l
,
v
o
l.
1
7
,
n
o
.
5
,
p
p
.
2
3
1
3
-
2
3
2
0
,
2
0
1
9
.
[1
3
]
A.
Al
F
a
ra
wn
,
H.D.
Rjeib
,
N.S
.
Ali,
e
t
a
l.
,
"
S
e
c
u
re
d
e
-
p
a
y
m
e
n
t
s
y
ste
m
b
a
se
d
o
n
a
u
t
o
m
a
ted
a
u
t
h
e
n
t
i
c
a
ti
o
n
d
a
ta
a
n
d
it
e
ra
ted
sa
lt
e
d
h
a
sh
a
l
g
o
ri
th
m
,
"
In
t
J
Po
w
E
lec
&
Dr
i
S
y
st
,
n
o
.
8
6
9
4
,
2
0
2
0
.
[1
4
]
E.
Va
n
,
L.
To
a
d
e
r,
S
.
Tall
u
ri,
e
t
a
l.
,
"
S
e
rv
e
rles
s
is
m
o
re
:
F
ro
m
p
a
a
s
to
p
re
se
n
t
c
lo
u
d
c
o
m
p
u
ti
n
g
,
"
IEE
E
In
ter
n
e
t
Co
mp
u
t
in
g
,
v
o
l
.
2
2
,
n
o
.
5
,
p
p
.
8
-
1
7
,
2
0
1
8
.
[1
5
]
T.
Ly
n
n
,
P
.
Ro
sa
ti
,
A.
Leje
u
n
e
,
e
t
a
l.
,
"
A p
re
li
m
in
a
r
y
re
v
iew
o
f
e
n
t
e
rp
rise
se
rv
e
rles
s
c
lo
u
d
c
o
m
p
u
t
in
g
(fu
n
c
ti
o
n
-
as
-
a
-
se
rv
ice
)
p
latfo
rm
s,"
i
n
IEE
E
In
t
e
rn
a
ti
o
n
a
l
C
o
n
fer
e
n
c
e
o
n
Clo
u
d
Co
mp
u
t
in
g
T
e
c
h
n
o
lo
g
y
a
n
d
S
c
ien
c
e
,
Clo
u
d
C
o
m
2
0
1
7
.
p
p
.
1
6
2
-
1
6
9
,
2
0
1
7
.
[1
6
]
G
.
M
c
G
ra
th
a
n
d
P
.
R
.
Bre
n
n
e
r,
"
S
e
rv
e
rles
s
c
o
m
p
u
ti
n
g
:
De
sig
n
,
i
m
p
lem
e
n
tatio
n
,
a
n
d
p
e
rfo
rm
a
n
c
e
,
"
i
n
IEE
E
3
7
th
In
ter
n
a
t
io
n
a
l
C
o
n
fer
e
n
c
e
o
n
Dist
rib
u
t
e
d
Co
mp
u
ti
n
g
S
y
ste
ms
W
o
rk
sh
o
p
s,
ICDCS
W
2
0
1
7
.
p
p
.
4
0
5
-
4
1
0
,
2
0
1
7
.
[1
7
]
R.
Ra
jes
h
k
u
m
a
r,
R.
M
o
h
a
n
ra
j
,
a
n
d
M
.
Va
ra
th
a
ra
j,
"
Au
t
o
m
a
ti
c
B
a
rc
o
d
e
Ba
se
d
Bil
l
Ca
lcu
lati
o
n
b
y
Us
in
g
S
m
a
rt
Tro
ll
e
y
,
"
I
n
ter
n
a
t
io
n
a
l
J
o
u
r
n
a
l
o
f
En
g
in
e
e
rin
g
S
c
ien
c
e
a
n
d
Co
mp
u
ti
n
g
,
v
o
l.
6
,
n
o
.
3
,
2
0
1
6
.
[1
8
]
J.
Iy
e
r,
H.
D
h
a
b
u
a
n
d
S
.
K.
M
o
h
a
n
ty
,
"
S
m
a
rt
Tro
ll
e
y
S
y
ste
m
fo
r
Au
to
m
a
ted
Bil
li
n
g
u
si
n
g
R
F
ID
a
n
d
ZIG
BEE
,
"
In
ter
n
a
t
io
n
a
l
J
o
u
rn
a
l
o
f
Eme
rg
i
n
g
T
e
c
h
n
o
l
o
g
y
a
n
d
Ad
v
a
n
c
e
d
En
g
i
n
e
e
rin
g
,
v
o
l.
5
,
n
o
.
1
0
,
2
0
1
5
.
[1
9
]
P
.
Ch
a
n
d
ra
se
k
a
r
a
n
d
T
.
S
a
n
g
e
e
th
a
,
"
S
m
a
rt
S
h
o
p
p
i
n
g
Ca
rt
wit
h
Au
to
m
a
ti
c
Bil
li
n
g
S
y
ste
m
th
r
o
u
g
h
RF
I
D
a
n
d
Zi
g
Be
e
,
"
i
n
p
ro
c
e
e
d
i
n
g
s
o
f
IE
EE
In
ter
n
a
ti
o
n
a
l
Co
n
fer
e
n
c
e
o
n
In
fo
rm
a
ti
o
n
,
Co
m
mu
n
ica
ti
o
n
a
n
d
Emb
e
d
d
e
d
S
y
ste
m,
ICICES
2
0
1
4
.
p
p
.
1
-
4
,
2
0
1
4
.
[2
0
]
S
.
R
o
h
it
h
a
n
d
C.
M
a
d
h
u
su
d
a
n
,
"
E
a
sy
Bil
li
n
g
S
y
ste
m
a
t
S
h
o
p
p
i
n
g
M
a
ll
Us
in
g
Hitec
h
Tro
ll
y
,
"
I
n
ter
n
a
ti
o
n
a
l
J
o
u
rn
a
l
&
M
a
g
a
zin
e
o
f
E
n
g
in
e
e
rin
g
,
T
e
c
h
n
o
l
o
g
y
,
M
a
n
a
g
e
me
n
t
a
n
d
Res
e
a
rc
h
,
v
o
l.
2
,
n
o
.
7
,
2
0
1
5
.
[2
1
]
H.
T.
Ra
n
ji
t
h
a
a
n
d
M
.
Ch
e
t
h
a
n
a
,
"
Ad
v
a
n
c
e
d
b
il
li
n
g
sy
ste
m
f
o
r
g
o
v
e
rn
m
e
n
t
d
e
p
a
rtme
n
ts,
"
I
n
ter
n
a
t
i
o
n
a
l
J
o
u
rn
a
l
o
f
Ad
v
a
n
c
e
Res
e
a
rc
h
,
I
d
e
a
s
a
n
d
I
n
n
o
v
a
ti
o
n
s i
n
T
e
c
h
n
o
l
o
g
y
,
Vo
l.
5
,
n
o
.
2
,
2
0
1
9
.
[2
2
]
Z.
Be
n
a
z
ir
a
n
d
P
.
P
ra
b
h
a
,
"
El
e
c
t
ricity
Bil
l
M
a
n
a
g
e
m
e
n
t
S
y
ste
m
,
"
In
ter
n
a
ti
o
n
a
l
J
o
u
rn
a
l
o
f
A
p
p
l
ied
E
n
g
i
n
e
e
rin
g
Res
e
a
rc
h
,
Vo
l.
1
3
,
n
o
.
5
,
2
0
1
8
.
[2
3
]
H.
S
h
e
rrie,
R
.
S
h
re
y
a
,
J.
S
u
g
a
n
y
a
,
e
t
a
l.
,
"
De
v
e
l
o
p
m
e
n
t
o
f
a
n
a
n
d
r
o
id
a
p
p
l
ica
ti
o
n
fo
r
e
lec
tri
c
it
y
b
il
l
p
a
y
m
e
n
t
,
"
In
ter
n
a
t
io
n
a
l
J
o
u
rn
a
l
o
f
A
d
v
a
n
c
e
Res
e
a
rc
h
in
S
c
ien
c
e
a
n
d
E
n
g
i
n
e
e
rin
g
,
IJ
A
RS
E
2
0
1
5
,
v
o
l.
4
,
Iss
u
e
0
1
,
2
0
1
5
.
[2
4
]
J.
Wan
g
,
"
De
sig
n
a
n
d
Im
p
lem
e
n
t
a
ti
o
n
o
f
P
ro
p
e
rty
Tax
G
rid
M
a
n
a
g
e
m
e
n
t
S
y
ste
m
,
"
IEE
E
W
o
rk
sh
o
p
o
n
Ad
v
a
n
c
e
d
Res
e
a
rc
h
a
n
d
T
e
c
h
n
o
l
o
g
y
i
n
I
n
d
u
stry
Ap
p
li
c
a
ti
o
n
s,
2
0
1
4
W
AR
T
I
A
,
2
0
1
4
.
[2
5
]
C.
Da
wn
e
,
"
El
e
c
tro
n
ic Bi
ll
in
g
:
U
n
d
e
rsta
n
d
in
g
th
e
R
o
a
d
to
A
d
o
p
ti
o
n
,
DST
Ou
t
p
u
t,
"
W
h
it
e
P
a
p
e
r.
2
0
0
2
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
1
6
9
3
-
6
9
3
0
T
E
L
KOM
NI
KA
T
elec
o
m
m
u
n
C
o
m
p
u
t E
l Co
n
tr
o
l
,
Vo
l.
19
,
No
.
1
,
Feb
r
u
ar
y
2
0
2
1
:
3
3
9
-
3
4
8
348
B
I
O
G
RAP
H
I
E
S O
F
AUTH
O
RS
Be
la
l
Ay
y
o
u
b
re
c
e
iv
e
d
h
is
B.
S
c
.
a
n
d
M
.
S
c
.
(1
9
9
9
),
fr
o
m
th
e
F
a
c
u
lt
y
of
En
g
i
n
e
e
rin
g
Tec
h
n
o
l
o
g
y
,
Ale
x
.
Eg
y
p
t
AA
S
T&MT
,
P
h
.
D.
(2
0
0
9
)
in
Co
m
p
u
ter
In
fo
rm
a
ti
o
n
S
y
st
e
m
(Co
m
p
lex
c
o
m
p
u
ter
n
e
two
r
k
s)
fr
o
m
th
e
Ara
b
Ac
a
d
e
m
y
fo
r
Ba
n
k
i
n
g
a
n
d
F
i
n
a
n
c
ial
S
c
ien
c
e
s
Jo
rd
a
n
.
C
u
rre
n
tl
y
h
e
is
a
n
a
ss
o
c
i
a
te
p
ro
fe
ss
o
r
a
t
t
h
e
De
p
a
rtme
n
t
Of
c
o
m
p
u
ter
e
n
g
in
e
e
rin
g
BAU
Un
iv
e
rsity
,
Am
m
a
n
Jo
rd
a
n
.
His
re
se
a
r
c
h
in
tere
sts
in
c
lu
d
e
c
lo
u
d
c
o
m
p
u
ti
n
g
,
c
o
m
p
u
ter
d
ig
it
a
l
ima
g
e
p
r
o
c
e
ss
in
g
,
C
o
m
p
le
x
c
o
m
p
u
ter n
e
two
r
k
s
d
e
sig
n
a
n
d
o
p
ti
m
iza
ti
o
n
s.
Ema
il
:
b
e
lal_
a
y
y
o
u
b
@
b
a
u
.
e
d
u
.
j
o
.
Bil
a
l
Z
a
h
r
a
n
r
e
c
e
i
v
e
d
t
h
e
B
.
S
c
d
e
g
r
e
e
i
n
E
l
e
c
t
r
i
c
a
l
&
E
l
e
c
t
r
o
n
ic
E
n
g
.
f
r
o
m
M
i
d
d
l
e
E
a
s
t
T
e
c
h
n
i
c
a
l
U
n
i
v
e
r
s
i
t
y
,
T
u
r
k
e
y
,
i
n
1
9
9
6
,
t
h
e
M
.
S
c
d
e
g
r
e
e
i
n
C
o
m
m
u
n
i
c
a
t
i
o
n
s
E
n
g
.
f
r
o
m
U
n
i
v
e
r
s
i
t
y
o
f
J
o
r
d
a
n
,
J
o
r
d
a
n
,
i
n
1
9
9
9
,
a
n
d
t
h
e
P
h
D
d
e
g
r
e
e
i
n
C
o
m
p
u
t
e
r
I
n
f
o
r
m
a
t
i
o
n
S
y
s
t
e
m
(
C
I
S
)
f
r
o
m
A
ra
b
A
c
a
d
e
m
y
f
o
r
B
a
n
k
i
n
g
a
n
d
F
i
n
a
n
c
i
a
l
S
c
i
e
n
c
e
s
,
J
o
r
d
a
n
,
i
n
2
0
0
9
.
H
e
i
s
c
u
r
r
e
n
t
l
y
w
o
r
k
i
n
g
a
s
a
n
A
s
s
o
c
i
a
te
P
r
o
f
e
ss
o
r
a
t
t
h
e
d
e
p
a
r
t
m
e
n
t
o
f
C
o
m
p
u
t
e
r
E
n
g
i
n
e
e
r
i
n
g
,
F
a
c
u
l
t
y
o
f
E
n
g
i
n
e
e
r
i
n
g
T
e
c
h
n
o
l
o
g
y
,
A
l
-
B
a
l
q
a
A
p
p
l
i
e
d
U
n
i
v
e
r
s
i
t
y
,
J
o
r
d
a
n
.
H
i
s
r
e
s
e
a
r
c
h
i
n
t
e
r
e
s
t
s
i
n
c
l
u
d
e
a
r
t
i
f
i
c
ia
l
i
n
t
e
l
l
i
g
e
n
c
e
a
p
p
l
i
c
a
t
i
o
n
s
,
o
p
t
i
m
i
z
a
t
i
o
n
a
n
d
d
i
g
i
t
a
l
s
i
g
n
a
l
p
r
o
c
e
ss
i
n
g
f
i
e
l
d
s
.
Ema
il
:
z
a
h
ra
n
b
@b
a
u
.
e
d
u
.
jo
,
z
a
h
r
a
n
b
@y
a
h
o
o
.
c
o
m
Ma
h
d
i
Nisir
a
t
is
c
u
rre
n
t
ly
a
fa
c
u
l
ty
m
e
m
b
e
r
a
n
d
a
n
a
ss
o
c
iate
p
r
o
fe
ss
o
r
a
t
th
e
De
p
a
rtme
n
t
o
f
Co
m
m
u
n
ica
ti
o
n
s
E
n
g
i
n
e
e
rin
g
Tec
h
n
o
lo
g
y
,
t
h
e
F
a
c
u
lt
y
o
f
En
g
in
e
e
ri
n
g
Tec
h
n
o
lo
g
y
,
Al
-
Ba
lq
a
Ap
p
li
e
d
Un
i
v
e
rsity
,
J
o
rd
a
n
.
He
h
o
l
d
s
a
P
h
.
D.
d
e
g
re
e
fro
m
t
h
e
Un
iv
e
rsiti
Ke
b
a
n
g
sa
a
n
M
a
lay
sia
,
M
a
lay
sia
;
a
n
M
S
c
d
e
g
r
e
e
in
El
e
c
tri
c
a
l
E
n
g
i
n
e
e
rin
g
fro
m
th
e
Un
iv
e
rsity
o
f
Tex
a
s
a
t
Arlin
g
to
n
,
USA;
a
n
d
a
BS
c
d
e
g
re
e
in
M
a
th
e
m
a
ti
c
s
-
P
h
y
sic
s
(
d
o
u
b
le
m
a
jo
r)
fr
o
m
Kin
g
Ab
d
u
l
Az
iz
Un
iv
e
rsity
,
S
a
u
d
i
Ara
b
ia.
His
c
u
rre
n
t
re
se
a
rc
h
in
tere
sts
in
c
lu
d
e
c
e
ll
u
lar
p
a
th
lo
ss
p
re
d
ictio
n
a
n
d
o
p
ti
m
iza
ti
o
n
,
m
icro
wa
v
e
p
r
o
p
a
g
a
ti
o
n
m
o
d
e
li
n
g
,
M
IM
O
sy
ste
m
s,
a
n
d
tec
h
n
iq
u
e
s.
Dr.
Nisira
t
is
c
u
rre
n
tl
y
th
e
I
EE
E
COM
S
OC
h
e
a
d
o
f
t
h
e
De
p
a
rtme
n
t
o
f
Co
m
m
u
n
ica
ti
o
n
s E
n
g
i
n
e
e
rin
g
Tec
h
n
o
l
o
g
y
.
Ema
il
:
m
a
m
n
isirat@b
a
u
.
e
d
u
.
jo
.
Fa
r
o
u
q
M.
S
.
Al
-
T
a
we
e
l
,
ia
a
n
As
so
c
iate
P
ro
fe
ss
o
r
o
f
Co
m
m
u
n
ica
ti
o
n
En
g
i
n
e
e
rin
g
.
He
h
o
l
d
s
a
P
h
D
i
n
E
n
g
i
n
e
e
rin
g
C
o
m
m
u
n
ica
ti
o
n
a
n
d
i
n
fo
rm
a
ti
o
n
te
c
h
n
o
l
o
g
y
fro
m
M
o
sc
o
w
Tec
h
n
ica
l
Un
i
v
e
rsity
o
f
Co
m
m
u
n
ica
ti
o
n
a
n
d
i
n
fo
rm
a
ti
o
n
.
Ema
il
:
d
r_
fa
r
o
u
q
@b
a
u
.
e
d
u
.
jo
.
Mo
h
a
m
m
a
d
Al
K
h
a
wa
ld
a
h
is
a
fa
c
u
lt
y
m
e
m
b
e
r
a
t
Al
-
Ba
lq
a
Ap
p
li
e
d
Un
iv
e
rsit
y
fro
m
2
0
1
0
.
He
re
c
e
iv
e
d
h
is
B
S
c
i
n
El
e
c
tro
n
ic
En
g
in
e
e
rin
g
fr
o
m
Un
i
v
e
rsity
o
f
Tec
h
n
o
l
o
g
y
,
Ba
g
h
d
a
d
(1
9
9
9
),
M
S
c
in
M
e
c
h
a
tro
n
ics
En
g
in
e
e
rin
g
fr
o
m
Al
-
Ba
lq
a
A
p
p
li
e
d
Un
iv
e
rsit
y
/Jo
r
d
a
n
(
2
0
0
5
)
a
n
d
P
h
D
d
e
g
re
e
(Ex
p
lo
ra
ti
o
n
a
n
d
M
a
p
b
u
il
d
i
n
g
b
y
C
o
o
p
e
ra
ti
n
g
M
o
b
il
e
Ro
b
o
ts)
fr
o
m
Un
iv
e
rsity
o
f
He
rtfo
rd
s
h
ire,
U
K
(2
0
1
0
)
.
Cu
rre
n
tl
y
,
h
e
is
a
n
a
ss
o
c
iate
p
ro
fe
ss
o
r
i
n
M
e
c
h
a
tro
n
ics
E
n
g
in
e
e
rin
g
De
p
a
rt
m
e
n
t
a
t
Al
-
Ba
lq
a
A
p
p
l
ied
U
n
iv
e
rs
it
y
.
His
re
se
a
rc
h
in
tere
sts
in
c
lu
d
e
:
M
o
b
il
e
ro
b
o
t
e
x
p
lo
ra
ti
o
n
a
n
d
n
a
v
ig
a
ti
o
n
,
m
u
lt
i
-
r
o
b
o
t
c
o
o
p
e
ra
ti
o
n
a
n
d
S
e
a
rc
h
a
n
d
P
a
th
p
la
n
n
i
n
g
a
l
g
o
rit
h
m
s.
He
wo
rk
e
d
a
s a
v
isit
in
g
re
se
a
rc
h
e
r
in
Wu
rz
b
u
rg
U
n
iv
e
rsit
y
a
n
d
i
n
Ja
c
o
b
s
u
n
i
v
e
rsity
i
n
G
e
rm
a
n
y
a
s
h
e
g
o
t
fu
n
d
s
fr
o
m
th
e
G
e
rm
a
n
Re
se
a
rc
h
F
o
u
n
d
a
ti
o
n
(DFG
).
Ema
il
:
m
.
a
lk
h
a
wa
ld
a
h
@
b
a
u
.
e
d
u
.
j
o
.
Evaluation Warning : The document was created with Spire.PDF for Python.