Dialogic 6.2 - Manual (Page 295)

Ground Start Signaling
November 2009 295
Figure 34. FXO Ground Start - Outgoing Clear Timing Diagram
IIS
D
N
S
M
I M
E
S
S
A
G
E
S
:
L4L3m
C
L
EAR
_R
EQ
U
E
ST
L3L4m
C
L
E
A
R
_
R
E
Q
U
E
S
T
IIS
D
N
T
IM
E
R
S
:
ho
ok
ti
mer
_onhook
_r
ls
ho
ok
ti
mer
_of
fhook
_i
ns
ei
z
e
gu
ar
d_i
nt
er
val
_
ti
m
e
r
ign_i
ns
z_pos
t_
rl
s
_
ti
m
e
r
ho
ok
ti
mer
_onhook
_r
ls
R
E
C
E
IV
E H
O
O
K
SWI
T
C
H
, FX
S:
A B
it
B B
it
T
R
A
N
S
M
IT
H
O
O
K
S
W
IT
C
H
,
F
X
O
:
A B
it
B B
it
(
ignor
ed)
N
O
T
E
: Thi
s
di
agr
am
i
s
des
igned
t
o
gi
ve t
he r
eader
a
ge
ner
al
unde
rs
tandi
ng of
t
he s
equenc
e
o
f event
s
f
o
r t
h
is
r
obbed
bi
t pr
ot
oc
ol
ov
er
t
im
e
. The t
imer
s
and
s
pac
ing
on t
h
is
gr
aph ar
e
no
t pr
opor
ti
onal
t
o
t
he ac
tual
event
s
t
hat
oc
c
u
r.
R
e
vi
s
ed 10-
N
o
v-
98
R
e
vi
s
ion 1.
3
R
ECEIV
E
D B
ITS,
TR
ANSMITTED
Revised
20-Oct-03
Rev 1.4