Welltech Dialogic SS7 Protocols ISUP User Manual
Page 139
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Dialogic
®
SS7 Protocols ISUP Programmer's Manual Issue 15
139
Timer
ISUP Default
(seconds)
BICC Default
(seconds)
Description
before sending ACM
t11
not implemented
not implemented
N/A
t12
10
0
Waiting for BLA
t13
60
0
Delay to alert maintenance on failure to
receive BLA
t14
10
0
Waiting for UBA
t15
60
0
Delay to alert maintenance on failure to
receive UBA
t16
10
10
Waiting for RLC after sending RSC not
due to T5 expiry
t17
60
60
Delay to alert maintenance on failure to
receive acknowledgement of RSC.
T18
10 10 Waiting
for
GBA
t19
60
60
Delay to alert maintenance on failure to
receive GBA
t20
10 10 Waiting
for
GUA
t21
60
60
Delay to alert maintenance on failure to
receive GUA
t22
10 10 Waiting
for
GRA
t23
60
60
Delay to alert maintenance on failure to
receive GRA
t24
2
0
Waiting for sending COT on receipt of
backward check tone
t25
5
0
Waiting for sending CCR and repeat
continuity check
t26
120
0
Waiting for sending CCR on subsequent
cot failure
t27
240
0
Waiting for continuity check request on
receipt of cot failure indication
t28
10 10 Waiting
for
CQR
t29
0.5
0.5
Waiting for new congestion indication
t30
8
8
Delay to restore traffic by one step on
receipt of congestion indication
t31
not implemented
not implemented
N/A
t32
not implemented
not implemented
N/A
t33
14
14
Waiting for INF after sending INR
t34
3
3
Waiting for segmentation message
t35
20
20
Waiting for ST digit of for the minimum of
digits
t36
13
0
Wait for REL after receiving CCR (Note:
ANSI T1.113-1995 refers to this timer as
T34)
t37
not implemented
not implemented
N/A