NOTE:
• To enable the QSIG tunneling function, you must also execute the qsig-tunnel enable
command on the voice trunks of both the ingress and egress gateways.
• When the QSIG tunneling function is enabled, the system will not process or send non-QSIG
ISDN calls.
• The overlap mode ISDN calls do not support QSIG tunnel function.
Configuring digital E&M signaling
Configuring a start mode
Similar to analog E&M signaling, digital E&M signaling also provides three start modes:
immediate-start, wink-start and delay-start. The time sequence of digital E&M signaling is the same
as that of analog E&M signaling for all three start modes. The only difference is that analog E&M
signaling transmits signaling information through the level change of Tip and Ring line but digital
E&M signaling adopts 4 bits of TS16 to transmit signaling information in the same way as R2
signaling.
To configure the immediate start mode:
Step
1.
Enter system view.
2.
Enter E1/T1 interface view.
3.
Create a TS set for digital
E&M signaling and select the
immediate start mode.
4.
Exit E1/T1 interface view.
5.
Enter digital E&M voice
subscriber line view.
6.
Configure the delay that the
calling party must
experience before sending
DTMF digits in immediate
start mode.
For more information about the timer dial-interval, timer wait-digit, timer ring-back, and delay
send-dtmf commands, see HPE FlexNetwork MSR Router Series Comware 5 Voice Command
Reference.
To configure the delay start mode:
Step
1.
Enter system view.
2.
Enter E1/T1 interface view.
3.
Create a TS set for digital
E&M signaling and select the
delay start mode.
4.
Exit E1/T1 interface view.
Command
system-view
controller { e1 | t1 } slot-number
timeslot-set ts-set-number
timeslot-list timeslots-list signal
e&m-immediate
quit
subscriber-line
slot-numbe:ts-set-number
delay send-dtmf millseconds
Command
system-view
controller { e1 | t1 } slot-number
timeslot-set ts-set-number
timeslot-list timeslots-list signal
e&m-delay
quit
83
Remarks
N/A
N/A
N/A
N/A
N/A
Optional.
The default is 300
milliseconds.
Remarks
N/A
N/A
N/A
N/A
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