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2651
During R2 line signaling exchange, trunk circuit reset is sometimes controlled by
the called party (terminating point). The practice in some countries in this case is
that after the terminating point receives a clear-forward signal from the
originating point, it sends back a clear-back signal as an acknowledgement and
then a release-guard signal to indicate that the line at the terminating point side is
fully released.
Related command: mode.
Example # Enable the terminating point to acknowledge clear-forward signals with
clear-back signals.
<Sysname> system-view
[Sysname] controller e1 1/0
[Sysname-e1 1/0] timeslot-set 0 timeslot-list 1-31 signal r2
[Sysname-e1 1/0] cas 0
[Sysname-cas1/0:0] clear-forward-ack enable
display voice subscriber line
Syntax display voice subscriber line slot-number:{ ts-set-number | 15 | 23 }
View Any view
Parameter slot-number: Number of the voice subscriber line automatically created upon
creation of a TS group or ISDN PRI set.
ts-set-number: Number of the TS group that has been created.
15: Indicates the subscriber line is created on an E1 interface.
23: Indicates the subscriber line is created on a T1 interface.
Description Use the
display voice subscriber line command to display subscriber line
configuration about voice subscriber line description, echo canceller, echo
cancellation sampling time length, comfortable noise and so on.
This command applies to both E1 and T1 voice.
Example # Display the configuration of voice subscriber line 5/0:0.
<Sysname> display voice subscriber-line 5/0:0
Current information ----- subscriber-line5/0:0
Type = R2
Status = PhysicalDown
Call Status :
TS 1 = IDLE
TS 2 = IDLE
TS 3 = IDLE
TS 4 = IDLE
TS 5 = IDLE
TS 6 = IDLE
TS 7 = IDLE