R0106-HP MSR Router Series Voice Configuration Guide(V7)

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Enabling VAD for a POTS entity
The voice activity detection (VAD) discriminates between silence and speech on a voice connection
according to their energies. With VAD, a POTS entity does not generate traffic during periods of silence.
To enable VAD for a POTS entity:
Step Command Remarks
1. Enter system view.
system-view N/A
2. Enter voice view.
voice-setup N/A
3. Enter dial program view.
dial-program N/A
4. Create a POTS entity and enter
POTS entity view.
entity entity-number pots N/A
5. Enable VAD.
vad-on [ g723r53 | g723r63 |
g729a | g729r8 ] *
By default, VAD is disabled.
The G.711 and G.726 codecs do
not support VAD. The G.729br8
codec always supports VAD.
Configuring options related to dial program
Step Command Remarks
1. Enter system view.
system-view N/A
2. Enter voice view.
voice-setup N/A
3. Enter dial program view.
dial-program N/A
4. Create a POTS entity and
enter POTS entity view.
entity entity-number pots N/A
5. Configure permitted calling
numbers.
caller-permit calling-string
Optional.
By default, the voice entity permits all calling
numbers.
6. Configure the priority of the
POTS entity.
priority priority-order
Optional.
By default, the priority level is 0.
The smaller the number, the higher the
priority.
7. Bind a number substitution rule
list to the voice entity.
substitute { called |
calling } list-number
By default, no number substitution rule list is
bound to a voice entity (no number
substitution is performed).
8. Bind a subscriber group to the
voice entity.
caller-group { deny |
permit } group-id
By default, no subscriber group is bound to
the voice entity (any calling number is
allowed to originate calls).
9. Configure the number sending
mode.
send-number
{ digit-number | all |
truncate }
By default, the truncate mode is used.
For more information about the above commands, see "Configuring dial programs."