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

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Enabling VAD for a VoIP 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
in an active voice connection.
To enable VAD:
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 VoIP entity and enter
VoIP entity view.
entity entity-number voip 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 VoIP entity and enter
VoIP entity view.
entity entity-number voip N/A
5. (Optional.) Configure the
permitted calling numbers.
caller-permit calling-string
Optional.
By default, the voice entity permits all calling
numbers.
6. Configure the priority of the
VoIP 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 VoIP entity.
substitute { called |
calling } list-number
By default, no number substitution rule list is
bound to a VoIP entity.
8. Bind a subscriber group to the
VoIP entity.
caller-group { deny |
permit } group-id
By default, no subscriber group is bound to a
VoIP entity.
For more information about the above commands, see "Configuring dial programs."
Displaying and maintaining voice entities
Execute display commands in any view.