R2511-HP MSR Router Series Voice Command Reference(V5)
2
Default
The maximum number of call history records that can be stored is 50.
Views
Voice view
Default command level
2: System level
Parameters
number: Maximum number of call history records that can be stored, in the range of 0 to 200.
Examples
# Configure the maximum number of call history records that can be stored as 100.
<Sysname> system-view
[Sysname] voice-setup
[Sysname-voice] call-history max-count 100
compression
Use compression to specify the codecs and their priority levels for the voice entity.
Use undo compression to restore the default value.
Syntax
compression { 1st-level | 2nd-level | 3rd-level | 4th-level } { g711alaw | g711ulaw | g723r53 |
g723r63 | g726r16 | g726r24 | g726r32 | g726r40 | g729a | g729br8 | g729r8 }
undo compression { 1st-level | 2nd-level | 3rd-level | 4th-level }
Default
The codec with the first priority is g729r8, that with the second priority is g711alaw, that with the third
priority is g711ulaw, and that with the fourth priority is g723r53.
Views
POTS voice entity view, VoIP voice entity view, VoFR entity view, IVR entity view
Default command level
2: System level
Parameters
1st-level: Specifies a codec with the first priority.
2nd-level: Specifies a codec with the second priority.
3rd-level: Specifies a codec with the third priority.
4th-level: Specifies a codec with the fourth priority (that is, the lowest priority).
g711alaw: G.711 A-law codec (defining the pulse code modulation technology), requiring a bandwidth
of 64 kbps, usually adopted in Europe.
g711ulaw: G.711-law codec, requiring a bandwidth of 64 kbps, usually adopted in North America and
Japan.
g723r53: G.723.1 Annex A codec, requiring a bandwidth of 5.3 kbps.










