IP Codec Priority—1st, 2nd, 3rd
Specifies the priority of the CODECs to be used.
None
is only available for 2nd and 3rd priorities.
Default
1st: G.711A
2nd: G.711µ
3rd: G.729A
Value Range
G.711A, G.711µ, G.729A, None
Packet Sampling Time (G.711A)
Specifies the time interval between measurements (samples) of sound data during a conversation. The smaller
this number, the higher the quality of the transmitted sound.
Default
20 ms
Value Range
10 ms, 20 ms, 30 ms, 40 ms, 50 ms, 60 ms
Packet Sampling Time (G.711µ)
Specifies the time interval between measurements (samples) of sound data during a conversation. The smaller
this number, the higher the quality of the transmitted sound.
Default
20 ms
Value Range
10 ms, 20 ms, 30 ms, 40 ms, 50 ms, 60 ms
Packet Sampling Time (G.729A)
Specifies the time interval between measurements (samples) of sound data during a conversation. The smaller
this number, the higher the quality of the transmitted sound.
Default
20 ms
Value Range
10 ms, 20 ms, 30 ms, 40 ms, 50 ms, 60 ms
Voice Activity Detection for G.711
Enables the use of the Voice Activity Detection feature for the G.711 CODEC. This feature conserves
bandwidth by detecting silent periods during a call and suppressing the packets of silence from being sent to
the network.
Default
Disable
Document Version 2008-11
Programming Manual for Virtual SIP CO Line Card
33
3.1.8 Voice/FAX