Parameter
Default
value
Description
P46
2
Specifies the seventh preferred vocoder. Assign any of the
following values:
• 0: PCMU
• 2: G.726–32
• 4: G.723.1
• 8: PCMA
• 9: G.722
• 18: G.729A/B
• 98: iLBC
P2348
0
Specifies whether to use the first matching vocoder in 200OK
SDP. Assign any of the following values:
• 0: No
• 1: Yes
P183
0
Specifies whether to enable SRTP mode. Assign one of the
following values:
• 0: Disabled
• 1: Enabled but not forced
• 2: Enabled and forced
• 3: Optional
P291
0
Specifies whether to supports symmetric RTP. Assign any of
the following values:
• 0: No
• 1: Yes
P50
0
Specifies whether to enable silence suppression. Assign any of
the following values:
• 0: No
• 1: Yes. When the deskphone detects the silence, the
deskphone sends a small quantity of VAD packets instead of
the audio packets during the period of no talking. It is
applicable only for the G.723 and G.729 codec.
P37
2
Specifies the number of voice frames transmitted per packet. It
is up to 10/20/32/64 for G711/G726/G723/other codecs
respectively.
Administering through the configuration file
74 Administering Avaya E129 SIP Deskphone
April 2014
