Operation Manual

Name Description
Preferred Vocoder - choice 3 Specifies the third preferred vocoders that the phone
includes in the same preference order in the SDP
message.
Preferred Vocoder - choice 4 Specifies the fourth preferred vocoders that the
phone includes in the same preference order in the
SDP message.
Preferred Vocoder - choice 5 Specifies the fifth preferred vocoders that the phone
includes in the same preference order in the SDP
message.
Preferred Vocoder - choice 6 Specifies the sixth preferred vocoders that the phone
includes in the same preference order in the SDP
message.
Preferred Vocoder - choice 7 Specifies the seventh preferred vocoders that the
phone includes in the same preference order in the
SDP message.
Use First Matching Vocoder in 200OK SDP Specifies whether the phone uses the first matching
vocoder as the codec that the phone received in the
200OK SDP.
SRTP Mode Specifies whether the SRTP mode is to be enabled.
Symmetric RTP Specifies whether the phone supports the symmetric
RTP.
Silence Suppression Specifies whether the phone sends a small quantity
of VAD packets, instead of audio packets, when the
phone detects silence. Silence suppression is
applicable for the codec G.723 and G.729 only.
Voice Frames per TX Specifies the number of voice frames that the phone
tramsits per packet. the number of voice frames
transmitted per packet. The frame number is up to
10, 20, 32, and 64 for G711, G726, G723, and other
codecs respectively.
G723 Rate Specifies the encoding rate for G723 codec.
G.726-32 Packing Mode Specifies the packing mode for the G726-32 codec.
iLBC Frame Size Specifies the iLBC packet frame size.
iLBC Payload Type Specifies the iLBC payload type. The valid range is
from 96 to 127.
Jitter Buffer Type Specifies the jitter buffer type. You can select from
the following values based on network conditions:
• Fixed
• Adaptive
Jitter Buffer Length Specifies jitter buffer length. You can select a low,
medium, or high value based on network conditions.
Accounts audio settings field descriptions
January 2016 Administering Avaya E129 SIP Deskphone 29
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