Version 5.8 347 October 2009
SIP User's Manual 6. Configuration Parameters Reference
6.7.3 Coders and Profile Parameters
The coders and profile parameters are described in the table below.
Table 6-24: Coders and Profile Parameters
Parameter Description
Web: Coders Table
EMS: Coders
[CoderName]
This ini file table parameter defines the device's coders. This includes up to
five groups of coders (each group consisting of up to five coders) that can be
associated with IP or Tel Profiles ('Coder Group Settings' page in the Web
interface -- refer to ''Coder Group Settings'' on page 162). Th
e first group of
coders (indices 0 through 4) is the default coder list and default coder group.
The format of this parameter is as follows:
[CoderName]
FORMAT CoderName_Index = CoderName_Type,
CoderName_PacketInterval, CoderName_rate,
CoderName_PayloadType, CoderName_Sce;
[\CoderName]
Where,
 Type = Coder name
 PacketInterval = Packetization time
 Rate = Packetization rate
 PayloadType = Payload type
 Sce = Silence suppression mode
For example:
CoderName 0 = g711Alaw64k, 20,,,0;
CoderName 1 = g726, $$, 3, 38, 0;
CoderName 2 = g729, 40, 255, 255, 1;
The table below lists the supported coders:
Coder Name Packetization
Time (msec)
Rate
(kbps)
Payload
Type
Silence
Suppression
G.711 A-law
[g711Alaw64k]
10, 20
(default), 30,
40, 50, 60, 80,
100, 120
Always 64 Always 8 Disable [0]
Enable [1]
G.711 U-law
[g711Ulaw64k]
10, 20
(default), 30,
40, 50, 60, 80,
100, 120
Always 64 Always 0 Disable [0]
Enable [1]
G.729
[g729]
10, 20
(default), 30,
40, 50, 60, 80,
100
Always 8 Always
18
Disable [0]
Enable [1]
Enable w/o
Adaptations [2]
G.723.1
[g7231]
30 (default),
60, 90
5.3 [0], 6.3
[1]
(default)
Always 4 Disable [0]
Enable [1]
T.38
[t38fax]
N/A N/A N/A N/A