AudioCodes Mediant 2000, User Manual

Page: 146 / 418

SIP User's Manual 146 Document #: LTRT-68808
Mediant 2000
Coder Name Packetization
Time
Rate Payload
Type
Silence
Suppression
EVRC
[Evrc]
20 (default), 40,60,
80, 100 Variable
[0]
(default),
1/8 [1], 1/2
[3], Full [4] Dynamic (0-
120) ƒ
Disable
[0]
ƒ
Enable
[1]
iLBC
[iLBC]
20 (default), 40,
60, 80, 100, 120 15
(default) Dynamic (0-
120) ƒ
Disable
[0]
ƒ
Enable
[1]
30 (default), 60,
90, 120 13
MS-GSM
[gsmMS]
40 (default) Always 13 Always 3 ƒ
Disable
[0]
ƒ
Enable
[1]
QCELP
[QCELP]
20 (default), 40,
60, 80, 100, 120 Always 13 Always 12 ƒ
Disable
[0]
ƒ
Enable
[1]
Transparent
[Transparent]
20 (default), 40,
60, 80, 100, 120 Always 64 Dynamic (0-
120) ƒ
Disable
[0]
ƒ
Enable
[1]
G.711A-law_VBD
[g711AlawVbd]
10, 20 (default),
30, 40, 50, 60, 80,
100, 120 Always 64 Dynamic (0-
120) N/A
G.711U-law_VBD
[g711UlawVbd]
10, 20 (default),
30, 40, 50, 60, 80,
100, 120 Always 64 Dynamic (0-
120) N/A
T.38
[t38fax]
N/A N/A N/A N/A
¾
To configure the device's coders, take these 9 steps:
1.
Open the 'Coders' page (
Configuration
tab >
Protocol Configuration
menu >
Protocol Definition
submenu >
Coders
page item).
Figure 3-62: Coders Page
2.
From the 'Coder Name' drop-down list, select the coder you want to use. For the full
list of available coders and their corresponding attributes, refer to the table below.
3.
From the 'Packetization Time' drop-down list, select the packetization time (in msec)
for the selected coder. The packetization time determines how many coder payloads
are combined into a single RTP packet.
4.
From the 'Rate' drop-down list, select the bit rate (in kbps) for the selected coder.