Supported Audio Coders

The table below lists the coders supported by the device.

Supported Audio Coders

Coder Name

Packetization Time (msec)

[1] 10, [2] 20, [3] 30, [4] 40, [5] 50, [6] 60, [8] 80, [9] 90, [10] 100, [12] 120

Rate (kbps)

Payload Type

Silence Suppression

G.723.1

g723-1

[0]

30 (default), 60, 90, 120, 150

[7] 5.3 (default)
[11] 6.3

4

[0] Disable (default)
[1] Enable

G.711 A-law

g711-alaw

[1]

10, 20 (default), 30, 40, 50, 60, 80, 100, 120

[90] 64

8

[0] Disable (default)
[1] Enable

G.711 U-law

g711-ulaw

[2]

10, 20 (default), 30, 40, 50, 60, 80, 100, 120

[90] 64

0

[0] Disable (default)
[1] Enable

G.729

g729

[3]

10, 20 (default), 30, 40, 50, 60, 80, 100

[19] 8

18

[0] Disable (default)
[1] Enable
[2] Enable w/o Adaptations

T.38

t-38

[4]

N/A

N/A

N/A

N/A (Disabled)

G.726

g726

[5]

10, 20 (default), 30, 40, 50, 60, 80

[43] 16
[57] 24
[64] 32 (default)
[70] 40

Dynamic (default 2)

[0] Disable (default)
[1] Enable

Transparent

transparent

[7]

10, 20 (default), 40, 60, 80, 100, 120

[90] 64

Dynamic

[0] Disable
[1] Enable

EVRC

evrc

[12]

20 (default), 40, 60, 80, 100

[91] Variable (default)
[1] 1/8
[94] 1/2
[95] Full

Dynamic

[0] Disable
[1] Enable

AMR

amr

[14]

20 (default)

[4] 4.75
[6] 5.15
[9] 5.90
[14] 6.70
[16] 7.40
[18] 7.95
[27] 10.2
[30] 12.2 (default)

Dynamic

[0] Disable
[1] Enable

AMR-WB

amr-wb

[15]

20 (default)

[13] 6.6
[21] 8.85
[32] 12.65
[37] 14.25
[41] 15.85
[48] 18.25
[49] 19.85
[53] 23.05
[55] 23.8 (default)

Dynamic

[0] Disable
[1] Enable

GSM FR

gsm-fr

[16]

20 (default), 40, 60, 80

[34] 13

3

[0] Disable
[1] Enable

MS GSM

ms-gsm

[17]

40 (default)

[34] 13

3

[0] Disable
[1] Enable

G.722

g722

[20]

10 (default), 20, 30, 40, 50, 60, 80, 100, 120

[90] 64 (default)
[74] 48
[80] 56
9 (applicable only to rate 64 kbps)
66 (default and applicable only to rate 48 kbps) - payload can be changed
67 (default and applicable only to rate 56 kbps) -payload can be changed

N/A (Disabled)

G.711A-law_VBD

g711a-law-vbd

[23]

10, 20 (default), 30, 40, 50, 60, 80, 100, 120

[90] 64

8 or Dynamic (default 118)

N/A (Disabled)

G.711U-law_VBD

g711u-law-vbd

[24]

10, 20 (default), 30, 40, 50, 60, 80, 100, 120

[90] 64

0 or Dynamic (default 110)

N/A (Disabled)

Opus

opus

[40]

20 (default), 40, 60, 80, 120

N/A

Dynamic (default 111)

N/A

T.38 Over RTP

t-38-over-rtp

[43]

N/A

N/A

Dynamic (default 106)

N/A