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