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

G.722

g722

[20]

, 20, 40, 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)