Sangoma Phones Codecs

 

Codecs

The following codecs are supported:

Codec

Models

Firmware

Bitrate

Sampling Rate

Notes

Codec

Models

Firmware

Bitrate

Sampling Rate

Notes

G.711 a-law

D40, D45, D50, D60, D62, D65, D70, D80

All released firmware

64000 bps

8kHz, Narrowband

Referred to in phone config as "PCMA"

G.711 u-law

D40, D45, D50, D60, D62, D65, D70, D80

All released firmware

64000 bps

8kHz, Narrowband

Referred to in phone config as "PCMU"

G.726

D40, D45, D50, D60, D62, D65, D70

All released firmware

32000 bps

8kHz, Narrowband

Referred to in phone config as "G726-32"

iLBC, 30ms

D60, D62, D65

2.2.0.4 and greater

13333 bps

8kHz Narrowband

Referred to in phone config as "iLBC"

Opus

D60, D62, D65

2.2.0.4 and greater

12000 bps

8kHz Narrowband

Only one channel is supported at a time. Users should enable at least one other codec when using Opus to allow three-way calling. Referred to in phone config as "opus"

G.729a

D40, D45, D50, D60, D62, D65, D70

All released firmware

8000 bps

8kHz, Narrowband

D60, D62, D65 models require user activation of codec, requires Internet access; codec will not appear in config UI without activation. Referred to in phone config as "G729"

Linear

D40, D45, D50, D60, D62, D65, D70

All released firmware

128000 bps

8kHz, Narrowband

This codec should generally not be used outside of a LAN. Referred to in phone config as "L16"

G.722

D40, D45, D50, D60, D62, D65, D80

All released firmware

64000 bps

16kHz, Wideband

Referred to in phone config as "G722"

G.722.1, licensed by Polycom®

D60, D62, D65

2.2.0.4 and greater

32000 or 24000 bps

16kHz, Wideband

Referred to in phone config as "G7221"

Opus

D60, D62, D65

2.2.0.4 and greater

20000 bps

16kHz, Wideband

Only one channel is supported at a time. Users should enable at least one other codec when using Opus to allow three-way calling. Referred to in phone config as "opus"

Linear 16

D40, D45, D50, D60, D62, D65, D70

All released firmware

256000 bps

16kHz, Wideband

This codec should generally not be used outside of a LAN. Referred to in phone config as "L16-256"

G.722.1C, licensed by Polycom ®

D60, D62, D65

2.2.0.4 and greater

48000, 32000, or 24000 bps

32kHz, Ultrawideband

Referred to in phone config as "G7221"

In order to limit MTU size for UDP-based SIP signaling, Sangoma phones only enable a limited subset of these codecs by default.  Use of some codecs may require enabling them, which can be done via XML or DPMA configuration.

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