Codecs Payload Type
The following table lists Codecs Payload Type and Payload Type numbers
Any Codecs can be used with Brekeke SIP Server as long as the codecs used for the call are supported by both UA of the call.
Brekeke PBX supports for the codec conversion between codecs G.711 ulaw(PCMU),G.711 alaw(PCMA), iLBC and G.729. If other codecs are needed for the call, please use dial plan to bypass PBX.
Related Links:
| PT | Name | Type | Clock rate (Hz) | Audio channels | References |
| 0 | PCMU | Audio | 8000 | 1 | RFC 3551 |
|---|---|---|---|---|---|
| 1 | 1016 | Audio | 8000 | 1 | RFC 3551 |
| 2 | G721 | Audio | 8000 | 1 | RFC 3551 |
| 3 | GSM | Audio | 8000 | 1 | RFC 3551 |
| 4 | G723 | Audio | 8000 | 1 | – |
| 5 | DVI4 | Audio | 8000 | 1 | RFC 3551 |
| 6 | DVI4 | Audio | 16000 | 1 | RFC 3551 |
| 7 | LPC | Audio | 8000 | 1 | RFC 3551 |
| 8 | PCMA | Audio | 8000 | 1 | RFC 3551 |
| 9 | G722 | Audio | 8000 | 1 | RFC 3551 |
| 10 | L16 | Audio | 44100 | 2 | RFC 3551 |
| 11 | L16 | Audio | 44100 | 1 | RFC 3551 |
| 12 | QCELP | Audio | 8000 | 1 | – |
| 13 | CN | Audio | 8000 | 1 | RFC 3389 |
| 14 | MPA | Audio | 90000 | – | RFC 2250, RFC 3551 |
| 15 | G728 | Audio | 8000 | 1 | RFC 3551 |
| 16 | DVI4 | Audio | 11025 | 1 | – |
| 17 | DVI4 | Audio | 22050 | 1 | – |
| 18 | G729 | Audio | 8000 | 1 | – |
| 19 | reserved | Audio | – | – | – |
| 20 – 24 |
– | – | – | – | – |
| 25 | CellB | Video | 90000 | – | RFC 2029 |
| 26 | JPEG | Video | 90000 | – | RFC 2435 |
| 27 | – | – | – | – | – |
| 28 | nv | Video | 90000 | – | RFC 3551 |
| 29 30 |
– | – | – | – | – |
| 31 | H261 | Video | 90000 | – | RFC 2032 |
| 32 | MPV | Video | 90000 | – | RFC 2250 |
| 33 | MP2T | Audio/Video | 90000 | – | RFC 2250 |
| 34 | H263 | Video | 90000 | – | – |
| 35 – 71 |
– | – | – | – | – |
| 72 – 76 |
reserved | – | – | – | RFC 3550 |
| 77 – 95 |
– | – | – | – | – |
| 96 – 127 |
dynamic | – | – | – | RFC 3551 |
| dynamic | GSM-HR | Audio | 8000 | 1 | – |
| dynamic | GSM-EFR | Audio | 8000 | 1 | – |
| dynamic | L8 | Audio | variable | variable | – |
| dynamic | RED | Audio | – | – | – |
| dynamic | VDVI | Audio | variable | 1 | – |
| dynamic | BT656 | Video | 90000 | – | – |
| dynamic | H263-1998 | Video | 90000 | – | – |
| dynamic | MP1S | Video | 90000 | – | – |
| dynamic | MP2P | Video | 90000 | – | – |
| dynamic | BMPEG | Video | 90000 | – | – |