Asterisk Audio Codecs

Asterisk 10 Codecs and Audio Formats - Asterisk Project ...

https://wiki.asterisk.org/wiki/display/AST/Asterisk+10+Codecs+and+Audio+Formats

As a part of the Media Overhaul project for Asterisk 10, changes have been made to Asterisk to increase the number of codecs it's capable of supporting, to handle codecs with custom formats, and to support audio sampling rates greater than 16kHz. This has resulted in several practical changes to Asterisk that will benefit its users. SIP Only Icon

Asterisk Tutorial 36 — SIP & Audio Codecs | by pascom | …

https://medium.com/@pascomnet/asterisk-tutorial-36-sip-audio-codecs-b88ff961dfef

Asterisk Audio and Video Capabilities - Asterisk Project ...

https://wiki.asterisk.org/wiki/display/AST/Asterisk+Audio+and+Video+Capabilities

Change Audio Codec - Asterisk Support - Asterisk Community

https://community.asterisk.org/t/change-audio-codec/83146

Why: If you want a high definition (HD) audio codec, you go for (for example) G.722, AMR-WB, or Opus. G.722 is build-in. Opus can be retrieved via the command ‘make menuselect’ or if you do not build Asterisk yourself, downloaded as binary file: Sangoma → Add-on Voice Codecs → Opus.

Asterisk Tutorial 36 - SIP & Audio Codecs [english] - …

https://www.youtube.com/watch?v=O7feTItIs0s

Installing codecs - Asterisk Support - Asterisk Community

https://community.asterisk.org/t/installing-codecs/5591

Open the asterisk console. (asterisk -vvvvgc or asterisk -r if asterisk is already running in background ). Type ‘show codecs’. That should print this list below. As far as I understand this is pretty standard across Asterisk. INT BINARY HEX TYPE NAME DESC 1 (1 << 0) (0x1) audio g723 (G.723.1)

Configuring Asterisk

http://www.asteriskdocs.org/en/3rd_Edition/asterisk-book-html-chunk/DeviceConfig_id216341.html

The last two options, disallow and allow (sip.conf), are used to control which audio codecs are accepted from and offered to the telephone. By defining disallow=all first, we’re telling Asterisk to reset any previously defined codec definitions in the [general] section (or the internal defaults); then we explicitly declare which codecs we’ll accept (and the order we prefer).

No audio after codec change - Asterisk Support - Asterisk ...

https://community.asterisk.org/t/no-audio-after-codec-change/17611

My company is trying to interoperate with the asterisk. We have a back-to-back SIP user agent (B2BUA) that communicates with the asterisk (*): gateway <–> Our B2BUA <–> * <–> phone During a call the initial negotiated codec is G.729 with RTP directly between the gateway and the phone (i.e. * is not in the media path, nor is our B2BUA).

Best sounding codec for FreePBX/Asterisk - Tips and Tricks ...

https://community.freepbx.org/t/best-sounding-codec-for-freepbx-asterisk/29328

Hi, I am currently run FreePBX12/Asterisk13. We are using free-pbx as a “telephone-board” for a non-profit, all volunteer internet radio station. I use a confbridge and in-studio softphone to bridge any phone callers tot he live studio sound board. This works pretty good, but because of the double encoding/decoding using basic G711u codec (one from …

PJSIP Advanced Codec Negotiation - Asterisk Project ...

https://wiki.asterisk.org/wiki/display/AST/PJSIP+Advanced+Codec+Negotiation