Settings - Codec
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Codecs are standards that encode and decode sound into data streams for transmission in the internet environment.
Codecs convert audio voice signals into a digitally compressed form for transmission over the internet. When the signal reaches a destination on the network, the codec converts to an uncompressed audio signal for playback. That is what makes VoIP possible.
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G.711 delivers uncompressed high-quality voice. You can choose between two different values of G.711: G711A (PCMA) and G711U (PCMU).
- G711A is an international circuit standard used for Europe and many APAC countries.
- G711U is used for the US Federation.
- G.729 is compressed so it uses less bandwidth at the sacrifice of quality.
To configure it, please follow the steps below.
1. Go to Setting > Codec > Click New profile
![](https://d2x3xhvgiqkx42.cloudfront.net/c94ab348-5fb1-4c1d-89b1-fa79e3e916d0/81ec6e6f-2b1b-45dc-9193-b23c4a10d966/2021/05/21/468cce59-be27-4596-b354-6f840c4942b2/66c0d29f-b2a1-471a-bbc8-c617ad0e3992.png)
2. Give your codec profile a name > Choose codec > Create
3. Finish
![](https://d2x3xhvgiqkx42.cloudfront.net/c94ab348-5fb1-4c1d-89b1-fa79e3e916d0/81ec6e6f-2b1b-45dc-9193-b23c4a10d966/2021/05/21/e75db2bc-2f51-4274-adb0-904acecb705d/0b97fd9d-851d-4ab9-973f-5699531e4c76.png)