[Asterisk-Users] Codec Formats

[John Vozza]

I've been trying to find a list of codec "format numbers" so I can more
clearly understand the following message;

Accepting AUTHENTICATED call from xxx.xxx.xxx.xxx, requested format = 4,
actual format = 4

I've seen 4, 32, 512 and I think a few others. For example I think format
32 equal ADPCM but what are the others?

TIA

John
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