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phone0
2019 Oct 03
2
Asterisk not using common codec between (SIP) endpoints
...s, it's stupid and annoying to deal with).
What I actually wanted to test was to see whether Asterisk would
correctly negotiate codecs
when making calls between the different kinds of participants (phones
and gateways).
Here's what I tested:
- Calls between phones (OK)
-- phone01 calls phone02 (phone01 offer: g722, alaw, ulaw)
-- phone02 accepts (Asterisk/phone02 offer/answer: g722, alaw, ulaw)
-- Asterisk sends reinvite to both to establish direct media flow
(codec: g722)
-- OKAY - this is exactly what i would expect
- Phone calls mediagateway; mediagateway sends special RTP (NOK:
As...