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Is it possible to prohibit a particular payload type on SA/sip-interface

in Acme Packet (MOSC) 3 commentsAnswered ✓

Hello, colleagues.

Happy new year to all of you.

Does anybody know is it possible to prohibit a particular payload type on a SA or sip-interface with the standard configuration? A remote side sends PCMA and PCMU twice: as static PTs 8 and 0 and additionally as dynamic PTs 120 and 121. This behavior looks bit abnormal, but it is not faulty, according to RFC3264.

Although we can remove all these unwanted PTs with HMR, I would avoid it because of number of rules which are already appiled on the SA. Example of SDP is shown below.


m=audio 11826 RTP/AVP 8 121 0 120 101

a=rtpmap:8 PCMA/8000

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