There is a theory that says that jitter buffers should not be used until the end of the voice path where jitter might be introduced. With that in mind, and in this scenario, the jitter buffers should reside at the ATA and media gateway;
ATA (SIP UA) <> ASTERISK NATIVE BRIDGE <> MEDIA GATEWAY (SIP TO TDM) That raises a question about the Asterisk Native Bridge; Are the UDP RTP packets bridged in such a way that out of order packet arrivals between the ATA and asterisk can still be buffered and corrected at the media gateway, or are the RTP sequence numbers re-written by the Asterisk native bridge so the media gateway is now unaware that they are not in the same order as they were initially transmitted? Anyone know the answer? Has it been validated with packet captures, or code review? Thanks a bunch! Damon
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