[VoiceOps] RTP Proxy TTL Behavior

Jeff Anderson ciscoplumber at gmail.com
Mon Feb 11 10:04:22 EST 2019

We are occasionally running into a situation where our IP Header TTL
expires in transit for RTP streams. It has been our observation that our
SBC B2BUA that anchors media is not resetting the TTL on RTP packets but is
on SIP packets.

Is there a standard expected behavior for how SBC B2BUA with media
anchoring might handle RTP packets? I would have thought if it resets the
SIP packet TTL it would also reset the RTP packet TTL.

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