[VoiceOps] International call "looping" post-call?

mgraves mstvp.com mgraves at mstvp.com
Thu Apr 18 14:22:11 EDT 2019

Mark -

We've had that very experience reported by conference call participants connecting from Jamaica. Further, if the call stays up a long while, as is common with a con call, the looped audio may repeat periodically. Crazy stuff.

Michael Graves
mgraves at zipdx.com
mgraves at mstvp.com<mailto:mgraves at mstvp.com>
o(713) 861-4005
c(713) 201-1262
sip:mgraves at mjg.onsip.com
skype mjgraves

From: VoiceOps <voiceops-bounces at voiceops.org> On Behalf Of Mark Wiles
Sent: Thursday, April 18, 2019 1:09 PM
To: voiceops at voiceops.org
Subject: [VoiceOps] International call "looping" post-call?

A customer came to me with a somewhat strange problem.

He reports they'll be on a phone call to Jamaica (or other World Zone 1 / International destination).
The called party will end the call... and he'll report hearing the last 15-30'ish seconds of the conversation "looped".

It almost sounds like someone's maybe doing TCP on the RTP, and something screwy going on with the packetization.

Anyone else heard of this or have a theory?



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