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Teams ReInvite issue -- one way speech

in Acme Packet (MOSC) 25 commentsAnswered

Hi guys,

I have a case of one way speech with Microsoft Teams after the SBC send a reInvite with a new port. Teams is still sending after the RTP to the old port.

My flow is:

Teams <> SBC <> SA1 -- refer <> SBC <> SA2


Teams calls SA1 through the SBC. This is an IVR and after we press 1 we are redirected to another number on SA2. SA1 is sending a REFER and the SBC is managing and send an INVITE to SA2. When SA2 is connected it send a reInvite to Teams and change the port.

After that the user from SA2 do not hear us as Teams is sending the RTP to the old port even if it accepting the reInvite. Teams hear perfect the other party.

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