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SIP Pre-emptive Symmetric Media Latching

edited Oct 16, 2018 1:34PM in Acme Packet (MOSC) 2 commentsAnswered

Hello,

I have a number of Session Agents that are behind NAT'd firewalls and require "symmetric-latching" to be enabled for RTP to properly flow.

Recently we ran into an issue where a call was being forwarded by the far side media server and both the Acme and far-side SBC were waiting for RTP.

It seems that changing "symmetric-latching enabled" to "symmetric-latching pre-emptive" should fix this issue.

My question is if there is any reason why not to always use pre-emptive instead of enabled.

What are the possible side effects of using pre-emptive instead of enabled?

Thank you,

Abe

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