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One-way hearing Avaya

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VladimirS

Systems Engineer
Nov 16, 2022
5
KZ


Sometimes, when making calls inside one Avaya server, one-way audibility occurs. When dialing again, users hear each other in both directions. The problem is not with the specific numbers, but always with different ones, and everything is fine when resetting and re-dialing.
Please tell me the possible reasons and what kind of checks should be done first?
 
Firewall issue. Ensure your firewall allows the traffic from each media server/media gateway, along with all phone subnets.
 
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