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IP Telephony - NBX
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NBX V3000 conference call issues

mike_onan
Occasional Visitor

NBX V3000 conference call issues

I have a customer with a v3000 running on 6_5_22_p03. When they do a conference call after they conference the other party in they have no audio. Meaning the NBX user calls two off site people when the NBX user hits conference he can not hear but the two other people can hear him fine.One user hangs up and he can now hear them again. This is on every phone on site. Any ideas PLEASE help?

1 REPLY
bosoxfan
Trusted Contributor

Re: NBX V3000 conference call issues

Conferencing uses multicast. .so it sounds like Layer 3 multicast is not turned on  on the switches.