[asterisk-users] RTP (voice) issue. STUN server

[Oleg Botvinkin]

Hi,all
I configured two Asterisk PBXs: 1.4.X and 1.6.X. All relevant ports are
opened, externip is configured in sip.conf. I think, that all relevant
configurations are checked. But, no voice hear between local and remote
extension. What I need to check, configure in router and PBX for resolving
this issue ?
How I can to install and configure STUN server ?
Thanks,
Oleg
.
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