Calls with no voice

[cow101]

Hello, I have a 2 locations and my "out of LAN" phones can call and connect but there is no voice, it is a firewall problem when I disable the firewall everthing works fine. I need to know what ports should I open.

 

[varietel]

Minimum
ports 5060 TCP/UCP
port 9000 - 9049 UDP
Check the following blog site for all the ports
http://www.3cx.com/blog/docs/ports-used/

Roger Partovi
Varietel Communications
Certified 3CX Partner
801-889-1414

 

[eagle2]

Have you checked also 'PBX delivers audio' ON for these extensions ?
The problem with audio could be peer-to-peer related.

Regards.

 

[willow]

make sure that 9000 to 9049 (usually the defautes) UDP are open and not blocked.