I also am having a problem when connecting two different numbers on the successful ZoIPer but no audio on the call. My system behind a firewall. I opened the firewall '' sip_any 5060 udp '' and rtp 10000-20000. asterisk 13, FreePBX 12 Hope everybody help

Continuing the discussion from [Solved] No Sound at all even in LAN:

Continuing the discussion from [Solved] No Sound at all even in LAN:

I also am having a problem when connecting two different numbers on the successful ZoIPer but no audio on the call. My system behind a firewall. I opened the firewall ‘’ sip_any 5060 udp ‘’ and rtp 10000-20000.
asterisk 13, FreePBX 12
Hope everybody help please . thank you very muchContinuing the discussion from [Solved] No Sound at all even in LAN: