Problem to establish SIP call on Windows 2003

[Anonymous]

I installed the beta 3 on a server based with windows 2003 and work all fine, but when i try to call an extension there is no sound.

Then i installed on my PC running Windows XP and its work without problem what is can be?

Any ideas...??

i appreciated any help.

 

[N_G]

No sound - firewall problem

Does the phone ring but you dont hear the other person? If yes this points to a problem with the actual RTPsession, i.e the voice stream. It could be blocked by a firewall on the Windows 2003 server?

 

[Anonymous]

thnks for the reply, i found the problem and it is that if the server are in a different subnet of the SIP users there are no sound...
i installed a VPN to connect both networks and work without a problem but there is no other way to solve this issue?