[Asterisk-Users] sip no sound?

[Altus Snyman]

Good day all
So I've installed asterisk with my openline4 card and I've setup sip and
I can do sip on the local network,we are using soft clients,x-lite.
But...
When a call comes in from the outside(PSTN) and the you dial the
extension it forwards the call the the client and you see incoming call
on x-lite,you accept he call....BUT there is no sound.It shows there is
a call and you are connected but there is no sound
Any Idea Please Help
Thanks
Altus