Re: [Linphone-users] Problems with SIP adresses

[Alastair Johnson]

On Tuesday 22 April 2008, Salvatore Del Popolo wrote:
> Hello,
> I experience the following problem using linphonec.
> linphonec correctly registers to the sip proxy. If I call a PSTN number,
> like "call 3295", all is ok. If I call a SIP address like "call
> sip:address@hidden", the peer heras me, but I don't hear the other
> peer. I modified audio_jitter_comp, rec_lev and play_lev parameters, but
> nothing changes.
> Could you give some hints?
> Thank you for your help.
> Ciao
> Salvo

Have you tried enabling debug output to see what's going on? My guess is that 
the RTP audio packets from the other user are being blocked by a firewall, or 
aren't making it through NAT somewhere. You don't describe the network 
configuration though, so it's hard to tell.