rams ran wrote: > Hi Benny, > > *case1* pjsip ver8.0 on symbian is registered fine Using Private IP > > *case2* when i used a Public IP in pjsip ver 8.0 on symbian it is > continuously registering and unregistering This could be cause by either (bug) authentication, or the pjsua_acc_config.auto_update_nat setting, which was new in 0.8.0 to make pjsua-lib works behind symmetric NATs. Could you make Wireshark capture of the packets? > In case1 i made a call from pjsip to expro client(PJSIP to expro) i got > one way > communication. > > i got the voice at pjsip side,but no voice at expro client side. Hear.. hear! Somebody has got voice on Symbian! > In Case1 i made a call from pjsip to pjsip, no voice at both sides.but > rtp flow is there Did you see anything peculiar in the log (on the PC side)? Perhaps could you make Wireshark capture of both the SIP and RTP traffic? cheers, -benny > regards > rams