I am very thankful to you people for helping me as much i imagine but i still need your help, problem is that i am not be able to dial from my analog phone conected to fxs card to my sip phone i change my configs but still no result. sip.conf [general] port=5060 bindaddr=192.168.10.193 allow=all [101] username=101 type=friend secret=12345678 host=dynamic context=from-sip callerid="101"<101> defaultip=192.168.10.176 extensions.conf [globals] 101=SIP/101 [incoming] exten => s,1,Dial(Zap/1,20) exten => s,2,Goto(s-${DIALSTATUS},1) exten => s-NOANSWER,1,Voicemail(u${announce}) exten => s-NOANSWER,2,Goto(incoming,s,1) exten => s,3,NoOp,$(CALLERID) include => outgoing include => from-sip callerid=yes [outgoing] exten => _NXXXXXX,1,Dial/Zap/4/${EXTEN:0} exten => _0NXXXXXXXX,1,Dial,Zap/4/${EXTEN:0} exten => _0NXXXXXXXXX,1,Dial,Zap/4/${EXTEN:0} exten => _0NXXXXXXXXXX,1,Dial,Zap/4/${EXTEN:0} exten => 101,1,Dial(101,20) include => from-sip include => incoming [sip] exten => 101,1,Dial(${101,20}) exten => 101,2,VoicemailMain exten => 101,3,Hangup include => outgoing include => from-sip here are the console output : :-X ). *cli> --Starting simple switch on 'Zap/1-1' Executing Dial(" "," ") in new stack Called 101 chan_sip.c:497 retrans_pkt: Maximum retries exceeded on call xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx@192.168.10.193 for seqnp 102 (Request) No one is available to answer qt this time Executing VoiceMailMain(" ","") in new stack Playing 'vm-login' (language 'en' ) chan_sip.c:497 retrans_pkt: Maximum retries exceeded on call xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx@192.168.10.193 for seqnp 102 (Request) Username not entered Executing Hangup(" ","") in new stack Spawn Extension (outgoing , 101, 3) exited non-zero on 'Zap/1-1' Hangup 'Zap/1-1' Thanks in Advance.