-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Alex Balashov Sent: 03 June 2007 18:30 To: Asterisk Users Mailing List - Non-Commercial Discussion Subject: Re: [asterisk-users] SIP Options Reply Ignored
On Sun, 3 Jun 2007, Ian Clough wrote: > The problem comes when I try to use a SIP phone at home (also behind a > NAT router). The phone registers correctly and I can see the SIP OPTONS > packets being sent to the phone (SNOM 190). I can see an OK reply being > received by Asterisk (using SIP DEBUG). However the OK reply appears to > be ignored and a retransmission is made and the phone is marked as > UNREACHABLE and will not accept any calls. Alex> Wait, so this is the phone registering to Asterisk? Any inconsistencies Alex> in the source/destination ports vis-a-vis the NAT state pinholes? -- Alex Balashov Evariste Systems Web : http://www.evaristesys.com/ Tel : +1-678-954-0670 Direct : +1-678-954-0671 Yes once the phone registers OK asterisk sends the OPTIONS packets (qualify=yes) This is an example. It shows asterisk reading a reply from by phone to transmission #3 and then sending retransmission #4 intechdial*CLI> <--- SIP read from xxx.xxx.xxx.xxx:2057 ---> SIP/2.0 200 OK Via: SIP/2.0/UDP 207.13.251.93:5060;branch=z9hG4bK24ffe501;rport=40804 From: "asterisk" <sip:[EMAIL PROTECTED]>;tag=as35e434f3 To: <sip:[EMAIL PROTECTED]:2057;line=15aykp4d> Call-ID: [EMAIL PROTECTED] CSeq: 102 OPTIONS Contact: <sip:[EMAIL PROTECTED]:2057;line=15aykp4d> User-Agent: snom190/3.60x Accept-Language: en Accept: application/sdp Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO Allow-Events: talk, hold, refer Supported: timer, 100rel, replaces Content-Length: 0 <-------------> --- (14 headers 0 lines) --- Retransmitting #4 (NAT) to xxx.xxx.xxx.xxx:2057: OPTIONS sip:[EMAIL PROTECTED]:2057;line=15aykp4d SIP/2.0 Via: SIP/2.0/UDP yyy.yyy.yyy.yyy:5060;branch=z9hG4bK24ffe501;rport Max-Forwards: 70 From: "asterisk" <sip:[EMAIL PROTECTED]>;tag=as35e434f3 To: <sip:[EMAIL PROTECTED]:2057;line=15aykp4d> Contact: <sip:[EMAIL PROTECTED]> Call-ID: [EMAIL PROTECTED] CSeq: 102 OPTIONS User-Agent: Asterisk PBX SVN-trunk-r63567 Date: Thu, 31 May 2007 11:01:26 GMT Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY Supported: replaces Content-Length: 0 Where xxx.xxx.xxx.xxx is the external address of my home router Yyy.yyy.yyy.yyy is the external address of the office router 207.13.251.93 is the internal address of the asterisk server 192.168.1.50 is the internal address of the phone Ian C _______________________________________________ --Bandwidth and Colocation provided by Easynews.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
