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<DIV dir=ltr align=left><SPAN class=255362215-17022006><FONT face=Arial
color=#0000ff size=2>Try turning off iptables (firewall)
service.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=255362215-17022006><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=255362215-17022006><FONT face=Arial
color=#0000ff size=2>MD</FONT></SPAN></DIV><BR>
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<FONT face=Tahoma size=2><B>From:</B> asterisk-users-bounces@lists.digium.com
[mailto:asterisk-users-bounces@lists.digium.com] <B>On Behalf Of </B>Abhimanyu
Rapria<BR><B>Sent:</B> Friday, February 17, 2006 2:19 AM<BR><B>To:</B>
asterisk-users@lists.digium.com<BR><B>Subject:</B> [Asterisk-Users] SIP Problem
Fedora Core 4 and Asterisk 1.2.4<BR></FONT><BR></DIV>
<DIV></DIV>Fedora:<BR>Linux abcde 2.6.11-1.1369_FC4 #1 Thu Jun 2 22:55:56 EDT
2005 i686 i686 i386 GNU/Linux<BR><BR><BR>Asterisk: 1.2.4<BR><BR>SIP
Problem<BR><SPAN style="FONT-WEIGHT: bold">1. Asterisk sends SIP messages to
Softphone. <BR>2. Softphone receives SIP messages and replys back.<BR>3.
Asterisk doesn't receive these replies and keeps on sending.<BR></SPAN><BR><SPAN
style="FONT-WEIGHT: bold">Asterisk:</SPAN><BR>Reliably Transmitting (no NAT) to
<A href="http://192.168.1.4:5060">192.168.1.4:5060</A>:<BR>OPTIONS sip:<A
href="http://192.168.1.4">192.168.1.4</A> SIP/2.0<BR>Via: SIP/2.0/UDP <A
href="http://192.168.1.10:5060">192.168.1.10:5060</A>;branch=z9hG4bK17299c89;rport
<BR>From: "asterisk" <<A
href="mailto:sip:asterisk@192.168.1.10">sip:asterisk@192.168.1.10</A>>;tag=as1ab4b0c6<BR>To:
<sip:<A href="http://192.168.1.4">192.168.1.4</A>><BR>Contact: <<A
href="mailto:sip:asterisk@192.168.1.10">
sip:asterisk@192.168.1.10</A>><BR>Call-ID: <A
href="mailto:2285e5551ca492cf6d3f6a8f52949df7@192.168.1.10">2285e5551ca492cf6d3f6a8f52949df7@192.168.1.10</A><BR>CSeq:
102 OPTIONS<BR>User-Agent: Asterisk PBX<BR>Max-Forwards: 70 <BR>Date: Fri, 17
Feb 2006 07:13:32 GMT<BR>Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER,
SUBSCRIBE, NOTIFY<BR>Content-Length: 0<BR><BR><BR>---<BR>Retransmitting #1 (no
NAT) to <A href="http://192.168.1.4:5060">192.168.1.4:5060 </A>:<BR>OPTIONS
sip:<A href="http://192.168.1.4">192.168.1.4</A> SIP/2.0<BR>Via: SIP/2.0/UDP <A
href="http://192.168.1.10:5060">192.168.1.10:5060</A>;branch=z9hG4bK17299c89;rport<BR>From:
"asterisk" <<A href="mailto:sip:asterisk@192.168.1.10">
sip:asterisk@192.168.1.10</A>>;tag=as1ab4b0c6<BR>To: <sip:<A
href="http://192.168.1.4">192.168.1.4</A>><BR>Contact: <<A
href="mailto:sip:asterisk@192.168.1.10">sip:asterisk@192.168.1.10</A>><BR>Call-ID:
<A
href="mailto:2285e5551ca492cf6d3f6a8f52949df7@192.168.1.10">2285e5551ca492cf6d3f6a8f52949df7@192.168.1.10</A><BR>CSeq:
102 OPTIONS<BR>User-Agent: Asterisk PBX<BR>Max-Forwards: 70<BR>Date: Fri, 17 Feb
2006 07:13:32 GMT<BR>Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE,
NOTIFY <BR>Content-Length: 0<BR>vicidial3*CLI><BR><BR>---<BR>Retransmitting
#2 (no NAT) to <A
href="http://192.168.1.4:5060">192.168.1.4:5060</A>:<BR>OPTIONS sip:<A
href="http://192.168.1.4">192.168.1.4</A> SIP/2.0<BR>Via: SIP/2.0/UDP <A
href="http://192.168.1.10:5060">192.168.1.10:5060</A>;branch=z9hG4bK17299c89;rport<BR>From:
"asterisk" <<A
href="mailto:sip:asterisk@192.168.1.10">sip:asterisk@192.168.1.10</A>>;tag=as1ab4b0c6<BR>To:
<sip: <A href="http://192.168.1.4">192.168.1.4</A>><BR>Contact: <<A
href="mailto:sip:asterisk@192.168.1.10">sip:asterisk@192.168.1.10</A>><BR>Call-ID:
<A
href="mailto:2285e5551ca492cf6d3f6a8f52949df7@192.168.1.10">2285e5551ca492cf6d3f6a8f52949df7@192.168.1.10
</A><BR>CSeq: 102 OPTIONS<BR>User-Agent: Asterisk PBX<BR>Max-Forwards:
70<BR>Date: Fri, 17 Feb 2006 07:13:32 GMT<BR>Allow: INVITE, ACK, CANCEL,
OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY<BR>Content-Length: 0<BR>vicidial3*CLI>
<BR><BR>---<BR>Retransmitting #3 (no NAT) to <A
href="http://192.168.1.4:5060">192.168.1.4:5060</A>:<BR>OPTIONS sip:<A
href="http://192.168.1.4">192.168.1.4</A> SIP/2.0<BR>Via: SIP/2.0/UDP <A
href="http://192.168.1.10:5060">192.168.1.10:5060</A>;branch=z9hG4bK17299c89;rport<BR>From:
"asterisk" <<A
href="mailto:sip:asterisk@192.168.1.10">sip:asterisk@192.168.1.10</A>>;tag=as1ab4b0c6<BR>To:
<sip:<A href="http://192.168.1.4"> 192.168.1.4</A>><BR>Contact: <<A
href="mailto:sip:asterisk@192.168.1.10">sip:asterisk@192.168.1.10</A>><BR>Call-ID:
<A
href="mailto:2285e5551ca492cf6d3f6a8f52949df7@192.168.1.10">2285e5551ca492cf6d3f6a8f52949df7@192.168.1.10
</A><BR>CSeq: 102 OPTIONS<BR>User-Agent: Asterisk PBX<BR>Max-Forwards:
70<BR>Date: Fri, 17 Feb 2006 07:13:32 GMT<BR>Allow: INVITE, ACK, CANCEL,
OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY<BR>Content-Length: 0<BR>vicidial3*CLI>
<BR><BR>---<BR>Retransmitting #4 (no NAT) to <A
href="http://192.168.1.4:5060">192.168.1.4:5060</A>:<BR>OPTIONS sip:<A
href="http://192.168.1.4">192.168.1.4</A> SIP/2.0<BR>Via: SIP/2.0/UDP <A
href="http://192.168.1.10:5060">192.168.1.10:5060</A>;branch=z9hG4bK17299c89;rport<BR>From:
"asterisk" <<A
href="mailto:sip:asterisk@192.168.1.10">sip:asterisk@192.168.1.10</A>>;tag=as1ab4b0c6<BR>To:
<sip:<A href="http://192.168.1.4"> 192.168.1.4</A>><BR>Contact: <<A
href="mailto:sip:asterisk@192.168.1.10">sip:asterisk@192.168.1.10</A>><BR>Call-ID:
<A
href="mailto:2285e5551ca492cf6d3f6a8f52949df7@192.168.1.10">2285e5551ca492cf6d3f6a8f52949df7@192.168.1.10
</A><BR>CSeq: 102 OPTIONS<BR>User-Agent: Asterisk PBX<BR>Max-Forwards:
70<BR>Date: Fri, 17 Feb 2006 07:13:32 GMT<BR>Allow: INVITE, ACK, CANCEL,
OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY<BR>Content-Length: 0<BR>vicidial3*CLI>
<BR><BR>---<BR>Destroying call '<A
href="mailto:2285e5551ca492cf6d3f6a8f52949df7@192.168.1.10">2285e5551ca492cf6d3f6a8f52949df7@192.168.1.10</A>'<BR><BR><BR><SPAN
style="FONT-WEIGHT: bold">Softphone:<BR></SPAN><BR><BR>RECEIVE TIME: 7187271
<BR>RECEIVE << <A
href="http://192.168.1.10:5060">192.168.1.10:5060</A><BR>OPTIONS sip:<A
href="http://192.168.1.4">192.168.1.4</A> SIP/2.0<BR>Via: SIP/2.0/UDP <A
href="http://192.168.1.10:5060">192.168.1.10:5060</A>
;branch=z9hG4bK26e7bd24;rport<BR>From: "asterisk" <<A
href="mailto:sip:asterisk@192.168.1.10">sip:asterisk@192.168.1.10</A>>;tag=as6f689e4c<BR>To:
<sip:<A href="http://192.168.1.4">192.168.1.4</A>><BR>Contact: <<A
href="mailto:sip:asterisk@192.168.1.10">sip:asterisk@192.168.1.10</A>><BR>Call-ID:
<A
href="mailto:273bfefe49de465562068a8f587715d8@192.168.1.10">273bfefe49de465562068a8f587715d8@192.168.1.10</A><BR>CSeq:
102 OPTIONS <BR>User-Agent: Asterisk PBX<BR>Max-Forwards: 70<BR>Date: Fri, 17
Feb 2006 07:18:12 GMT<BR>Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER,
SUBSCRIBE, NOTIFY<BR>Content-Length: 0<BR><BR><BR>RECEIVE TIME:
7188270<BR>RECEIVE << <A
href="http://192.168.1.10:5060">192.168.1.10:5060</A><BR>OPTIONS sip:<A
href="http://192.168.1.4">192.168.1.4</A> SIP/2.0<BR>Via: SIP/2.0/UDP <A
href="http://192.168.1.10:5060">192.168.1.10:5060</A>;branch=z9hG4bK26e7bd24;rport
<BR>From: "asterisk" <<A
href="mailto:sip:asterisk@192.168.1.10">sip:asterisk@192.168.1.10</A>>;tag=as6f689e4c<BR>To:
<sip:<A href="http://192.168.1.4">192.168.1.4</A>><BR>Contact: <<A
href="mailto:sip:asterisk@192.168.1.10">
sip:asterisk@192.168.1.10</A>><BR>Call-ID: <A
href="mailto:273bfefe49de465562068a8f587715d8@192.168.1.10">273bfefe49de465562068a8f587715d8@192.168.1.10</A><BR>CSeq:
102 OPTIONS<BR>User-Agent: Asterisk PBX<BR>Max-Forwards: 70 <BR>Date: Fri, 17
Feb 2006 07:18:12 GMT<BR>Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER,
SUBSCRIBE, NOTIFY<BR>Content-Length: 0<BR><BR><BR>RECEIVE TIME:
7189270<BR>RECEIVE << <A href="http://192.168.1.10:5060">192.168.1.10:5060
</A><BR>OPTIONS sip:<A href="http://192.168.1.4">192.168.1.4</A> SIP/2.0<BR>Via:
SIP/2.0/UDP <A
href="http://192.168.1.10:5060">192.168.1.10:5060</A>;branch=z9hG4bK26e7bd24;rport<BR>From:
"asterisk" <<A href="mailto:sip:asterisk@192.168.1.10">
sip:asterisk@192.168.1.10</A>>;tag=as6f689e4c<BR>To: <sip:<A
href="http://192.168.1.4">192.168.1.4</A>><BR>Contact: <<A
href="mailto:sip:asterisk@192.168.1.10">sip:asterisk@192.168.1.10</A>><BR>Call-ID:
<A
href="mailto:273bfefe49de465562068a8f587715d8@192.168.1.10">273bfefe49de465562068a8f587715d8@192.168.1.10</A><BR>CSeq:
102 OPTIONS<BR>User-Agent: Asterisk PBX<BR>Max-Forwards: 70<BR>Date: Fri, 17 Feb
2006 07:18:12 GMT<BR>Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE,
NOTIFY <BR>Content-Length: 0<BR><BR><BR>RECEIVE TIME: 7190270<BR>RECEIVE
<< <A href="http://192.168.1.10:5060">192.168.1.10:5060</A><BR>OPTIONS
sip:<A href="http://192.168.1.4">192.168.1.4</A> SIP/2.0<BR>Via: SIP/2.0/UDP <A
href="http://192.168.1.10:5060">192.168.1.10:5060</A>;branch=z9hG4bK26e7bd24;rport<BR>From:
"asterisk" <<A
href="mailto:sip:asterisk@192.168.1.10">sip:asterisk@192.168.1.10</A>>;tag=as6f689e4c<BR>To:
<sip:<A href="http://192.168.1.4"> 192.168.1.4</A>><BR>Contact: <<A
href="mailto:sip:asterisk@192.168.1.10">sip:asterisk@192.168.1.10</A>><BR>Call-ID:
<A
href="mailto:273bfefe49de465562068a8f587715d8@192.168.1.10">273bfefe49de465562068a8f587715d8@192.168.1.10
</A><BR>CSeq: 102 OPTIONS<BR>User-Agent: Asterisk PBX<BR>Max-Forwards:
70<BR>Date: Fri, 17 Feb 2006 07:18:12 GMT<BR>Allow: INVITE, ACK, CANCEL,
OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY<BR>Content-Length: 0<BR><BR><BR>RECEIVE
TIME: 7191269 <BR>RECEIVE << <A
href="http://192.168.1.10:5060">192.168.1.10:5060</A><BR>OPTIONS sip:<A
href="http://192.168.1.4">192.168.1.4</A> SIP/2.0<BR>Via: SIP/2.0/UDP <A
href="http://192.168.1.10:5060">192.168.1.10:5060</A>
;branch=z9hG4bK26e7bd24;rport<BR>From: "asterisk" <<A
href="mailto:sip:asterisk@192.168.1.10">sip:asterisk@192.168.1.10</A>>;tag=as6f689e4c<BR>To:
<sip:<A href="http://192.168.1.4">192.168.1.4</A>><BR>Contact: <<A
href="mailto:sip:asterisk@192.168.1.10">sip:asterisk@192.168.1.10</A>><BR>Call-ID:
<A
href="mailto:273bfefe49de465562068a8f587715d8@192.168.1.10">273bfefe49de465562068a8f587715d8@192.168.1.10</A><BR>CSeq:
102 OPTIONS <BR>User-Agent: Asterisk PBX<BR>Max-Forwards: 70<BR>Date: Fri, 17
Feb 2006 07:18:12 GMT<BR>Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER,
SUBSCRIBE, NOTIFY<BR>Content-Length: 0<SPAN style="FONT-WEIGHT: bold"><SPAN
style="FONT-WEIGHT: bold"> <BR></SPAN></SPAN></BODY></HTML>