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<p class=MsoNormal><span lang=EN-US>Hello list.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>I know that probably this questions is more
related to the SIP protocol, but is causing me problems and this is a very
supportive list.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>I’m using a HT-286 from Grandstream
behind NAT.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>This is the REGISTER sequence : <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>U 200.120.46.99:29786 ->
200.100.154.35:5060<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>REGISTER sip:myproxy.mydomain.net SIP/2.0.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Via: SIP/2.0/UDP
192.168.1.100;branch=z9hG4bKafcb21cb60db91bb.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>From:
<sip:5501234567@myproxy.mydomain.net;user=phone>;tag=478555f337ca8f10.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>To:
<sip:5501234567@myproxy.mydomain.net;user=phone>.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Contact: *.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Supported: replaces, timer.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Call-ID: a51e541e3b0f66fd@192.168.1.100.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>CSeq: 100 REGISTER.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Expires: 0.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>User-Agent: Grandstream HT287 1.1.0.42
DevId 000b822197fe.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Max-Forwards: 70.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Allow:
INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE,UPDATE.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Content-Length: 0.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>U 200.100.154.35:5060 ->
200.120.46.99:5060<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>SIP/2.0 100 Trying.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Via: SIP/2.0/UDP
192.168.1.100;branch=z9hG4bKafcb21cb60db91bb;received=200.120.46.99.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>From:
<sip:5501234567@myproxy.mydomain.net;user=phone>;tag=478555f337ca8f10.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>To: <sip:5501234567@myproxy.mydomain.net;user=phone>.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Call-ID: a51e541e3b0f66fd@192.168.1.100.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>CSeq: 100 REGISTER.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Server: Sip EXpress router (0.9.3
(i386/linux)).<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Content-Length: 0.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Warning: 392 200.100.154.35:5060
"Noisy feedback tells: pid=29777 req_src_ip=200.120.46.99 req_src_port=29786
in_uri=sip:myproxy.mydomain.net out_uri=sip:myproxy.mydomain.net
via_cnt==1".<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>U 200.100.154.35:5060 ->
200.120.46.99:5060<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>SIP/2.0 401 Unauthorized.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Via: SIP/2.0/UDP
192.168.1.100;branch=z9hG4bKafcb21cb60db91bb;received=200.120.46.99.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>From: <sip:5501234567@myproxy.mydomain.net;user=phone>;tag=478555f337ca8f10.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>To:
<sip:5501234567@myproxy.mydomain.net;user=phone>;tag=6eb14299de2cc731d173c135064daec5.1fe9.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Call-ID: a51e541e3b0f66fd@192.168.1.100.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>CSeq: 100 REGISTER.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>WWW-Authenticate: Digest realm="myproxy.mydomain.net",
nonce="4b30e9281c52f640a2713c3011bb835d06005946",
qop="auth".<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Server: Sip EXpress router (0.9.3
(i386/linux)).<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Content-Length: 0.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Warning: 392 200.100.154.35:5060
"Noisy feedback tells: pid=29777 req_src_ip=200.120.46.99 req_src_port=29786
in_uri=sip:myproxy.mydomain.net out_uri=sip:myproxy.mydomain.net
via_cnt==1".<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>As you can see the initial REGISTER has a
Contact header like this : <br>
<br>
<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Contact: *.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Is this ok?. Is this ok by RFC?<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>What does this means?<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>In my cfg file I have : <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>route[2] {<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>
# -----------------------------------------------------------------<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>
# REGISTER Message Handler<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>
# -----------------------------------------------------------------<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>
sl_send_reply("100", "Trying");<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>
if (!search("^Contact:\ +\*") &&
client_nat_test("7")) {<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>
setflag(6);<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>
fix_nated_register();<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>
force_rport();<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>
};<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>So I think is not matching the regexp “(!search("^Contact:\
+\*")” therefore is not fixing the contact.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Any ideas?<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Ricardo.-<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><o:p> </o:p></p>
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