Hi,
I think iptel.org uses SER and I'm able to register/make, receive calls through
it. So, the problem could be in your SER configuration.
Thanks.
Best Regards,
Hitesh
----- Original Message -----
From: Phan Van Duc
To: sipxtapi-dev
Sent: Monday, June 18, 2007 8:10 AM
Subject: [sipxtapi-dev] Help me in sipxtapi and NAT
I am using the sipXtapi library in a user agent.When running behind NAT (with
STUN and rport enabled)and registerwith ser 0.9.6(basic configuration).It
appears that the library detects the external address correctly and registered
successful. But I see in the
Register message, in Via and Contact field some strange things, hence when ser
send Invite messagefor Calling, the user agent do not received Invite message
because the port ser send Invite touser agent do not match with the port user
agent listen to.
1. sipxtapi(sipEzphone or CrossTalk):Received stun message from stun server
(Vovida stun server):Attribute: MAPPED-ADDRESS Attribute Type:
MAPPED-ADDRESS (0x0001) Port: 28766 IP:
222.255.15.252 (222.255.15.252)Send Register message to ser:Via: SIP/2.0/UDP
222.255.15.252:28766;branch=z9hG4bK-bdec6870a8f0;rport
2. Ser reply trying message:Via: SIP/2.0/UDP
222.255.15.252:28766;branch=z9hG4bK-bdec6870a8f0;rport=37171Warning: 392
xxx.xxx.xxx.xxx:5060 "Noisy feedback tells: pid=29560 req_src_ip=
222.255.15.252 req_src_port=37171 in_uri=sip:xxx.xxx.xxx.xxx
out_uri=sip:xxx.xxx.xxx.xxx via_cnt==1"3. sipxtapi send Register message with
Authorization:Via: SIP/2.0/UDP
222.255.15.252:37171;branch=z9hG4bK-16af3dfa110f;rportAs above, ser will send
Invite or Bye message to user agent in 222.255.15.252:37171
, of course user agent using sipxtapi can not receive these message.Can I make
the change in sipxtapi or ser config? plz help me.Thanks in advance,Phan Duc
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