[Serusers] mediaproxy problem

Zeus Ng zeus.ng at isquare.com.au
Thu Sep 30 11:12:27 CEST 2004


Kun,

Without ser.cfg and ngrep dump from the ser server, the only thing I can say
is your nat handling logic is not properly setup. SER try to forward your
INVITE request to callee on the port that was blocked by the NAT device.

Zeus

> -----Original Message-----
> From: ?£ठ[mailto:haoniukun at sohu.com] 
> Sent: Thursday, 30 September 2004 6:38 PM
> To: Zeus Ng
> Subject: Re:RE: [Serusers] mediaproxy problem
> 
> 
> 
> Dear Zeus,
> 
> Thanks for your reply,
> Yes, I make myself understand. I'm trying to call myself.
> I'm using the mediaproxy. But I don't know exactly why a user 
> behind a firewall can't contact a user behind another 
> firewall. I can get the 404 error if the user doesn't exist. 
> But when I call some user exist like myself, I always get 100 
> trying message, after i get 408 error. Would you mind tell me 
> how this problem would happen?
> 
> Thanks in advance.
> 
> Sincerely,
> Kun
> 
> 
> -----  原文  -----
> From: Zeus Ng 
> To: '?£à¤' 
> Cc: serusers at lists.iptel.org 
> Subject: RE: [Serusers] mediaproxy problem
> Sent: Wed Sep 29 20:38:32 CST 2004
> 
> > 
> > Are you saying you can't call yourself? Is it the question 
> you want to 
> > ask?
> > 
> > The contact address <sip:8103 at ipaddress1:5060> is either 
> wrong or you 
> > have made some mistake in obfuscation. It should be 
> > <sip:8103 at ipaddress2:5060>. For former case, correct that address 
> > first. For the second case, send in the ser.cfg and dump without 
> > obfuscation. BTW, your IP obfuscation is somewhat broken as 
> we can see 
> > that the client private IP is 192.168.1.13 and the public IP is 
> > 219.137.9.30.
> > 
> > Zeus
> > 
> > > -----Original Message-----
> > > From: serusers-bounces at lists.iptel.org
> > > [mailto:serusers-bounces at lists.iptel.org] On Behalf Of ?£à¤
> > > Sent: Wednesday, 29 September 2004 5:55 PM
> > > To: serusers at lists.iptel.org
> > > Subject: [Serusers] mediaproxy problem
> > > 
> > > 
> > > 
> > > Dear sirusers,
> > > The following is my log file kept by x-lite.
> > > 
> > > SEND TIME: 15466254
> > > SEND >> ipaddress1:5060
> > > INVITE sip:8103 at ipaddress1 SIP/2.0
> > > Via: SIP/2.0/UDP ip
> > > address2:5060;rport;branch=z9hG4bKEA15D2B6122C11D9B04300E04CEE03A2
> > > From: 8103 <sip:8103 at ip address1>;tag=1235055289
> > > To: <sip:8103 at ip address1>
> > > Contact: <sip:8103 at ipaddress1:5060>
> > > Call-ID: EA15D2B5-122C-11D9-B043-00E04CEE03A2 at 192.168.1.13
> > > CSeq: 52555 INVITE
> > > Max-Forwards: 70
> > > Content-Type: application/sdp
> > > User-Agent: X-Lite release 1103m
> > > Content-Length: 137
> > > 
> > > v=0
> > > o=8103 15466182 15466249 IN IP4 ipaddress2
> > > s=X-Lite
> > > c=IN IP4 ipaddress2
> > > t=0 0
> > > m=audio 8000 RTP/AVP 0
> > > a=rtpmap:0 pcmu/8000
> > > 
> > > RECEIVE TIME: 15466262
> > > RECEIVE << ipaddress1:5060
> > > SIP/2.0 100 trying -- your call is important to us
> > > Via: SIP/2.0/UDP
> > > ipaddress2:5060;rport=19465;branch=z9hG4bKEA15D2B6122C11D9B043
> > > 00E04CEE03A2
> > > From: 8103 <sip:8103 at ipaddress1>;tag=1235055289
> > > To: <sip:8103 at ipaddress1>
> > > Call-ID: EA15D2B5-122C-11D9-B043-00E04CEE03A2 at 192.168.1.13
> > > CSeq: 52555 INVITE
> > > Server: Sip EXpress router (0.8.14 (i386/linux))
> > > Content-Length: 0
> > > Warning: 392 ipaddress1:5060 "Noisy feedback tells:  pid=2307 
> > > req_src_ip=219.137.9.30 req_src_port=19465 
> > > in_uri=sip:8103 at ipaddress2 out_uri=sip:8103 at ipaddress2:5060 
> > > via_cnt==1"
> > > 
> > > I use the URI to call back to myself. But it just try. I
> > > wonder if this happens when the NAT was set improperly. If 
> > > so,how can I make some changes?
> > > 
> > > Thanks in advance.
> > > 
> > > Sincerely,
> > > Kun
> > > 
> > > _______________________________________________
> > > Serusers mailing list
> > > serusers at lists.iptel.org http://lists.iptel.org/mailman/listinfo/serusers
> > > 
> > 
> 




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