[OpenSIPS-Users] NAT Problem using Nat helper

Bogdan-Andrei Iancu bogdan at voice-system.ro
Mon May 3 11:39:55 CEST 2010


Hi Ahmed,

as a hint, probably you do not handle correctly the case when only the 
callee is nated (caller is public) - for such cases, to see if rtpproxy 
is needed, after the lookup(location) the nat_bflag will will 
automatically set if the callee location is nated -> you can use that 
flag to detect the nated callee and to do the nat fixups -> force rtpp 
and fix the 200 ok from the callee (SDP and contact).

Regards,
Bogdan

Ahmed Munir wrote:
> Hi,
>
> Thanks for replying. Can you please check my configuration of OpenSIPs 
> what I posted on my previous digest i.e.Users Digest, Vol 21, Issue 146.
>
> Please point out in which section do I required to add 
> force_rtp_proxy(), because I already configured Nat on it. kindly 
> advise me soon.
>
> On Fri, Apr 30, 2010 at 11:35 AM, <users-request at lists.opensips.org 
> <mailto:users-request at lists.opensips.org>> wrote:
>
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>     Today's Topics:
>
>       1. Re: NAT Problem using Nat helper (Laszlo)
>
>
>     ----------------------------------------------------------------------
>
>     Message: 1
>     Date: Fri, 30 Apr 2010 08:35:00 +0200
>     From: Laszlo <laszlo at voipfreak.net <mailto:laszlo at voipfreak.net>>
>     Subject: Re: [OpenSIPS-Users] NAT Problem using Nat helper
>     To: OpenSIPS users mailling list <users at lists.opensips.org
>     <mailto:users at lists.opensips.org>>
>     Message-ID:
>          
>      <r2za950b2031004292335re52872d5tf60c9830c8c2155f at mail.gmail.com
>     <mailto:r2za950b2031004292335re52872d5tf60c9830c8c2155f at mail.gmail.com>>
>     Content-Type: text/plain; charset="iso-8859-1"
>
>     Hi Ahmed,
>
>     As you can see, the other party gets local ip in SDP
>
>     c=IN IP4 192.168.0.168.
>
>     You can try to play with flags:
>     http://www.opensips.org/html/docs/modules/1.6.x/nathelper.html#id229028
>
>     -Laszlo
>
>
>
>     2010/4/30 Ahmed Munir <ahmedmunir007 at gmail.com
>     <mailto:ahmedmunir007 at gmail.com>>
>
>     >
>     >
>     > Hi.
>     >
>     > Thanks for your reply, the traces are metioned below;
>     >
>     > U 203.215.176.22:55134 <http://203.215.176.22:55134> ->
>     11.22.33.44:5060 <http://11.22.33.44:5060>
>     > .
>     > .
>     > ..............
>     >
>     > U 81.201.82.45:5060 <http://81.201.82.45:5060> ->
>     11.22.33.44:5060 <http://11.22.33.44:5060>
>     > INVITE sip:1234567 at 11.22.33.44
>     <mailto:sip%3A1234567 at 11.22.33.44> <sip%3A1234567 at 11.22.33.44
>     <mailto:sip%253A1234567 at 11.22.33.44>> SIP/2.0.
>     > Call-ID: NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45
>     <mailto:NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45>.
>     > CSeq: 102 INVITE.
>     > From: "4572727220" <sip:4572727220 at voxbone.com
>     <mailto:sip%3A4572727220 at voxbone.com><sip%3A4572727220 at voxbone.com
>     <mailto:sip%253A4572727220 at voxbone.com>>
>     > >;tag=43772.
>     > To: <sip:1234567 at 11.22.33.44 <mailto:sip%3A1234567 at 11.22.33.44>
>     <sip%3A1234567 at 11.22.33.44 <mailto:sip%253A1234567 at 11.22.33.44>>>.
>     > Via: SIP/2.0/UDP 81.201.82.45:5060 <http://81.201.82.45:5060>
>     > ;branch=z9hG4bKdb42364564e21b159baaa8a741307ca0.
>     > Max-Forwards: 69.
>     > Content-Type: application/sdp.
>     > Contact: <sip:4572727220 at 81.201.82.45:5060;transport=udp>.
>     > User-Agent: Vox Callcontrol.
>     > Content-Length: 210.
>     > .
>     > v=0.
>     > o=root 13293 13293 IN IP4 81.201.82.146.
>     > s=session.
>     > c=IN IP4 81.201.82.146.
>     > t=0 0.
>     > m=audio 11458 RTP/AVP 8 0.
>     > a=rtpmap:8 PCMA/8000.
>     > a=rtpmap:0 PCMU/8000.
>     > a=silenceSupp:off - - - -.
>     > a=ptime:20.
>     > a=sendrecv.
>     >
>     >
>     > U 11.22.33.44:5060 <http://11.22.33.44:5060> ->
>     81.201.82.45:5060 <http://81.201.82.45:5060>
>     > SIP/2.0 100 Giving a try.
>     > Call-ID: NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45
>     <mailto:NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45>.
>     > CSeq: 102 INVITE.
>     > From: "4572727220" <sip:4572727220 at voxbone.com
>     <mailto:sip%3A4572727220 at voxbone.com><sip%3A4572727220 at voxbone.com
>     <mailto:sip%253A4572727220 at voxbone.com>>
>     > >;tag=43772.
>     > To: <sip:1234567 at 11.22.33.44 <mailto:sip%3A1234567 at 11.22.33.44>
>     <sip%3A1234567 at 11.22.33.44 <mailto:sip%253A1234567 at 11.22.33.44>>>.
>     > Via: SIP/2.0/UDP 81.201.82.45:5060 <http://81.201.82.45:5060>
>     > ;branch=z9hG4bKdb42364564e21b159baaa8a741307ca0;rport=5060.
>     > Server: OpenSIPS (1.6.1-notls (i386/linux)).
>     > Content-Length: 0.
>     > .
>     >
>     >
>     > U 11.22.33.44:5060 <http://11.22.33.44:5060> ->
>     203.215.176.22:55134 <http://203.215.176.22:55134>
>     > INVITE sip:4004 at 203.215.176.22:55134;rinstance=25bfe05618433c26
>     SIP/2.0.
>     > Record-Route: <sip:11.22.33.44;lr=on>.
>     > Call-ID: NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45
>     <mailto:NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45>.
>     > CSeq: 102 INVITE.
>     > From: "4572727220" <sip:4572727220 at voxbone.com
>     <mailto:sip%3A4572727220 at voxbone.com><sip%3A4572727220 at voxbone.com
>     <mailto:sip%253A4572727220 at voxbone.com>>
>     > >;tag=43772.
>     > To: <sip:1234567 at 11.22.33.44 <mailto:sip%3A1234567 at 11.22.33.44>
>     <sip%3A1234567 at 11.22.33.44 <mailto:sip%253A1234567 at 11.22.33.44>>>.
>     > Via: SIP/2.0/UDP 11.22.33.44;branch=z9hG4bK1c7c.78b70285.0.
>     > Via: SIP/2.0/UDP 81.201.82.45:5060 <http://81.201.82.45:5060>
>     >
>     ;rport=5060;received=81.201.82.45;branch=z9hG4bKdb42364564e21b159baaa8a741307ca0.
>     > Max-Forwards: 68.
>     > Content-Type: application/sdp.
>     > Contact: <sip:4572727220 at 81.201.82.45:5060;transport=udp>.
>     > User-Agent: Vox Callcontrol.
>     > Content-Length: 210.
>     > P-hint: usrloc applied.
>     > .
>     > v=0.
>     > o=root 13293 13293 IN IP4 81.201.82.146.
>     > s=session.
>     > c=IN IP4 81.201.82.146.
>     > t=0 0.
>     > m=audio 11458 RTP/AVP 8 0.
>     > a=rtpmap:8 PCMA/8000.
>     > a=rtpmap:0 PCMU/8000.
>     > a=silenceSupp:off - - - -.
>     > a=ptime:20.
>     > a=sendrecv.
>     >
>     >
>     > U 203.215.176.22:55134 <http://203.215.176.22:55134> ->
>     11.22.33.44:5060 <http://11.22.33.44:5060>
>     > SIP/2.0 180 Ringing.
>     > Via: SIP/2.0/UDP 11.22.33.44;branch=z9hG4bK1c7c.78b70285.0.
>     > Via: SIP/2.0/UDP 81.201.82.45:5060 <http://81.201.82.45:5060>
>     >
>     ;rport=5060;received=81.201.82.45;branch=z9hG4bKdb42364564e21b159baaa8a741307ca0.
>     > Record-Route: <sip:11.22.33.44;lr>.
>     > Contact: <sip:4004 at 203.215.176.22:55134;rinstance=25bfe05618433c26>.
>     > To: <sip:1234567 at 11.22.33.44 <mailto:sip%3A1234567 at 11.22.33.44>
>     <sip%3A1234567 at 11.22.33.44
>     <mailto:sip%253A1234567 at 11.22.33.44>>>;tag=611cee1e.
>     > From: "4572727220"<sip:4572727220 at voxbone.com
>     <mailto:sip%3A4572727220 at voxbone.com><sip%3A4572727220 at voxbone.com
>     <mailto:sip%253A4572727220 at voxbone.com>>
>     > >;tag=43772.
>     > Call-ID: NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45
>     <mailto:NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45>.
>     > CSeq: 102 INVITE.
>     > User-Agent: X-Lite release 1104o stamp 56125.
>     > Content-Length: 0.
>     > .
>     >
>     >
>     > U 11.22.33.44:5060 <http://11.22.33.44:5060> ->
>     81.201.82.45:5060 <http://81.201.82.45:5060>
>     > SIP/2.0 180 Ringing.
>     > Via: SIP/2.0/UDP 81.201.82.45:5060 <http://81.201.82.45:5060>
>     >
>     ;rport=5060;received=81.201.82.45;branch=z9hG4bKdb42364564e21b159baaa8a741307ca0.
>     > Record-Route: <sip:11.22.33.44;lr>.
>     > Contact: <sip:4004 at 203.215.176.22:55134
>     <http://sip:4004@203.215.176.22:55134>
>     > ;rinstance=25bfe05618433c26;nat=yes>.
>     > To: <sip:1234567 at 11.22.33.44 <mailto:sip%3A1234567 at 11.22.33.44>
>     <sip%3A1234567 at 11.22.33.44
>     <mailto:sip%253A1234567 at 11.22.33.44>>>;tag=611cee1e.
>     > From: "4572727220"<sip:4572727220 at voxbone.com
>     <mailto:sip%3A4572727220 at voxbone.com><sip%3A4572727220 at voxbone.com
>     <mailto:sip%253A4572727220 at voxbone.com>>
>     > >;tag=43772.
>     > Call-ID: NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45
>     <mailto:NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45>.
>     > CSeq: 102 INVITE.
>     > User-Agent: X-Lite release 1104o stamp 56125.
>     > Content-Length: 0.
>     > .
>     >
>     >
>     > U 203.215.176.22:55134 <http://203.215.176.22:55134> ->
>     11.22.33.44:5060 <http://11.22.33.44:5060>
>     > SIP/2.0 200 OK.
>     > Via: SIP/2.0/UDP 11.22.33.44;branch=z9hG4bK1c7c.78b70285.0.
>     > Via: SIP/2.0/UDP 81.201.82.45:5060 <http://81.201.82.45:5060>
>     >
>     ;rport=5060;received=81.201.82.45;branch=z9hG4bKdb42364564e21b159baaa8a741307ca0.
>     > Record-Route: <sip:11.22.33.44;lr>.
>     > Contact: <sip:4004 at 203.215.176.22:55134;rinstance=25bfe05618433c26>.
>     > To: <sip:1234567 at 11.22.33.44 <mailto:sip%3A1234567 at 11.22.33.44>
>     <sip%3A1234567 at 11.22.33.44
>     <mailto:sip%253A1234567 at 11.22.33.44>>>;tag=611cee1e.
>     > From: "4572727220"<sip:4572727220 at voxbone.com
>     <mailto:sip%3A4572727220 at voxbone.com><sip%3A4572727220 at voxbone.com
>     <mailto:sip%253A4572727220 at voxbone.com>>
>     > >;tag=43772.
>     > Call-ID: NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45
>     <mailto:NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45>.
>     > CSeq: 102 INVITE.
>     > Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE,
>     > SUBSCRIBE, INFO.
>     > Content-Type: application/sdp.
>     > User-Agent: X-Lite release 1104o stamp 56125.
>     > Content-Length: 130.
>     > .
>     > v=0.
>     > o=- 2 2 IN IP4 192.168.0.168.
>     > s=CounterPath X-Lite 3.0.
>     > c=IN IP4 192.168.0.168.
>     > t=0 0.
>     > m=audio 1876 RTP/AVP 8 0.
>     > a=sendrecv.
>     >
>     >
>     > U 11.22.33.44:5060 <http://11.22.33.44:5060> ->
>     81.201.82.45:5060 <http://81.201.82.45:5060>
>     > SIP/2.0 200 OK.
>     > Via: SIP/2.0/UDP 81.201.82.45:5060 <http://81.201.82.45:5060>
>     >
>     ;rport=5060;received=81.201.82.45;branch=z9hG4bKdb42364564e21b159baaa8a741307ca0.
>     > Record-Route: <sip:11.22.33.44;lr>.
>     > Contact: <sip:4004 at 203.215.176.22:55134
>     <http://sip:4004@203.215.176.22:55134>
>     > ;rinstance=25bfe05618433c26;nat=yes>.
>     > To: <sip:1234567 at 11.22.33.44 <mailto:sip%3A1234567 at 11.22.33.44>
>     <sip%3A1234567 at 11.22.33.44
>     <mailto:sip%253A1234567 at 11.22.33.44>>>;tag=611cee1e.
>     > From: "4572727220"<sip:4572727220 at voxbone.com
>     <mailto:sip%3A4572727220 at voxbone.com><sip%3A4572727220 at voxbone.com
>     <mailto:sip%253A4572727220 at voxbone.com>>
>     > >;tag=43772.
>     > Call-ID: NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45
>     <mailto:NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45>.
>     > CSeq: 102 INVITE.
>     > Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE,
>     > SUBSCRIBE, INFO.
>     > Content-Type: application/sdp.
>     > User-Agent: X-Lite release 1104o stamp 56125.
>     > Content-Length: 130.
>     > .
>     > v=0.
>     > o=- 2 2 IN IP4 192.168.0.168.
>     > s=CounterPath X-Lite 3.0.
>     > c=IN IP4 192.168.0.168.
>     > t=0 0.
>     > m=audio 1876 RTP/AVP 8 0.
>     > a=sendrecv.
>     >
>     >
>     > U 81.201.82.45:5060 <http://81.201.82.45:5060> ->
>     11.22.33.44:5060 <http://11.22.33.44:5060>
>     > ACK sip:4004 at 203.215.176.22:55134;rinstance=25bfe05618433c26;nat=yes
>     > SIP/2.0.
>     > Call-ID: NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45
>     <mailto:NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45>.
>     > CSeq: 102 ACK.
>     > From: "4572727220" <sip:4572727220 at voxbone.com
>     <mailto:sip%3A4572727220 at voxbone.com><sip%3A4572727220 at voxbone.com
>     <mailto:sip%253A4572727220 at voxbone.com>>
>     > >;tag=43772.
>     > To: <sip:1234567 at 11.22.33.44 <mailto:sip%3A1234567 at 11.22.33.44>
>     <sip%3A1234567 at 11.22.33.44
>     <mailto:sip%253A1234567 at 11.22.33.44>>>;tag=611cee1e.
>     > Via: SIP/2.0/UDP 81.201.82.45:5060 <http://81.201.82.45:5060>
>     > ;branch=z9hG4bKb10281cafd7849f7565fbfda2b5951fd.
>     > Max-Forwards: 69.
>     > Contact: <sip:4572727220 at 81.201.82.45:5060;transport=udp>.
>     > Route: <sip:11.22.33.44;lr>.
>     > User-Agent: Vox Callcontrol.
>     > Content-Length: 0.
>     > .
>     >
>     >
>     > U 11.22.33.44:5060 <http://11.22.33.44:5060> ->
>     203.215.176.22:55134 <http://203.215.176.22:55134>
>     > ACK sip:4004 at 203.215.176.22:55134;rinstance=25bfe05618433c26
>     SIP/2.0.
>     > Call-ID: NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45
>     <mailto:NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45>.
>     > CSeq: 102 ACK.
>     > From: "4572727220" <sip:4572727220 at voxbone.com
>     <mailto:sip%3A4572727220 at voxbone.com><sip%3A4572727220 at voxbone.com
>     <mailto:sip%253A4572727220 at voxbone.com>>
>     > >;tag=43772.
>     > To: <sip:1234567 at 11.22.33.44 <mailto:sip%3A1234567 at 11.22.33.44>
>     <sip%3A1234567 at 11.22.33.44
>     <mailto:sip%253A1234567 at 11.22.33.44>>>;tag=611cee1e.
>     > Via: SIP/2.0/UDP 11.22.33.44;branch=z9hG4bK1c7c.78b70285.2.
>     > Via: SIP/2.0/UDP 81.201.82.45:5060 <http://81.201.82.45:5060>
>     >
>     ;rport=5060;received=81.201.82.45;branch=z9hG4bKb10281cafd7849f7565fbfda2b5951fd.
>     > Max-Forwards: 68.
>     > Contact: <sip:4572727220 at 81.201.82.45:5060;transport=udp>.
>     > User-Agent: Vox Callcontrol.
>     > Content-Length: 0.
>     > .
>     >
>     >
>     > U 11.22.33.44:5060 <http://11.22.33.44:5060> ->
>     203.215.176.22:55134 <http://203.215.176.22:55134>
>     > ....
>     >
>     > U 203.215.176.22:55134 <http://203.215.176.22:55134> ->
>     11.22.33.44:5060 <http://11.22.33.44:5060>
>     > .
>     > .
>     > ..............
>     >
>     > U 203.215.176.22:55134 <http://203.215.176.22:55134> ->
>     11.22.33.44:5060 <http://11.22.33.44:5060>
>     > BYE sip:4572727220 at 81.201.82.45:5060;transport=udp SIP/2.0.
>     > Via: SIP/2.0/UDP 192.168.0.168:55134 <http://192.168.0.168:55134>
>     > ;branch=z9hG4bK-d8754z-cf10f40220676576-1---d8754z-;rport.
>     > Max-Forwards: 70.
>     > Route: <sip:11.22.33.44;lr>.
>     > Contact: <sip:4004 at 203.215.176.22:55134;rinstance=25bfe05618433c26>.
>     > To: "4572727220"<sip:4572727220 at voxbone.com
>     <mailto:sip%3A4572727220 at voxbone.com>
>     <sip%3A4572727220 at voxbone.com <mailto:sip%253A4572727220 at voxbone.com>>
>     > >;tag=43772.
>     > From: <sip:1234567 at 11.22.33.44
>     <mailto:sip%3A1234567 at 11.22.33.44> <sip%3A1234567 at 11.22.33.44
>     <mailto:sip%253A1234567 at 11.22.33.44>>>;tag=611cee1e.
>     > Call-ID: NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45
>     <mailto:NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45>.
>     > CSeq: 2 BYE.
>     > User-Agent: X-Lite release 1104o stamp 56125.
>     > Reason: SIP;description="User Hung Up".
>     > Content-Length: 0.
>     > .
>     >
>     >
>     >
>     > U 11.22.33.44:5060 <http://11.22.33.44:5060> ->
>     81.201.82.45:5060 <http://81.201.82.45:5060>
>     > BYE sip:4572727220 at 81.201.82.45:5060;transport=udp SIP/2.0.
>     > Via: SIP/2.0/UDP 11.22.33.44;branch=z9hG4bK529a.32cc52a.0.
>     > Via: SIP/2.0/UDP 192.168.0.168:55134 <http://192.168.0.168:55134>
>     >
>     ;received=203.215.176.22;branch=z9hG4bK-d8754z-cf10f40220676576-1---d8754z-;rport=55134.
>     > Max-Forwards: 69.
>     > Contact: <sip:4004 at 203.215.176.22:55134
>     <http://sip:4004@203.215.176.22:55134>
>     > ;rinstance=25bfe05618433c26;nat=yes>.
>     > To: "4572727220"<sip:4572727220 at voxbone.com
>     <mailto:sip%3A4572727220 at voxbone.com>
>     <sip%3A4572727220 at voxbone.com <mailto:sip%253A4572727220 at voxbone.com>>
>     > >;tag=43772.
>     > From: <sip:1234567 at 11.22.33.44
>     <mailto:sip%3A1234567 at 11.22.33.44> <sip%3A1234567 at 11.22.33.44
>     <mailto:sip%253A1234567 at 11.22.33.44>>>;tag=611cee1e.
>     > Call-ID: NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45
>     <mailto:NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45>.
>     > CSeq: 2 BYE.
>     > User-Agent: X-Lite release 1104o stamp 56125.
>     > Reason: SIP;description="User Hung Up".
>     > Content-Length: 0.
>     > .
>     >
>     >
>     > U 81.201.82.45:5060 <http://81.201.82.45:5060> ->
>     11.22.33.44:5060 <http://11.22.33.44:5060>
>     > SIP/2.0 200 OK.
>     > Via: SIP/2.0/UDP
>     11.22.33.44;branch=z9hG4bK529a.32cc52a.0,SIP/2.0/UDP
>     > 192.168.0.168:55134 <http://192.168.0.168:55134>
>     >
>     ;received=203.215.176.22;branch=z9hG4bK-d8754z-cf10f40220676576-1---d8754z-;rport=55134.
>     > To: "4572727220" <sip:4572727220 at voxbone.com
>     <mailto:sip%3A4572727220 at voxbone.com><sip%3A4572727220 at voxbone.com
>     <mailto:sip%253A4572727220 at voxbone.com>>
>     > >;tag=43772.
>     > From: <sip:1234567 at 11.22.33.44
>     <mailto:sip%3A1234567 at 11.22.33.44> <sip%3A1234567 at 11.22.33.44
>     <mailto:sip%253A1234567 at 11.22.33.44>>>;tag=611cee1e.
>     > Call-ID: NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45
>     <mailto:NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45>.
>     > CSeq: 2 BYE.
>     > Content-Length: 0.
>     > .
>     >
>     >
>     > U 11.22.33.44:5060 <http://11.22.33.44:5060> ->
>     203.215.176.22:55134 <http://203.215.176.22:55134>
>     > SIP/2.0 200 OK.
>     > Via: SIP/2.0/UDP 192.168.0.168:55134 <http://192.168.0.168:55134>
>     >
>     ;received=203.215.176.22;branch=z9hG4bK-d8754z-cf10f40220676576-1---d8754z-;rport=55134.
>     > To: "4572727220" <sip:4572727220 at voxbone.com
>     <mailto:sip%3A4572727220 at voxbone.com><sip%3A4572727220 at voxbone.com
>     <mailto:sip%253A4572727220 at voxbone.com>>
>     > >;tag=43772.
>     > From: <sip:1234567 at 11.22.33.44
>     <mailto:sip%3A1234567 at 11.22.33.44> <sip%3A1234567 at 11.22.33.44
>     <mailto:sip%253A1234567 at 11.22.33.44>>>;tag=611cee1e.
>     > Call-ID: NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45
>     <mailto:NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45>.
>     > CSeq: 2 BYE.
>     > Content-Length: 0.
>     > .
>     >
>     >
>     > Date: Thu, 29 Apr 2010 19:34:16 -0300
>     >> From: Antonio Anderson Souza <antonio at voicetechnology.com.br
>     <mailto:antonio at voicetechnology.com.br>>
>     >> Subject: Re: [OpenSIPS-Users] NAT Problem using Nat helper
>     >> To: OpenSIPS users mailling list <users at lists.opensips.org
>     <mailto:users at lists.opensips.org>>
>     >> Message-ID:
>     >>      
>      <s2o285c24cc1004291534m1deec8c4zb6c4ddb0033114b6 at mail.gmail.com
>     <mailto:s2o285c24cc1004291534m1deec8c4zb6c4ddb0033114b6 at mail.gmail.com>>
>     >> Content-Type: text/plain; charset="iso-8859-1"
>     >>
>     >>
>     >> Ahmed,
>     >>
>     >> Could you send an wireshark trace to the list? It will be
>     easier to check
>     >> what's going wrong.
>     >>
>     >> Besta regards,
>     >>
>     >> Antonio Anderson M. Souza
>     >> Voice Technology
>     >> http://www.antonioams.com
>     >>
>     >> Em 29/04/2010 11:47, "Ahmed Munir" <ahmedmunir007 at gmail.com
>     <mailto:ahmedmunir007 at gmail.com>>escreveu:
>     >>
>     >>
>     >> Hi,
>     >>
>     >> I've configured OpenSIPs with FreeRadius, the version for
>     OpenSIPs I'm
>     >> using
>     >> is 1.6.1 and FreeRadius verison is update 2 date. When I register 2
>     >> sofphone, they got authenticated and authorized by radius and got
>     >> registered sucessfully. Even I made calls between two softphone
>     >> sucessfully(Can hear one another). The UAS configured on
>     different network
>     >> means hosted with public IP and my softphones are registered
>     other and
>     >> NATed
>     >> network. I mapped a DID on UAS and mapped it on my one of my
>     softphone.
>     >> The
>     >> problem I'm facing is when call coming from DID and ring my
>     phone the
>     >> caller
>     >> can hear me but I can't hear the caller(one way calling issue).
>     But not
>     >> facing the problem on when calling between to sip clients and
>     also calling
>     >> from OpenSIPs to Asterisk. The configuration and cases for
>     OpenSIPs is
>     >> listed down below;
>     >>
>     >>
>     >> UAC--------------> UAS(OpenSIPs) --------------------->
>     >> UAC                                        two way voice is
>     establised
>     >>  UAC--------------> UAS(OpenSIPs) ---------------------> Asterisk
>     >> --------------------> UAC    two way voice is establised
>     >> PSTN--------------> UAS(OpenSIPs)
>     >> ---------------------> UAC                                    
>      one way
>     >> voice is establised
>     >> (hears the dest voice)                                (can't
>     hear caller
>     >> voice)
>     >>
>     >>
>     >>
>     >>
>     >>
>     >> Kindly help me out with this problem, in which other section
>     Natting is
>     >> required?(or am I missing something in the configuration?)
>      Please assist
>     >> me
>     >> on it.
>     >> --
>     >> Regards,
>     >>
>     >> Ahmed Munir
>     >>
>     >>
>     >>
>     >> _______________________________________________
>     >> Users mailing list
>     >> Users at lists.opensips.org <mailto:Users at lists.opensips.org>
>     >> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>     >> -------------- next part --------------
>     >> An HTML attachment was scrubbed...
>     >> URL:
>     >>
>     http://lists.opensips.org/pipermail/users/attachments/20100429/84192485/attachment.htm
>     >>
>     >> ------------------------------
>     >>
>     >>
>     >> _______________________________________________
>     >> Users mailing list
>     >> Users at lists.opensips.org <mailto:Users at lists.opensips.org>
>     >> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>     >>
>     >>
>     >> End of Users Digest, Vol 21, Issue 146
>     >> **************************************
>     >>
>     >
>     >
>     >
>     > --
>     > Regards,
>     >
>     > Ahmed Munir
>     >
>     >
>     >
>     >
>     >
>     > --
>     > Regards,
>     >
>     > Ahmed Munir
>     >
>     >
>     >
>     > _______________________________________________
>     > Users mailing list
>     > Users at lists.opensips.org <mailto:Users at lists.opensips.org>
>     > http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>     >
>     >
>     -------------- next part --------------
>     An HTML attachment was scrubbed...
>     URL:
>     http://lists.opensips.org/pipermail/users/attachments/20100430/d4216c98/attachment.htm
>
>     ------------------------------
>
>     _______________________________________________
>     Users mailing list
>     Users at lists.opensips.org <mailto:Users at lists.opensips.org>
>     http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>
>
>     End of Users Digest, Vol 21, Issue 148
>     **************************************
>
>
>
>
> -- 
> Regards,
>
> Ahmed Munir
>
>
> ------------------------------------------------------------------------
>
> _______________________________________________
> Users mailing list
> Users at lists.opensips.org
> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>   


-- 
Bogdan-Andrei Iancu
www.voice-system.ro




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