[OpenSIPS-Users] help nat problems
Robert Dyck
rob.dyck at telus.net
Wed Dec 17 22:12:12 CET 2008
Do you control the UAs at location A? Do they use STUN or are they configured
to masquerade as the router's public address? Both would claim to be
listening on the same IP. Many ( most? ) routers do not support hairpin
routing.
On Wednesday 17 December 2008, troxlinux wrote:
> Hi list, I want to comment some problems of nat that I have, I have two
> connected remote UAC in a same location
>
> UAC 202 REMOTE A
> UAC 123 REMOTE A
>
> if the UAC 123 calls to UAC 202 there is not bidirectional audio
>
> UAC 204 REMOTE B
> UAC 122 REMOTE C
>
> if the UAC 122 calls to UAC 202 if there is bidirectional audio
>
> some help like I can solve this problem?, the remote clients in site A they
> are behind a nat symetrics
>
> I am using rtpproxy version 1.1 and openser 1.3.2
>
>
> log sip
>
> U +2.975758 190.212.49.86:58944 -> 190.184.22.152:5060
> SIP/2.0 200 OK
> Via: SIP/2.0/UDP 190.184.22.152:5060;branch=z9hG4bK74f3.13c6ec23.0
> Via: SIP/2.0/UDP
> 192.168.10.37:5060;rport=63451;received=190.212.49.86;branch=z9hG4bK3357179
>7d7d31cb0
>
> Record-Route: <sip:190.184.22.152;lr=on;ftag=0966ab4346392f45>
> From: "ricardo-elim" <sip:123 at 190.184.22.152
> <sip%3A123 at 190.184.22.152>>;tag=0966ab4346392f45
> To: <sip:202 at 190.184.22.152
> <sip%3A202 at 190.184.22.152>>;tag=15c74eb7e1a2ae92 Call-ID:
> 4dfa1b96e314c165 at 192.168.10.37
> CSeq: 17345 INVITE
> User-Agent: Grandstream GXP2020 1.1.6.16
> Contact: <sip:202 at 192.168.10.40:5064;transport=udp>
> Allow:
> INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE,UPDATE,PRACK,MESS
>AGE Content-Type: application/sdp
> Supported: replaces, timer
> Content-Length: 214
>
> v=0
> o=202 8000 8000 IN IP4 192.168.10.40
> s=SIP Call
> c=IN IP4 192.168.10.40
> t=0 0
> m=audio 5004 RTP/AVP 18 101
> a=sendrecv
> a=rtpmap:18 G729/8000
> a=ptime:20
> a=rtpmap:101 telephone-event/8000
> a=fmtp:101 0-11
>
> #
> U +0.000475 190.184.22.152:5060 -> 190.212.49.86:63451
> SIP/2.0 200 OK
> Via: SIP/2.0/UDP
>
> 192.168.10.37:5060;rport=63451;received=190.212.49.86;branch=z9hG4bK3357179
>7d7d31cb0 Record-Route: <sip:190.184.22.152;lr=on;ftag=0966ab4346392f45>
> From: "ricardo-elim" <sip:123 at 190.184.22.152
> <sip%3A123 at 190.184.22.152>>;tag=0966ab4346392f45
> To: <sip:202 at 190.184.22.152
> <sip%3A202 at 190.184.22.152>>;tag=15c74eb7e1a2ae92 Call-ID:
> 4dfa1b96e314c165 at 192.168.10.37
> CSeq: 17345 INVITE
> User-Agent: Grandstream GXP2020 1.1.6.16
> Contact: <sip:202 at 190.212.49.86:58944;transport=udp;nat=yes>
> Allow:
> INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE,UPDATE,PRACK,MESS
>AGE Content-Type: application/sdp
> Supported: replaces, timer
> Content-Length: 234
> P-hint: onreply_route|force_rtp_proxy
> P-hint: Onreply-route - fixcontact
>
> v=0
> o=202 8000 8000 IN IP4 192.168.10.40
> s=SIP Call
> c=IN IP4 190.184.22.152
> t=0 0
> m=audio 35036 RTP/AVP 18 101
> a=sendrecv
> a=rtpmap:18 G729/8000
> a=ptime:20
> a=rtpmap:101
> telephone-event/8000
> a=fmtp:101 0-11
> a=nortpproxy:yes
>
> #
> U +0.241543 190.212.49.86:63451 -> 190.184.22.152:5060
> ACK sip:202 at 190.212.49.86:58944;transport=udp;nat=yes SIP/2.0
> Via: SIP/2.0/UDP 192.168.10.37:5060;branch=z9hG4bKa26522558c582a68
> Route: <sip:190.184.22.152;lr=on;ftag=0966ab4346392f45>
> From: "ricardo-elim" <sip:123 at 190.184.22.152
> <sip%3A123 at 190.184.22.152>>;tag=0966ab4346392f45
> To: <sip:202 at 190.184.22.152
> <sip%3A202 at 190.184.22.152>>;tag=15c74eb7e1a2ae92 Contact:
> <sip:123 at 192.168.10.37:5060;transport=udp>
> Supported: path
> Proxy-Authorization: Digest username="123", realm="190.184.22.152",
> algorithm=MD5, uri="sip:202 at 190.184.22.152
> <sip%3A202 at 190.184.22.152>",
> nonce="49485f8958ba6dc4e39ee5893d15ea3e60ae19ad",
> response="afb5db07f3a90d4cfc6ea483fd120404"
> Call-ID: 4dfa1b96e314c165 at 192.168.10.37
> CSeq: 17345 ACK
> User-Agent: Grandstream BT200 1.1.6.16
> Max-Forwards: 70
> Allow:
> INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE,UPDATE,PRACK
> Content-Length: 0
>
>
> #
> U +0.000334 190.184.22.152:5060 -> 190.212.49.86:58944
> ACK sip:202 at 190.212.49.86:58944;transport=udp SIP/2.0
> Record-Route: <sip:190.184.22.152;lr=on;ftag=0966ab4346392f45>
> Via: SIP/2.0/UDP 190.184.22.152;branch=z9hG4bK74f3.13c6ec23.2
> Via: SIP/2.0/UDP
> 192.168.10.37:5060;rport=63451;received=190.212.49.86;branch=z9hG4bKa265225
>58c582a68 From: "ricardo-elim" <sip:123 at 190.184.22.152
> <sip%3A123 at 190.184.22.152>>;tag=0966ab4346392f45
> To: <sip:202 at 190.184.22.152
> <sip%3A202 at 190.184.22.152>>;tag=15c74eb7e1a2ae92 Contact:
> <sip:123 at 190.212.49.86:63451;transport=udp;nat=yes>
> Supported: path
> Proxy-Authorization: Digest username="123", realm="190.184.22.152",
> algorithm=MD5, uri="sip:202 at 190.184.22.152
> <sip%3A202 at 190.184.22.152>",
> nonce="49485f8958ba6dc4e39ee5893d15ea3e60ae19ad",
> response="afb5db07f3a90d4cfc6ea483fd120404"
> Call-ID: 4dfa1b96e314c165 at 192.168.10.37
> CSeq:
> 17345 ACK
> User-Agent: Grandstream BT200 1.1.6.16
> Max-Forwards: 69
> Allow:
> INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE,UPDATE,PRACK
> Content-Length: 0
>
>
> #
> U +0.383479 190.184.22.152:5060 -> 190.212.49.86:58944
> OPTIONS sip:190.212.49.86:58944 SIP/2.0
> Via: SIP/2.0/UDP 190.184.22.152:5060;branch=0
> From: sip:pinger at 190.184.22.152 <sip%3Apinger at 190.184.22.152>;tag=d7259e51
> To: sip:190.212.49.86:58944
> Call-ID: 1f9f65c1-fcccdef2-674a at 190.184.22.152
> CSeq: 1 OPTIONS
> Content-Length: 0
>
>
> #
> U +0.173847 190.212.49.86:58944 -> 190.184.22.152:5060
> SIP/2.0 200 OK
> Via: SIP/2.0/UDP 190.184.22.152:5060;branch=0
> From: sip:pinger at 190.184.22.152 <sip%3Apinger at 190.184.22.152>;tag=d7259e51
> To: sip:190.212.49.86:58944;tag=15c74eb7e1a2ae92
> Call-ID: 1f9f65c1-fcccdef2-674a at 190.184.22.152
> CSeq: 1 OPTIONS
> User-Agent: Grandstream GXP2020 1.1.6.16
> Contact: <sip:202 at 192.168.10.40:5064;transport=udp>
> Allow:
>
> INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE,UPDATE,PRACK,MESS
>AGE Supported: replaces, timer
> Content-Length: 0
>
>
> #
> U +0.826048 190.184.22.152:5060 -> 190.212.35.160:50273
> OPTIONS sip:190.212.35.160:50273 SIP/2.0
> Via: SIP/2.0/UDP 190.184.22.152:5060;branch=0
> From: sip:pinger at 190.184.22.152 <sip%3Apinger at 190.184.22.152>;tag=e7259e51
> To: sip:190.212.35.160:50273
> Call-ID: 1f9f65c1-0dccdef2-774a at 190.184.22.152
> CSeq: 1 OPTIONS
> Content-Length: 0
>
>
> #
> U +0.192726 190.212.35.160:50273 -> 190.184.22.152:5060
> SIP/2.0 200 OK
> Via: SIP/2.0/UDP 190.184.22.152:5060;branch=0
> From: sip:pinger at 190.184.22.152 <sip%3Apinger at 190.184.22.152>;tag=e7259e51
> To: sip:190.212.35.160:50273;tag=c2c330e1c7bae7ba
> Call-ID: 1f9f65c1-0dccdef2-774a at 190.184.22.152
> CSeq: 1 OPTIONS
> User-Agent: Grandstream GXP2000 1.1.6.16
> Contact: <sip:203 at 192.168.0.16:5060;transport=udp;user=phone>
> Allow:
>
> INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE,UPDATE,PRACK,MESS
>AGE Supported: replaces, timer
> Content-Length: 0
>
>
> #
> U +1.807039 192.168.11.1:5060 -> 192.168.11.30:5060
> OPTIONS sip:192.168.11.30:5060 SIP/2.0
> Via: SIP/2.0/UDP 192.168.11.1:5060;branch=0
> From: sip:pinger at 190.184.22.152 <sip%3Apinger at 190.184.22.152>;tag=f7259e51
> To: sip:192.168.11.30:5060
> Call-ID: 1f9f65c1-1dccdef2-974a at 192.168.11.1
> CSeq: 1 OPTIONS
> Content-Length: 0
>
>
>
> regards
>
> rickygm
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