[OpenSIPS-Users] help nat problems

Wed Dec 17 16:46:52 CET 2008

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=z9hG4bK33571797d7d31cb0

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,MESSAGE
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=z9hG4bK33571797d7d31cb0
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,MESSAGE
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=z9hG4bKa26522558c582a68
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,MESSAGE
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,MESSAGE
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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