New subject: [Kamailio-Users] [Bulk] nat problems

17 Dec 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@190.184.22.152;tag=0966ab4346392f45 
To: sip:202@190.184.22.152;tag=15c74eb7e1a2ae92 
Call-ID: 4dfa1b96e314c165@192.168.10.37 
CSeq: 17345 INVITE 
User-Agent: Grandstream GXP2020 1.1.6.16 
Contact: sip:202@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@190.184.22.152;tag=0966ab4346392f45 
To: sip:202@190.184.22.152;tag=15c74eb7e1a2ae92 
Call-ID: 4dfa1b96e314c165@192.168.10.37 
CSeq: 17345 INVITE 
User-Agent: Grandstream GXP2020 1.1.6.16 
Contact: sip:202@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@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@190.184.22.152;tag=0966ab4346392f45 
To: sip:202@190.184.22.152;tag=15c74eb7e1a2ae92 
Contact: sip:123@192.168.10.37:5060;transport=udp 
Supported: path 
Proxy-Authorization: Digest username="123", realm="190.184.22.152", algorithm=MD5, uri="sip:202@190.184.22.152", nonce="49485f8958ba6dc4e39ee5893d15ea3e60ae19ad", response="afb5db07f3a90d4cfc6ea483fd120404" 
Call-ID: 4dfa1b96e314c165@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@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@190.184.22.152;tag=0966ab4346392f45 
To: sip:202@190.184.22.152;tag=15c74eb7e1a2ae92 
Contact: sip:123@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@190.184.22.152", nonce="49485f8958ba6dc4e39ee5893d15ea3e60ae19ad", response="afb5db07f3a90d4cfc6ea483fd120404" 
Call-ID: 4dfa1b96e314c165@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@190.184.22.152;tag=d7259e51 
To: sip:190.212.49.86:58944 
Call-ID: 1f9f65c1-fcccdef2-674a@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@190.184.22.152;tag=d7259e51 
To: sip:190.212.49.86:58944;tag=15c74eb7e1a2ae92 
Call-ID: 1f9f65c1-fcccdef2-674a@190.184.22.152 
CSeq: 1 OPTIONS 
User-Agent: Grandstream GXP2020 1.1.6.16 
Contact: sip:202@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@190.184.22.152;tag=e7259e51 
To: sip:190.212.35.160:50273 
Call-ID: 1f9f65c1-0dccdef2-774a@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@190.184.22.152;tag=e7259e51 
To: sip:190.212.35.160:50273;tag=c2c330e1c7bae7ba 
Call-ID: 1f9f65c1-0dccdef2-774a@190.184.22.152 
CSeq: 1 OPTIONS 
User-Agent: Grandstream GXP2000 1.1.6.16 
Contact: sip:203@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@190.184.22.152;tag=f7259e51 
To: sip:192.168.11.30:5060 
Call-ID: 1f9f65c1-1dccdef2-974a@192.168.11.1 
CSeq: 1 OPTIONS 
Content-Length: 0
regards
rickygm

[Kamailio-Users] nat problems