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Re: WARNING: rr: after_strict: no socket found for match second RR

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Re: WARNING: rr: after_strict: no socket found for match second RR

Pat Burke
Hello,

I was wondering if there was a resolution to this.  I am running into the same thing.  It seem to be very dependent on the SIP Client that I use and how they interact with each other.

Thanks,
Pat Burke


HI Michele,

Could you provide (off list) a pcap for the scenario, pointing also the which SIP msg is generating the log you mentioned ?

Regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developerhttp://www.opensips-solutions.com
On 02/08/2017 11:38 AM, Michele Pinassi wrote:

Hi all,

i'm going crazy with an issue with WiFi VoIP users. Our VoIP server, Opensips 1.11.9, was inside DMZ with public IP address 193.x.x.110 and WiFi network is 10.x.x.x. VoIP fixed phone are inside a separated network 172.20.x.x and firewall allowed traffic in both directions between those nets.

When i call from a fixed phone (172.20.1.90, as example) to a client connected to WiFi network (ex. 10.101.8.71) it works perfectly. But, on other side, SIP signalling fail on a PRACK sent to 193.x.x.110 instead of 10.101.8.71, printing out "WARNING:rr:after_strict:no socket found for match second RR" error.

5004 was the CALLED user, 5009 the calling one, on WiFi network (10.10.1.22):

/usr/sbin/opensips[29845]: 8EhpJFUAhqwKXTay3zK9S.B3nGLBWUub - Route RELAY INVITE To: 5004, From: 5009, RURI: [hidden email][hidden email]
/usr/sbin/opensips[29845]: 8EhpJFUAhqwKXTay3zK9S.B3nGLBWUub - Route NEW BRANCH To: 5004, From: 5009, RURI: [hidden email][hidden email]
/usr/sbin/opensips[29844]: 8EhpJFUAhqwKXTay3zK9S.B3nGLBWUub - Route RELAY PRACK To: 5004, From: 5009, RURI: sip:193.x.x.110;lr;
/usr/sbin/opensips[29849]: 8EhpJFUAhqwKXTay3zK9S.B3nGLBWUub - Route MISSED CALL INVITE To: 5004, From: 5009, RURI: [hidden email][hidden email]
/usr/sbin/opensips[29845]: 8EhpJFUAhqwKXTay3zK9S.B3nGLBWUub - Route RELAY ACK To: 5004, From: 5009, RURI: sip:voip.xxxx.it;transport=udp;lr

Oh the 5009 phone i did a tcpdump where i saw:

SIP/2.0 489 Bad Event

v: SIP/2.0/UDP 10.0.8.1:34209;rport=53951;received=10.101.8.71;branch=z9hG4bKPjDD2mDOwI11dIEIX-FY-72lpXL2jS9Qvz

Record-Route: x.x.110;lr;ftag=V41fxeL-v5HuRwE4rUnVN-XRVBTsVal3>

i: 6znDCyifz4jVTBUDMGe07e2UQrdr2qCl

f: xxx.it>;tag=V41fxeL-v5HuRwE4rUnVN-XRVBTsVal3

t: xxx.it>;tag=1eC1ckc8ts5OH4mJhMwZ-RgHxEFUgMJw

CSeq: 27800 SUBSCRIBE

l: Â 0


PRACK sip:5004@193.x.x.110:26892 SIP/2.0

v: SIP/2.0/UDP 10.0.8.1:34209;rport;branch=z9hG4bKPjghFr0FmAkMHZhWMcfUtl1mUxj-IdkyQg

Max-Forwards: 70

f: xxx.it>;tag=KgJWD-2L-MlmTD0FyxgXhlnUeIIOhYbM

t: xxx.it>;tag=aewrc0nu91

i: 8EhpJFUAhqwKXTay3zK9S.B3nGLBWUub

CSeq: 13112 PRACK

Route: x.x.110;lr;ftag=KgJWD-2L-MlmTD0FyxgXhlnUeIIOhYbM;did=b8.6fcc5694>

RAck: 1 13111 INVITE

l: Â 0


SIP/2.0 404 Not here

v: SIP/2.0/UDP 10.0.8.1:34209;received=10.101.8.71;rport=53951;branch=z9hG4bKPjghFr0FmAkMHZhWMcfUtl1mUxj-IdkyQg

f: xxx.it>;tag=KgJWD-2L-MlmTD0FyxgXhlnUeIIOhYbM

t: xxx.it>;tag=aewrc0nu91

i: 8EhpJFUAhqwKXTay3zK9S.B3nGLBWUub

CSeq: 13112 PRACK

Server: VoIP

Content-Length: 0


Any hints how to solve this issue ?

Thanks, Michele

--


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