[OpenSIPS-Users] WARNING:rr:after_strict:no socket found for match second RR

[Michele Pinassi]

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: sip:5004 at 172.20.1.33:45802
/usr/sbin/opensips[29845]: 8EhpJFUAhqwKXTay3zK9S.B3nGLBWUub - Route NEW
BRANCH To: 5004, From: 5009, RURI: sip:5004 at 172.20.1.33:45802
/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: sip:5004 at 172.20.1.33:45802
/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: <sip:193.*x*.*x*.110;lr;ftag=V41fxeL-v5HuRwE4rUnVN-XRVBTsVal3>

i: 6znDCyifz4jVTBUDMGe07e2UQrdr2qCl

f: <sip:5009 at voip.*xxx*.it>;tag=V41fxeL-v5HuRwE4rUnVN-XRVBTsVal3

t: <sip:5009 at voip.*xxx*.it>;tag=1eC1ckc8ts5OH4mJhMwZ-RgHxEFUgMJw

CSeq: 27800 SUBSCRIBE

l:  0


PRACK sip:5004 at 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: <sip:5009 at voip.*xxx*.it>;tag=KgJWD-2L-MlmTD0FyxgXhlnUeIIOhYbM

t: <sip:5004 at voip.*xxx*.it>;tag=aewrc0nu91

i: 8EhpJFUAhqwKXTay3zK9S.B3nGLBWUub

CSeq: 13112 PRACK

Route:
<sip:193.*x.**x*.110;lr;ftag=KgJWD-2L-MlmTD0FyxgXhlnUeIIOhYbM;did=b8.6fcc5694>

RAck: 1 13111 INVITE

l:  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: <sip:5009 at voip.*xxx*.it>;tag=KgJWD-2L-MlmTD0FyxgXhlnUeIIOhYbM

t: <sip:5004 at voip.*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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