[SR-Users] Kamailio Bridge
Nelson Migliaro
eng.migliaro at gmail.com
Mon Mar 21 15:17:48 CET 2016
Hello,
I am trying to set up a Kamailio in Bridge Mode with two interfaces using
rtpproxy.
The problem I have is SDP information port and IP is not updated from
outside to inside. But on the other hand the SDP is rewrited from inside to
outside.
In the rtpproxy log I am seeing this error:
Mar 21 14:21:21 kamailio rtpproxy[6119]: ERR:create_twinlistener: can't
bind to the IPv4 port 23414: Cannot assign requested address
Mar 21 14:21:21 kamailio rtpproxy[6119]: ERR:handle_command: can't create
listener
and in kamailio log:
ERROR: rtpproxy [rtpproxy.c:2727]: force_rtp_proxy(): incorrect port 0 in
reply from rtp proxy
Something strange and interesting is the port that shows up in the RTPPROXY
error (23414) does not corresponds to any ports used.
Thank you
Nelson.-
---------------------------------------------------------------------------------------------------------------------------------------------
Everything is set up this way:
Kamailio
Asterisk (asterisk-inside-ip) <-> Kamailio (inside-kamailio-ip) / Kamailio
(outside-kamailio-ip) <-> sip-vendor-ip
listen=inside-kamailio-ip
listen=outside-kamailio-ip
mhomed=1
if(src_ip=="asterisk-inside-ip"){
rtpproxy_manage("faie");
}
if(src_ip=="sip-vendor-ip"){
rtpproxy_manage("faie");
}
rtpproxy
OPTIONS="rtpproxy -l inside-kamailio-ip/outside-kamailio-ip -m 20000 -M
30000 -u rtpproxy:rtpproxy -p /var/run/rtpproxy/rtpproxy.pid -s udp:
127.0.0.1:7722 -d DBUG:LOG_LOCAL6"
----------------------------------------------------------------------------------------------------------------------------------------------
SIP TRACES
2016/03/21 14:46:52.121472 asterisk-inside-ip:5060 ->
inside-kamailio-ip:5060
INVITE sip:999999999 at inside-kamailio-ip SIP/2.0
Via: SIP/2.0/UDP asterisk-inside-ip:5060;branch=z9hG4bK7f1ece8e;rport
Max-Forwards: 70
From: 111111111<sip:1000 at asterisk-inside-ip>;tag=as497457e6
To: <sip:999999999 at inside-kamailio-ip>
Contact: <sip:1000 at asterisk-inside-ip:5060>
Call-ID: 57bd4ca457972f5a42502ba34bba4500 at asterisk-inside-ip:5060
CSeq: 102 INVITE
User-Agent: Abantix
Date: Mon, 21 Mar 2016 13:46:52 GMT
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO,
PUBLISH
Supported: replaces, timer
Remote-Party-ID: <sip:888888888 at local-domain
;user=phone>;privacy=off;party=calling
Content-Type: application/sdp
Content-Length: 251
v=0
o=root 478097443 478097443 IN IP4 asterisk-inside-ip ##########
ASTERISK IP
s=asterisk
c=IN IP4 asterisk-inside-ip ########## ASTERISK IP
t=0 0
m=audio 17146 RTP/AVP 8 101 ########## ASTERISK PORT
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=silenceSupp:off - - - -
a=ptime:20
a=sendrecv
--------------------------------------------------------------------------------------------------------------------------------------------------------
2016/03/21 14:46:52.139435 outside-kamailio-ip:5060 ->sip-vendor-ip:5060
INVITE sip:999999999 at sip-vendor-ip SIP/2.0
Record-Route:
<sip:outside-kamailio-ip;r2=on;lr=on;ftag=as497457e6;vsf=AAAAAAMEAAAACXIEAW5fXkFYWUwAUkM-;vst=AAAAAAcHAw8MDgsAAHZBKUEeQF5DRUFMGEtCMDY-;nat=yes>
Record-Route:
<sip:inside-kamailio-ip;r2=on;lr=on;ftag=as497457e6;vsf=AAAAAAMEAAAACXIEAW5fXkFYWUwAUkM-;vst=AAAAAAcHAw8MDgsAAHZBKUEeQF5DRUFMGEtCMDY-;nat=yes>
Via: SIP/2.0/UDP
outside-kamailio-ip;branch=z9hG4bK0bfd.7bd4d3ae01e5850c14a3a939a612a05a.0
Via: SIP/2.0/UDP
asterisk-inside-ip:5060;received=asterisk-inside-ip;branch=z9hG4bK7f1ece8e;rport=5060
Max-Forwards: 69
From: 1111111111 <sip:1111111111 at sip-vendor-ip>;tag=as497457e6
To: <sip:999999999 at sip.sip-vendor-ip>
Contact: <sip:1000 at asterisk-inside-ip:5060>
Call-ID: 57bd4ca457972f5a42502ba34bba4500 at asterisk-inside-ip:5060
CSeq: 102 INVITE
User-Agent: Abantix Voice Sevices
Date: Mon, 21 Mar 2016 13:46:52 GMT
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO,
PUBLISH
Supported: replaces, timer
Remote-Party-ID: <sip:888888888 at local-domain
;user=phone>;privacy=off;party=calling
Content-Type: application/sdp
Content-Length: 271
v=0
o=root 478097443 478097443 IN IP4 outside-kamailio-ip ########## OUTSIDE
KAMAILIO IP REWRITED BY RTPPROXY
s=asterisk
c=IN IP4 outside-kamailio-ip ########## OUTSIDE KAMAILIO IP REWRITED
BY RTPPROXY
t=0 0
m=audio 24122 RTP/AVP 8 101 ########## OUTSIDE KAMAILIO PORT
REWRITED BY RTPPROXY
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=silenceSupp:off - - - -
a=ptime:20
a=sendrecv
--------------------------------------------------------------------------------------------------------------------------------------------------------
2016/03/21 14:46:57.393518sip-vendor-ip:5060 -> outside-kamailio-ip:5060
SIP/2.0 180 Ringing
Via: SIP/2.0/UDP
outside-kamailio-ip;rport=5060;branch=z9hG4bK0bfd.7bd4d3ae01e5850c14a3a939a612a05a.1
Via: SIP/2.0/UDP
asterisk-inside-ip:5060;received=asterisk-inside-ip;branch=z9hG4bK7f1ece8e;rport=5060
From: 1111111111 <sip:1111111111 at sip-vendor-ip>;tag=as497457e6
To: <sip:999999999 at sip.sip-vendor-ip>;tag=fkii1xm4-CC-26
Call-ID: 57bd4ca457972f5a42502ba34bba4500 at asterisk-inside-ip:5060
CSeq: 102 INVITE
Record-Route:
<sip:sip-vendo-ip;lr;ftag=as497457e6;vsf=AAAAAAEECQkCAgsNAXBeLxwZHQxBH11lcw--;did=0e.126;nat=yes>
Record-Route:
<sip:outside-kamailio-ip;r2=on;lr=on;ftag=as497457e6;vsf=AAAAAAMEAAAACXIEAW5fXkFYWUwAUkM-;vst=AAAAAAcHAw8MDgsAAHZBKUEeQF5DRUFMGEtCMDY-;nat=yes>
Record-Route:
<sip:inside-kamailio-ip;r2=on;lr=on;ftag=as497457e6;vsf=AAAAAAMEAAAACXIEAW5fXkFYWUwAUkM-;vst=AAAAAAcHAw8MDgsAAHZBKUEeQF5DRUFMGEtCMDY-;nat=yes>
Contact: <sip:999999999 at sip-vendor-carrier:5060;user=phone;transport=udp>
Allow:
INVITE,ACK,OPTIONS,BYE,CANCEL,REGISTER,INFO,PRACK,SUBSCRIBE,NOTIFY,UPDATE,MESSAGE,REFER
Content-Length: 237
Content-Type: application/sdp
v=0
o=HuaweiSoftX3000 71167517 71167517 IN IP4sip-vendor-ip ########## SIP
VENDOR IP
s=Sip Call
c=IN IP4sip-vendor-ip ########## SIP VENDOR IP
t=0 0
m=audio 44862 RTP/AVP 8 101 ########## SIP VENDOR PORT
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
a=ptime:20
a=fmtp:101 0-15
a=nortpproxy:yes
--------------------------------------------------------------------------------------------------------------------------------------------------------
2016/03/21 14:46:57.395029 inside-kamailio-ip:5060 ->
asterisk-inside-ip:5060
SIP/2.0 180 Ringing
Via: SIP/2.0/UDP
asterisk-inside-ip:5060;received=asterisk-inside-ip;branch=z9hG4bK7f1ece8e;rport=5060
From: "1000" <sip:1000 at asterisk-inside-ip>;tag=as497457e6
To: <sip:999999999 at inside-kamailio-ip>;tag=fkii1xm4-CC-26
Call-ID: 57bd4ca457972f5a42502ba34bba4500 at asterisk-inside-ip:5060
CSeq: 102 INVITE
Record-Route:
<sip:sip-vendo-ip;lr;ftag=as497457e6;vsf=AAAAAAEECQkCAgsNAXBeLxwZHQxBH11lcw--;did=0e.126;nat=yes>
Record-Route:
<sip:outside-kamailio-ip;r2=on;lr=on;ftag=as497457e6;vsf=AAAAAAMEAAAACXIEAW5fXkFYWUwAUkM-;vst=AAAAAAcHAw8MDgsAAHZBKUEeQF5DRUFMGEtCMDY-;nat=yes>
Record-Route:
<sip:inside-kamailio-ip;r2=on;lr=on;ftag=as497457e6;vsf=AAAAAAMEAAAACXIEAW5fXkFYWUwAUkM-;vst=AAAAAAcHAw8MDgsAAHZBKUEeQF5DRUFMGEtCMDY-;nat=yes>
Contact: <sip:999999999 at sip-vendor-carrier:5060;user=phone;transport=udp>
Allow:
INVITE,ACK,OPTIONS,BYE,CANCEL,REGISTER,INFO,PRACK,SUBSCRIBE,NOTIFY,UPDATE,MESSAGE,REFER
Content-Length: 237
Content-Type: application/sdp
v=0
o=HuaweiSoftX3000 71167517 71167517 IN IP4sip-vendor-ip ########## SIP
VENDOR IP NOT REWRITED BY RTPPROXY
s=Sip Call
c=IN IP4sip-vendor-ip ########## SIP VENDOR IP NOT
REWRITED BY RTPPROXY
t=0 0
m=audio 44862 RTP/AVP 8 101 ########## SIP VENDOR PORT NOT
REWRITED BY RTPPROXY
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
a=ptime:20
a=fmtp:101 0-15
a=nortpproxy:yes
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