[Users] question about ACK

Papadopoulos Georgios geop at altectelecoms.gr
Mon Apr 23 15:52:00 CEST 2007 

Hello all,
 
In the following call to PSTN, Openser gets into an infinite loop when
the ACK is received. It starts sending the ACK to itself. Is this
because the ACK is not right or could it be a misconfiguration in my
part?
 
thank you for any help
 
George
 
 
#
U 2007/04/18 13:44:46.759951 213.5.17.223:5058 -> 213.5.43.4:5060
INVITE sip:2116873831 at sip.altecnet.gr:5060 SIP/2.0.
Max-Forwards: 70.
Content-Length: 378.
Via: SIP/2.0/UDP 213.5.17.223:5058;branch=z9hG4bK08349b43d.
Call-ID: 91a3a06767e6d11c4a62a583078d95fb at 213.5.17.223.
From: demo1 <sip:demo1 at sip.altecnet.gr:5060>;tag=299ad500d129e32.
To: 2116873831 <sip:2116873831 at sip.altecnet.gr:5060>.
CSeq: 424044974 INVITE.
Supported: 100rel.
Supported: timer.
Allow: NOTIFY, REFER, OPTIONS, INVITE, ACK, CANCEL, BYE.
Content-Type: application/sdp.
Supported: replaces.
Proxy-Authorization:Digest
response="87bc0f48f292fa5213368434f8712c39",username="demo1",realm="alte
cnet.gr",nonce="4625f7cabd05f0720edd9ab601211b1759066235",uri="sip:21168
73831 at sip.altecnet.gr:5060".
Contact: demo1 <sip:demo1 at 213.5.17.223:5058>.
User-Agent: Brcm-Callctrl/v1.7.1.1 MxSF/v3.6.2.5.
.
v=0.
o=MxSIP 0 1153034350 IN IP4 213.5.17.223.
s=SIP Call.
c=IN IP4 213.5.17.223.
t=0 0.
m=audio 57994 RTP/AVP 8 0 97 98 109 99 4 18.
a=rtpmap:8 PCMA/8000.
a=rtpmap:0 PCMU/8000.
a=rtpmap:97 G726-16/8000.
a=rtpmap:98 G726-24/8000.
a=rtpmap:109 G726-32/8000.
a=rtpmap:99 G726-40/8000.
a=rtpmap:4 G723/8000.
a=rtpmap:18 G729/8000.
a=ptime:20.
a=sendrecv.
a=silenceSupp:on - - - -.
 
#
U 2007/04/18 13:44:46.764816 213.5.43.4:5060 -> 213.5.17.223:5058
SIP/2.0 100 trying -- your call is important to us.
Via: SIP/2.0/UDP 213.5.17.223:5058;branch=z9hG4bK08349b43d;rport=5058.
Call-ID: 91a3a06767e6d11c4a62a583078d95fb at 213.5.17.223.
From: demo1 <sip:demo1 at sip.altecnet.gr:5060>;tag=299ad500d129e32.
To: 2116873831 <sip:2116873831 at sip.altecnet.gr:5060>.
CSeq: 424044974 INVITE.
Server: OpenSer (1.1.1-notls (i386/linux)).
Content-Length: 0.
.
 
#
U 2007/04/18 13:44:46.764967 213.5.43.4:5060 -> 213.5.1.6:5060
INVITE sip:400#2116873831 at 213.5.1.6:5060 SIP/2.0.
Record-Route: <sip:213.5.43.4;lr=on;ftag=299ad500d129e32>.
Max-Forwards: 69.
Content-Length: 378.
Via: SIP/2.0/UDP 213.5.43.4;branch=z9hG4bKb455.b4c98796.0.
Via: SIP/2.0/UDP 213.5.17.223:5058;rport=5058;branch=z9hG4bK08349b43d.
Call-ID: 91a3a06767e6d11c4a62a583078d95fb at 213.5.17.223.
From: demo1 <sip:demo1 at sip.altecnet.gr:5060>;tag=299ad500d129e32.
To: 2116873831 <sip:2116873831 at sip.altecnet.gr:5060>.
CSeq: 424044974 INVITE.
Supported: 100rel.
Supported: timer.
Allow: NOTIFY, REFER, OPTIONS, INVITE, ACK, CANCEL, BYE.
Content-Type: application/sdp.
Supported: replaces.
Contact: demo1 <sip:demo1 at 213.5.17.223:5058>.
User-Agent: Brcm-Callctrl/v1.7.1.1 MxSF/v3.6.2.5.
.
v=0.
o=MxSIP 0 1153034350 IN IP4 213.5.17.223.
s=SIP Call.
c=IN IP4 213.5.17.223.
t=0 0.
m=audio 57994 RTP/AVP 8 0 97 98 109 99 4 18.
a=rtpmap:8 PCMA/8000.
a=rtpmap:0 PCMU/8000.
a=rtpmap:97 G726-16/8000.
a=rtpmap:98 G726-24/8000.
a=rtpmap:109 G726-32/8000.
a=rtpmap:99 G726-40/8000.
a=rtpmap:4 G723/8000.
a=rtpmap:18 G729/8000.
a=ptime:20.
a=sendrecv.
a=silenceSupp:on - - - -.
 
#
U 2007/04/18 13:44:46.781896 213.5.1.6:5060 -> 213.5.43.4:5060
SIP/2.0 100 Trying.
Via: SIP/2.0/UDP 213.5.43.4;branch=z9hG4bKb455.b4c98796.0,SIP/2.0/UDP
213.5.17.223:5058;rport=5058;branch=z9hG4bK08349b43d.
From: demo1 <sip:demo1 at sip.altecnet.gr:5060>;tag=299ad500d129e32.
To: 2116873831 <sip:2116873831 at sip.altecnet.gr:5060>;tag=4C655430-F57.
Date: Wed, 18 Apr 2007 10:44:46 GMT.
Call-ID: 91a3a06767e6d11c4a62a583078d95fb at 213.5.17.223.
Server: Cisco-SIPGateway/IOS-12.x.
CSeq: 424044974 INVITE.
Allow-Events: telephone-event.
Content-Length: 0.
.
 
#
U 2007/04/18 13:44:46.913667 213.5.1.6:5060 -> 213.5.43.4:5060
SIP/2.0 183 Session Progress.
Via: SIP/2.0/UDP 213.5.43.4;branch=z9hG4bKb455.b4c98796.0,SIP/2.0/UDP
213.5.17.223:5058;rport=5058;branch=z9hG4bK08349b43d.
From: demo1 <sip:demo1 at sip.altecnet.gr:5060>;tag=299ad500d129e32.
To: 2116873831 <sip:2116873831 at sip.altecnet.gr:5060>;tag=4C655430-F57.
Date: Wed, 18 Apr 2007 10:44:46 GMT.
Call-ID: 91a3a06767e6d11c4a62a583078d95fb at 213.5.17.223.
Server: Cisco-SIPGateway/IOS-12.x.
CSeq: 424044974 INVITE.
Require: 100rel.
RSeq: 1883.
Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, COMET, REFER,
SUBSCRIBE, NOTIFY, INFO, UPDATE, REGISTER.
Allow-Events: telephone-event.
Contact: <sip:400#2116873831 at 213.5.1.6:5060>.
Record-Route: <sip:213.5.43.4;lr=on;ftag=299ad500d129e32>.
Content-Disposition: session;handling=required.
Content-Type: application/sdp.
Content-Length: 232.
.
v=0.
o=CiscoSystemsSIP-GW-UserAgent 7897 3551 IN IP4 213.5.1.6.
s=SIP Call.
c=IN IP4 213.5.1.6.
t=0 0.
m=audio 19140 RTP/AVP 18.
c=IN IP4 213.5.1.6.
a=rtpmap:18 G729/8000.
a=fmtp:18 annexb=no.
a=ptime:40.
a=silenceSupp:off - - - -.
 
#
U 2007/04/18 13:44:46.914048 213.5.43.4:5060 -> 213.5.17.223:5058
SIP/2.0 183 Session Progress.
Via: SIP/2.0/UDP 213.5.17.223:5058;rport=5058;branch=z9hG4bK08349b43d.
From: demo1 <sip:demo1 at sip.altecnet.gr:5060>;tag=299ad500d129e32.
To: 2116873831 <sip:2116873831 at sip.altecnet.gr:5060>;tag=4C655430-F57.
Date: Wed, 18 Apr 2007 10:44:46 GMT.
Call-ID: 91a3a06767e6d11c4a62a583078d95fb at 213.5.17.223.
Server: Cisco-SIPGateway/IOS-12.x.
CSeq: 424044974 INVITE.
Require: 100rel.
RSeq: 1883.
Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, COMET, REFER,
SUBSCRIBE, NOTIFY, INFO, UPDATE, REGISTER.
Allow-Events: telephone-event.
Contact: <sip:400#2116873831 at 213.5.1.6:5060>.
Record-Route: <sip:213.5.43.4;lr=on;ftag=299ad500d129e32>.
Content-Disposition: session;handling=required.
Content-Type: application/sdp.
Content-Length: 232.
.
v=0.
o=CiscoSystemsSIP-GW-UserAgent 7897 3551 IN IP4 213.5.1.6.
s=SIP Call.
c=IN IP4 213.5.1.6.
t=0 0.
m=audio 19140 RTP/AVP 18.
c=IN IP4 213.5.1.6.
a=rtpmap:18 G729/8000.
a=fmtp:18 annexb=no.
a=ptime:40.
a=silenceSupp:off - - - -.
 
#
U 2007/04/18 13:44:47.413787 213.5.1.6:5060 -> 213.5.43.4:5060
SIP/2.0 183 Session Progress.
Via: SIP/2.0/UDP 213.5.43.4;branch=z9hG4bKb455.b4c98796.0,SIP/2.0/UDP
213.5.17.223:5058;rport=5058;branch=z9hG4bK08349b43d.
From: demo1 <sip:demo1 at sip.altecnet.gr:5060>;tag=299ad500d129e32.
To: 2116873831 <sip:2116873831 at sip.altecnet.gr:5060>;tag=4C655430-F57.
Date: Wed, 18 Apr 2007 10:44:46 GMT.
Call-ID: 91a3a06767e6d11c4a62a583078d95fb at 213.5.17.223.
Server: Cisco-SIPGateway/IOS-12.x.
CSeq: 424044974 INVITE.
Require: 100rel.
RSeq: 1883.
Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, COMET, REFER,
SUBSCRIBE, NOTIFY, INFO, UPDATE, REGISTER.
Allow-Events: telephone-event.
Contact: <sip:400#2116873831 at 213.5.1.6:5060>.
Record-Route: <sip:213.5.43.4;lr=on;ftag=299ad500d129e32>.
Content-Disposition: session;handling=required.
Content-Type: application/sdp.
Content-Length: 232.
.
v=0.
o=CiscoSystemsSIP-GW-UserAgent 7897 3551 IN IP4 213.5.1.6.
s=SIP Call.
c=IN IP4 213.5.1.6.
t=0 0.
m=audio 19140 RTP/AVP 18.
c=IN IP4 213.5.1.6.
a=rtpmap:18 G729/8000.
a=fmtp:18 annexb=no.
a=ptime:40.
a=silenceSupp:off - - - -.
 
#
U 2007/04/18 13:44:47.414278 213.5.43.4:5060 -> 213.5.17.223:5058
SIP/2.0 183 Session Progress.
Via: SIP/2.0/UDP 213.5.17.223:5058;rport=5058;branch=z9hG4bK08349b43d.
From: demo1 <sip:demo1 at sip.altecnet.gr:5060>;tag=299ad500d129e32.
To: 2116873831 <sip:2116873831 at sip.altecnet.gr:5060>;tag=4C655430-F57.
Date: Wed, 18 Apr 2007 10:44:46 GMT.
Call-ID: 91a3a06767e6d11c4a62a583078d95fb at 213.5.17.223.
Server: Cisco-SIPGateway/IOS-12.x.
CSeq: 424044974 INVITE.
Require: 100rel.
RSeq: 1883.
Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, COMET, REFER,
SUBSCRIBE, NOTIFY, INFO, UPDATE, REGISTER.
Allow-Events: telephone-event.
Contact: <sip:400#2116873831 at 213.5.1.6:5060>.
Record-Route: <sip:213.5.43.4;lr=on;ftag=299ad500d129e32>.
Content-Disposition: session;handling=required.
Content-Type: application/sdp.
Content-Length: 232.
.
v=0.
o=CiscoSystemsSIP-GW-UserAgent 7897 3551 IN IP4 213.5.1.6.
s=SIP Call.
c=IN IP4 213.5.1.6.
t=0 0.
m=audio 19140 RTP/AVP 18.
c=IN IP4 213.5.1.6.
a=rtpmap:18 G729/8000.
a=fmtp:18 annexb=no.
a=ptime:40.
a=silenceSupp:off - - - -.
 
#
U 2007/04/18 13:44:48.413460 213.5.1.6:5060 -> 213.5.43.4:5060
SIP/2.0 183 Session Progress.
Via: SIP/2.0/UDP 213.5.43.4;branch=z9hG4bKb455.b4c98796.0,SIP/2.0/UDP
213.5.17.223:5058;rport=5058;branch=z9hG4bK08349b43d.
From: demo1 <sip:demo1 at sip.altecnet.gr:5060>;tag=299ad500d129e32.
To: 2116873831 <sip:2116873831 at sip.altecnet.gr:5060>;tag=4C655430-F57.
Date: Wed, 18 Apr 2007 10:44:46 GMT.
Call-ID: 91a3a06767e6d11c4a62a583078d95fb at 213.5.17.223.
Server: Cisco-SIPGateway/IOS-12.x.
CSeq: 424044974 INVITE.
Require: 100rel.
RSeq: 1883.
Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, COMET, REFER,
SUBSCRIBE, NOTIFY, INFO, UPDATE, REGISTER.
Allow-Events: telephone-event.
Contact: <sip:400#2116873831 at 213.5.1.6:5060>.
Record-Route: <sip:213.5.43.4;lr=on;ftag=299ad500d129e32>.
Content-Disposition: session;handling=required.
Content-Type: application/sdp.
Content-Length: 232.
.
v=0.
o=CiscoSystemsSIP-GW-UserAgent 7897 3551 IN IP4 213.5.1.6.
s=SIP Call.
c=IN IP4 213.5.1.6.
t=0 0.
m=audio 19140 RTP/AVP 18.
c=IN IP4 213.5.1.6.
a=rtpmap:18 G729/8000.
a=fmtp:18 annexb=no.
a=ptime:40.
a=silenceSupp:off - - - -.
 
#
U 2007/04/18 13:44:48.413952 213.5.43.4:5060 -> 213.5.17.223:5058
SIP/2.0 183 Session Progress.
Via: SIP/2.0/UDP 213.5.17.223:5058;rport=5058;branch=z9hG4bK08349b43d.
From: demo1 <sip:demo1 at sip.altecnet.gr:5060>;tag=299ad500d129e32.
To: 2116873831 <sip:2116873831 at sip.altecnet.gr:5060>;tag=4C655430-F57.
Date: Wed, 18 Apr 2007 10:44:46 GMT.
Call-ID: 91a3a06767e6d11c4a62a583078d95fb at 213.5.17.223.
Server: Cisco-SIPGateway/IOS-12.x.
CSeq: 424044974 INVITE.
Require: 100rel.
RSeq: 1883.
Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, COMET, REFER,
SUBSCRIBE, NOTIFY, INFO, UPDATE, REGISTER.
Allow-Events: telephone-event.
Contact: <sip:400#2116873831 at 213.5.1.6:5060>.
Record-Route: <sip:213.5.43.4;lr=on;ftag=299ad500d129e32>.
Content-Disposition: session;handling=required.
Content-Type: application/sdp.
Content-Length: 232.
.
v=0.
o=CiscoSystemsSIP-GW-UserAgent 7897 3551 IN IP4 213.5.1.6.
s=SIP Call.
c=IN IP4 213.5.1.6.
t=0 0.
m=audio 19140 RTP/AVP 18.
c=IN IP4 213.5.1.6.
a=rtpmap:18 G729/8000.
a=fmtp:18 annexb=no.
a=ptime:40.
a=silenceSupp:off - - - -.
 
#
U 2007/04/18 13:44:48.582989 213.5.1.6:5060 -> 213.5.43.4:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 213.5.43.4;branch=z9hG4bKb455.b4c98796.0,SIP/2.0/UDP
213.5.17.223:5058;rport=5058;branch=z9hG4bK08349b43d.
From: demo1 <sip:demo1 at sip.altecnet.gr:5060>;tag=299ad500d129e32.
To: 2116873831 <sip:2116873831 at sip.altecnet.gr:5060>;tag=4C655430-F57.
Date: Wed, 18 Apr 2007 10:44:46 GMT.
Call-ID: 91a3a06767e6d11c4a62a583078d95fb at 213.5.17.223.
Server: Cisco-SIPGateway/IOS-12.x.
CSeq: 424044974 INVITE.
Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, COMET, REFER,
SUBSCRIBE, NOTIFY, INFO, UPDATE, REGISTER.
Allow-Events: telephone-event.
Contact: <sip:400#2116873831 at 213.5.1.6:5060>.
Record-Route: <sip:213.5.43.4;lr=on;ftag=299ad500d129e32>.
Content-Type: application/sdp.
Content-Length: 232.
.
v=0.
o=CiscoSystemsSIP-GW-UserAgent 7897 3551 IN IP4 213.5.1.6.
s=SIP Call.
c=IN IP4 213.5.1.6.
t=0 0.
m=audio 19140 RTP/AVP 18.
c=IN IP4 213.5.1.6.
a=rtpmap:18 G729/8000.
a=fmtp:18 annexb=no.
a=ptime:40.
a=silenceSupp:off - - - -.
 
#
U 2007/04/18 13:44:48.583304 213.5.43.4:5060 -> 213.5.17.223:5058
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 213.5.17.223:5058;rport=5058;branch=z9hG4bK08349b43d.
From: demo1 <sip:demo1 at sip.altecnet.gr:5060>;tag=299ad500d129e32.
To: 2116873831 <sip:2116873831 at sip.altecnet.gr:5060>;tag=4C655430-F57.
Date: Wed, 18 Apr 2007 10:44:46 GMT.
Call-ID: 91a3a06767e6d11c4a62a583078d95fb at 213.5.17.223.
Server: Cisco-SIPGateway/IOS-12.x.
CSeq: 424044974 INVITE.
Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, COMET, REFER,
SUBSCRIBE, NOTIFY, INFO, UPDATE, REGISTER.
Allow-Events: telephone-event.
Contact: <sip:400#2116873831 at 213.5.1.6:5060>.
Record-Route: <sip:213.5.43.4;lr=on;ftag=299ad500d129e32>.
Content-Type: application/sdp.
Content-Length: 232.
.
v=0.
o=CiscoSystemsSIP-GW-UserAgent 7897 3551 IN IP4 213.5.1.6.
s=SIP Call.
c=IN IP4 213.5.1.6.
t=0 0.
m=audio 19140 RTP/AVP 18.
c=IN IP4 213.5.1.6.
a=rtpmap:18 G729/8000.
a=fmtp:18 annexb=no.
a=ptime:40.
a=silenceSupp:off - - - -.
 
#
U 2007/04/18 13:44:48.718798 213.5.17.223:5058 -> 213.5.43.4:5060
ACK sip:2116873831 at sip.altecnet.gr:5060 SIP/2.0.
Max-Forwards: 70.
Content-Length: 0.
Via: SIP/2.0/UDP 213.5.17.223:5058;branch=z9hG4bKd1e7e81f7.
Call-ID: 91a3a06767e6d11c4a62a583078d95fb at 213.5.17.223.
From: demo1 <sip:demo1 at sip.altecnet.gr:5060>;tag=299ad500d129e32.
To: 2116873831 <sip:2116873831 at sip.altecnet.gr:5060>;tag=4C655430-F57.
Route: <sip:213.5.43.4;lr=on;ftag=299ad500d129e32>.
CSeq: 424044974 ACK.
Proxy-Authorization:Digest
response="87bc0f48f292fa5213368434f8712c39",username="demo1",realm="alte
cnet.gr",nonce="4625f7cabd05f0720edd9ab601211b1759066235",uri="sip:21168
73831 at sip.altecnet.gr:5060".
User-Agent: Brcm-Callctrl/v1.7.1.1 MxSF/v3.6.2.5.
.
 
#
U 2007/04/18 13:44:48.719303 213.5.43.4:5060 -> 213.5.43.4:5060
ACK sip:213.5.43.4;lr=on;ftag=299ad500d129e32 SIP/2.0.
Record-Route: <sip:213.5.43.4;lr=on;ftag=299ad500d129e32>.
Max-Forwards: 69.
Content-Length: 0.
Via: SIP/2.0/UDP 213.5.43.4;branch=z9hG4bKb455.b4c98796.2.
Via: SIP/2.0/UDP 213.5.17.223:5058;rport=5058;branch=z9hG4bKd1e7e81f7.
Call-ID: 91a3a06767e6d11c4a62a583078d95fb at 213.5.17.223.
From: demo1 <sip:demo1 at sip.altecnet.gr:5060>;tag=299ad500d129e32.
To: 2116873831 <sip:2116873831 at sip.altecnet.gr:5060>;tag=4C655430-F57.
CSeq: 424044974 ACK.
Proxy-Authorization:Digest
response="87bc0f48f292fa5213368434f8712c39",username="demo1",realm="alte
cnet.gr",nonce="4625f7cabd05f0720edd9ab601211b1759066235",uri="sip:21168
73831 at sip.altecnet.gr:5060".
User-Agent: Brcm-Callctrl/v1.7.1.1 MxSF/v3.6.2.5.
P-hint: rr-enforced.
.

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