Hello,

the "***** [Remaining retries omitted …]" are very important. The issue is that the ACK is not routed properly to the gateway. The caller's phone is broken, does not handle properly the record-routing. the ACK has no information to route the message to the gateway.

As you can see the r-uri is set to sip server and the Route header as well (in the Route headers matters he host part and the port). So, either the r-uri or the Route header has to be the address from the Contact header of the 200 OK reply,

Cheers,
Daniel




On 07/12/06 17:49, Hamid Ali Asgari wrote:

Hi,

Here comes the dump from ngrep for a sample call.

Any idea what’s wrong?

Thanks,

Hamid10.30.30.19: Cisco Gateway

10.30.30.18: OpenSER

192.168.11.102: UA

#

#

U 10.30.30.19:5060 -> 10.30.30.18:5060

SIP/2.0 200 OK.

Via: SIP/2.0/UDP 10.30.30.18;branch=0,SIP/2.0/UDP 192.168.11.102:5060;branch=z9hG4bK10145.

From: [EMAIL PROTECTED] <sip:[EMAIL PROTECTED]>;tag=analog-sip28734.

To: 0098146 <sip:[EMAIL PROTECTED]>;tag=9A65C-1F0E.

Date: Fri, 01 Mar 2002 00:10:32 GMT.

Call-ID: [EMAIL PROTECTED]

Server: Cisco-SIPGateway/IOS-12.x.

CSeq: 101 INVITE.

Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, COMET, REFER, SUBSCRIBE, NOTIFY, INFO, UPDATE, REGISTER.

Allow-Events: telephone-event.

Contact: <sip:[EMAIL PROTECTED]:5060>.

Record-Route: <sip:10.30.30.18;ftag=analog-sip28734;lr=on>.

Content-Type: application/sdp.

Content-Length: 252.

.

v=0.

o=CiscoSystemsSIP-GW-UserAgent 6865 4884 IN IP4 10.30.30.19.

s=SIP Call.

c=IN IP4 10.30.30.19.

t=0 0.

m=audio 16400 RTP/AVP 18 103.

c=IN IP4 10.30.30.19.

a=rtpmap:18 G729/8000.

a=fmtp:18 annexb=no.

a=rtpmap:103 telephone-event/8000.

a=fmtp:103 0-15.

#

U 10.30.30.18:5060 -> 192.168.11.102:5060

SIP/2.0 200 OK.

Via: SIP/2.0/UDP 192.168.11.102:5060;branch=z9hG4bK10145.

From: [EMAIL PROTECTED] <sip:[EMAIL PROTECTED]>;tag=analog-sip28734.

To: 0098146 <sip:[EMAIL PROTECTED]>;tag=9A65C-1F0E.

Date: Fri, 01 Mar 2002 00:10:32 GMT.

Call-ID: [EMAIL PROTECTED]

Server: Cisco-SIPGateway/IOS-12.x.

CSeq: 101 INVITE.

Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, COMET, REFER, SUBSCRIBE, NOTIFY, INFO, UPDATE, REGISTER.

Allow-Events: telephone-event.

Contact: <sip:[EMAIL PROTECTED]:5060>.

Record-Route: <sip:10.30.30.18;ftag=analog-sip28734;lr=on>.

Content-Type: application/sdp.

Content-Length: 252.

.

v=0.

o=CiscoSystemsSIP-GW-UserAgent 6865 4884 IN IP4 10.30.30.19.

s=SIP Call.

c=IN IP4 10.30.30.19.

t=0 0.

m=audio 16400 RTP/AVP 18 103.

c=IN IP4 10.30.30.19.

a=rtpmap:18 G729/8000.

a=fmtp:18 annexb=no.

a=rtpmap:103 telephone-event/8000.

a=fmtp:103 0-15.

#

U 192.168.11.102:5060 -> 10.30.30.18:5060

ACK sip:10.30.30.18;ftag=analog-sip28734;lr SIP/2.0.

Via: SIP/2.0/UDP 192.168.11.102:5060;branch=z9hG4bK9072.

To: 0098146 <sip:[EMAIL PROTECTED]>;tag=9A65C-1F0E.

From: [EMAIL PROTECTED] <sip:[EMAIL PROTECTED]>;tag=analog-sip28734.

Call-ID: [EMAIL PROTECTED]

CSeq: 101 ACK.

Route:<sip:[EMAIL PROTECTED]>.

Contact: <sip:[EMAIL PROTECTED]:5060>.

Max-Forwards: 70.

Content-Length: 0.

.

#

***** [Remaining retries omitted …]

#

U 10.30.30.19:55584 -> 10.30.30.18:5060

BYE sip:[EMAIL PROTECTED]:5060 SIP/2.0.

Via: SIP/2.0/UDP 10.30.30.19:5060;branch=z9hG4bK11BD8.

From: 0098146 <sip:[EMAIL PROTECTED]>;tag=9A65C-1F0E.

To: [EMAIL PROTECTED] <sip:[EMAIL PROTECTED]>;tag=analog-sip28734.

Date: Fri, 01 Mar 2002 00:10:32 GMT.

Call-ID: [EMAIL PROTECTED]

User-Agent: Cisco-SIPGateway/IOS-12.x.

Max-Forwards: 70.

Route: <sip:10.30.30.18;ftag=analog-sip28734;lr=on>.

Timestamp: 1014941453.

CSeq: 101 BYE.

Content-Length: 0.

.

#

U 10.30.30.18:5060 -> 192.168.11.102:5060

BYE sip:[EMAIL PROTECTED]:5060 SIP/2.0.

Record-Route: <sip:10.30.30.18;ftag=9A65C-1F0E;lr=on>.

Via: SIP/2.0/UDP 10.30.30.18;branch=z9hG4bK6b5f.4db3aed2.0.

Via: SIP/2.0/UDP 10.30.30.19:5060;branch=z9hG4bK11BD8.

From: 0098146 <sip:[EMAIL PROTECTED]>;tag=9A65C-1F0E.

To: [EMAIL PROTECTED] <sip:[EMAIL PROTECTED]>;tag=analog-sip28734.

Date: Fri, 01 Mar 2002 00:10:32 GMT.

Call-ID: [EMAIL PROTECTED]

User-Agent: Cisco-SIPGateway/IOS-12.x.

Max-Forwards: 69.

Timestamp: 1014941453.

CSeq: 101 BYE.

Content-Length: 0.

P-hint: rr-enforced.

.

#

U 192.168.11.102:5060 -> 10.30.30.18:5060

SIP/2.0 200 OK.

Via: SIP/2.0/UDP 10.30.30.18;branch=z9hG4bK6b5f.4db3aed2.0,SIP/2.0/UDP 10.30.30.19:5060;branch=z9hG4bK11BD8.

To: [EMAIL PROTECTED] <sip:[EMAIL PROTECTED]>;tag=analog-sip28734.

From: 0098146 <sip:[EMAIL PROTECTED]>;tag=9A65C-1F0E.

Call-ID: [EMAIL PROTECTED]

CSeq: 101 BYE.

Record-Route:<sip:10.30.30.18;ftag=9A65C-1F0E;lr>.

Content-Length: 0.

.

#

U 10.30.30.18:5060 -> 10.30.30.19:5060

SIP/2.0 200 OK.

Via: SIP/2.0/UDP 10.30.30.19:5060;branch=z9hG4bK11BD8.

To: [EMAIL PROTECTED] <sip:[EMAIL PROTECTED]>;tag=analog-sip28734.

From: 0098146 <sip:[EMAIL PROTECTED]>;tag=9A65C-1F0E.

Call-ID: [EMAIL PROTECTED]

CSeq: 101 BYE.

Record-Route:<sip:10.30.30.18;ftag=9A65C-1F0E;lr>.

Content-Length: 0.

------------------------------------------------------------------------

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