[SIPForum-discussion] Problem with SIP ACK to HOLD REQUEST

[Roy, Nishant Kishore]

HI,
I don't think duplicate Max-Forwards and Date will cause a problem for the ACK discarding ....
Please have a look on the stack traces for more details whether the Dialog is matching or not ....
 Please inform me the route cause for this problem I will be interested to know ..

Regards
Nishant


-----Original Message-----
From: discussion-bounces at sipforum.org [mailto:discussion-bounces at sipforum.org] On Behalf Of Antony Papageorgiou
Sent: Friday, March 28, 2008 12:47 PM
To: discussion at sipforum.org
Subject: [SIPForum-discussion] Problem with SIP ACK to HOLD REQUEST


Hello all,

I'm having trouble with an ACK. It seems that it is sent to the phone but the phone does not change state.

The SIP dialog refers to a HOLD request:

SIP SM -->INVITE(SDP inactive) --> B

B --> 200 OK (sdp inactive) --> SIP SM

SIP MS --> ACK --> B

I see that this ACK has duplicate "Date" and "Max-Forwards" fields. Does anyone know if this is causing the phone to discard the ACK?

ACK sip:2104211006 at 10.4.211.206:5060;transport=udp
SIP/2.0

To: 2104211006
<sip:2104211006 at 10.4.211.206:5060>;tag=3354741229
From: <sip:2104211003 at 10.4.211.102>;tag=snl_0008345123
Call-ID:
NSNSIP-ad4040a-ad4040a-1-11-1206526294-48361-1206574655
CSeq: 1236 ACK
Contact:
<sip:2104211003 at 10.4.211.102:5060;transport=udp;maddr=10.4.211.102>
Via: SIP/2.0/UDP
10.4.211.102:5060;branch=z9hG4bKNSNSIP-ad4040a-ad4040a-1-23412534
Date: Wed, 26 Mar 2008 10:11:38 GMT
Max-Forwards: 69
Date: Wed, 26 Mar 2008 10:11:38 GMT
Max-Forwards: 69
Content-Length: 0





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