On 23 Mar 2015, at 23:42, Alex Balashov <abalas...@evaristesys.com> wrote:

> Anthony,
> 
> The Contact presented by the subscriber in the initial subscription is:
> 
>   m: "Test User" 
> <sip:172.16.4.7;line=sr-D8G7CE2.5PUeK-xuarl7NYDdNYDxNYlFUYoeUeQ8Cw.6DE2vDdyJDAa4TliwC84OC82LK-2ehwl7NYDdNYDxNYlFUAm6UYzm0gme>;+sip.ice
> 
> And the subsequent NOTIFY is correctly targeted to this RURI:
> 
>   NOTIFY 
> sip:172.16.4.7;line=sr-D8G7CE2.5PUeK-xuarl7NYDdNYDxNYlFUYoeUeQ8Cw.6DE2vDdyJDAa4TliwC84OC82LK-2ehwl7NYDdNYDxNYlFUAm6UYzm0gme
>  SIP/2.0
> 
> The subscriber returns this Contact in the 200 OK response for the NOTIFY:
> 
>   m: "Test User" 
> <sip:172.16.4.7;line=sr-D8G7CE2.5PUeK-xuarl7NYDdNYDxNYlFUYoeUeQ8Cw.6DE2vDdyJDAa4TliwC84O>;+sip.ice
> 
> And subsequent NOTIFYs appear to use this RURI instead of the original 
> Contact of the subscriber:
> 
>   NOTIFY 
> sip:172.16.4.7;line=sr-D8G7CE2.5PUeK-xuarl7NYDdNYDxNYlFUYoeUeQ8Cw.6DE2vDdyJDAa4TliwC84O
>  SIP/2.0
> 
>   NOTIFY 
> sip:172.16.4.7;line=sr-D8G7CE2.5PUeK-xuarl7NYDdNYDxNYlFUYoeUeQ8Cw.6DE2vDdyJDAa4TliwC84O
>  SIP/2.0
> 
> etc.
> 
> A SUBSCRIBE is a dialog-creating event, so in-dialog messages (e.g. NOTIFYs) 
> should be targeted at a Request URI corresponding to the Contact URI of the 
> SUBSCRIBE-er. It seems to me that this is the problem here, rather than 
> truncation.
> 
I think that changed recently. The NOTIFY is a dialog-creating event, since a 
SUBSCRIBE can fork to many destinations.

/O


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