> -----Original Message-----
> From: Worley, Dale (BL60:9D30) 
> Sent: Tuesday, November 10, 2009 12:05 AM
> 
> On Mon, 2009-11-09 at 19:55 -0500, Dale Worley wrote:
> > If I understand you, the problem is that while the SAA shortens the 
> > resubscribe interval to 60 seconds so that the application 
> code gets 
> > prompt notification if the notifier becomes inaccessible, the 
> > SipSubscribeClient's "retry" code takes considerably longer than 60 
> > seconds to give up attempting to re-SUBSCRIBE and notify the 
> > application of subscription failure.
> 
> My belief is that the SAA application code shortens the 
> subscription refresh time to 60 seconds, whereas the 
> re-SUBSCRIBE retry sequence takes more than 5 minutes.  But 
> it is clear that there is no value to attempting to 
> re-subscribe after the (known) termination point of the 
> subscription.  So if we modify SipSubscribeClient in this 
> way, it will start resubscribing at about 2/3 of the 
> expiration point, 40 seconds, but if it reaches the 60 second 
> point, it will stop attempting to resubscribe, and will 
> report the subscription as having terminated.  (It will 
> attempt a new subscription, but the old subscription will be 
> reported to the application code as having ended.)  This 
> should give the effect you want.
> 
> Dale
> 
Sounds good.  The SAA shortens the subscription time to 300 seconds (5
minutes), which is the shortest value recommended in the draft.

Carolyn
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