[pjsip] presence bandwidth

Adrian Georgescu ag at ag-projects.com
Tue Aug 25 04:36:58 EDT 2009

Notifies are also less both in size (think about the SIP headers for  
each NOTIFY) and number, the server acts on a timer practically  
throttling the replies, this depends really on how many NOTIFYs are  
collected from downstream.


On Aug 25, 2009, at 10:28 AM, Klaus Darilion wrote:

> Adrian Georgescu schrieb:
>> You need a RLS server for this. See http://sipsimpleclient.com/wiki/sip_subscribe_rls 
>>  for an example call flow.
> Does this really saves bandwidth for NOTIFYs? Unless the server does  
> not queue notifications there will be the same number of NOTIFYs as  
> with RLS - only the number of SUBSCRIBEs is reduced.
> regards
> klaus
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