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