On 2010-06-11 11:58, WORLEY, Dale R (Dale) wrote: > Please tell us the brand of phone and the firmware version. In any > situation, if a phone's attempt to subscribe to MWI fails, it should wait > increasing time intervals before retrying in order to prevent flooding the > system. (MWI subscriptions can fail for many reasons, and an aggressive > retrying system can prevent the system from recovering from a service > outage.) The phone manufacturer definitely needs to revise the firmware. > The definition of the 403 Forbidden response specifically instructs the UA _not_ to retry the request. That response _means_ that the failure is permanent and subsequent retries will also fail.
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