5 Replies Latest reply on Sep 5, 2012 1:17 PM by geo

    TA908 and SIP SUBSCRIBE message for message waiting

    ehouser New Member

      I have a 908 in behind an NEC phone system.  The NEC sees this as a SIP station side device and the FXS ports are configured as user accounts.  Everything is working good but one thing.  The analog phones need to have some sort of message waiting.  In the registration process, we notice the 908 does not send a subscribe packet such as the SIP softphones do.  After a message is left, no notify message appears.  I am told from NEC the SIP users MUST send a subscribe packet for the PBX to properly send the MWI back to the 908.  How would this be overcome if at all?