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TS 24.228 – §6.5   List   Prev   Next
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IMS R3 signalling flow - UE subscription for registration state event package - sequence chart for IMS R3-3. SIP NOTIFY request
  • S-CSCF1 sends a first NOTIFY request towards UE1 in order to inform UE1 about the registration status of the monitored user.
  • In the example below, the NOTIFY request specifies the following public user identity as registered (i.e. status=open): sip:user1_public1@home1.net, tel:+358504821437.
  • The following public user identity has been deregistered (i.e. status=closed) sip:user1_public2@home1.net. They are arranged in the preferred order of priority in this example.