1. Essentials Guide
  2. Oracle USM Supporting the IMS Core
  3. IFC Support for Unregistered Users
  4. UE-terminating requests to an unregistered user
  5. Terminating UA - Unregistered

Terminating UA - Unregistered

UE has never registered.

This image depicts the OCUSM or OCCSM managing status of a call to an unregistered endpoint.