Scenario
A SIP User Equipment (UE) is registered with an Application Server (AS).
- The UE may belong to a public or a private network and AS belongs to a core network.
- The is intermediary between the UE and the AS in the core network.
- The UE is pre configured with one or more addresses.
- The protects core network from harmful attacks and high traffic levels.
- The authenticates and ensures only registered subscribers or UE's access the service.
- The provides facilities for protocol repair and verification.
- The routes the UE registration request to an appropriate AS.
Description
- When the UE contacts the and the UE is unable to authenticate with the AS, the rejects the