Aayush: weblog

Introduction to Terminating Identity Presentation/Restriction (TIP/TIR) Service

Posted by Aayush Bhatnagar on October 11, 2009

Similar to OIP and OIR, the TIP and TIR services also have been very common place in legacy networks.

The TIP service enables the calling party to receive the identification information of the remote party from the network. This information is provided to the originating party once the IMS communication has been accepted between the endpoints. The information is delivered regardless of the capability of the handset to process such information at the originating end.

The TIR service provides the terminating party with an option to restrict the identity to be presented to the originating party of the IMS communication.  Logically speaking, it is the reverse of what TIP is.

The TIP and TIR services need some support at the handset’s end as well to function properly. Currently the 3GPP  release is at 8.3 regarding these services.


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