8.48 UE Registration Query

25.4133GPPRelease 17TSUTRAN Iu interface Radio Access Network Application Part (RANAP) signalling

8.48.1 General

The purpose of the UE Registration Query procedure is to enable the RNC to query the CN nodes in one CN domain whether the UE is served by any of the sharing operators in that CN domain. The procedure uses connection oriented signalling.

8.48.2 Successful Operation

Figure 63: UE Registration Query: Successful operation.

The RNC initiates the procedure by sending a UE REGISTRATION QUERY REQUEST message to one of the CN domains. The CN domain node shall, if supported, respond with a UE REGISTRATION QUERY RESPONSE message as described in TS 23.251 [39].

8.48.3 Unsuccessful Operation

Not applicable.

8.48.4 Abnormal Conditions

Not applicable.