8.45 Enhanced Relocation Complete Confirm

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

Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM

8.45.1 General

The purpose of the Enhanced Relocation Complete Confirm procedure is to indicate the CN (applicable towards the CS domain only) to switch the bearers towards the target RNC. The procedure uses connection-oriented signalling.

8.45.2 Successful Operation

Figure 60: Enhanced Relocation Complete Confirm procedure. Successful operation.

The RNC shall initialise the Enhanced Relocation Complete Confirm procedure by sending the ENHANCED RELOCATION COMPLETE CONFIRM message. If the RNC is not able to successfully initialise RABs for which an Iu user plane initialisation is necessary, it shall provide respective information within the RABs Failed To Initialise List IE with an appropriate cause value.