9.1.17 Handover failure

3GPP44.018GSM/EDGE Radio Resource Control (RRC) protocolMobile radio interface Layer 3 specificationRelease 17TS

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

This message is sent on the main DCCH on the old channel from the mobile station to the network to indicate that the mobile station has failed to seize the new channel. See table 9.1.17.1.

Message type: HANDOVER FAILURE

Significance: dual

Direction: mobile station to network

Table 9.1.17.1: HANDOVER FAILURE message content

IEI	Information element	Type / Reference	Presence	Format	length
	RR management Protocol Discriminator	Protocol Discriminator 10.2	M	V	1/2
	Skip Indicator	Skip Indicator 10.3.1	M	V	1/2
	Handover Failure Message Type	Message Type 10.4	M	V	1
	RR Cause	RR Cause 10.5.2.31	M	V	1
9-	PS Cause	PS Cause 10.5.2.67	O	TV	1

9.1.17.1 PS Cause

The PS Cause IE shall only be included in the case of DTM Handover where there is an error in the packet resources described in the DTM HANDOVER COMMAND message.