9.1.11d GERAN IU Mode Classmark Change

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 by the mobile station to the network to indicate a GERAN Iu Mode Classmark Change or as a response to a GERAN Iu Mode Classmark Enquiry. See table 9.1.11d.1.

Message type: GERAN IU MODE CLASSMARK CHANGE

Significance: dual

Direction: mobile station to network

Table 9.1.11d.1: GERAN IU MODE CLASSMARK CHANGE 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
	GERAN Iu Mode Classmark Change Message Type	Message Type 10.4	M	V	1
	GERAN Iu Mode Classmark	GERAN Iu Mode Classmark 10.5.2.7d	M	LV	15-n