10.4 Message Type

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

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

The message type IE and its use are defined in 3GPP TS 24.007. Tables 10.4.1 and 10.4.2 define the value part of the message type IE used in the Radio Resource management protocol. Table 10.4.3 defines the value part of the message type IE used in the GPRS Transparent Transport protocol. Table 10.4.4 defines the value part of the message type IE used in the Radio Resource management protocol for messages sent on the EC-BCCH and EC-CCCH.

Table 10.4.1: Message types for Radio Resource management

8 7 6 5 4 3 2 1
Channel establishment messages: 0 0 1 1 1 1 0 0 Reserved (see NOTE) 0 0 1 1 1 0 1 1 ADDITIONAL ASSIGNMENT 0 0 1 1 1 1 1 1 IMMEDIATE ASSIGNMENT 0 0 1 1 1 0 0 1 IMMEDIATE ASSIGNMENT EXTENDED 0 0 1 1 1 0 1 0 IMMEDIATE ASSIGNMENT REJECT 0 1 1 0 1 0 0 1 IMMEDIATE PACKET ASSIGNMENT 0 1 1 0 1 0 1 0 EC IMMEDIATE ASSIGNMENT TYPE 1
Ciphering messages: 0 0 1 1 0 1 0 1 CIPHERING MODE COMMAND 0 0 1 1 0 0 1 0 CIPHERING MODE COMPLETE
Configuration change messages: 0 0 1 1 0 0 0 0 CONFIGURATION CHANGE COMMAND 0 0 1 1 0 0 0 1 CONFIGURATION CHANGE ACK. 0 0 1 1 0 0 1 1 CONFIGURATION CHANGE REJECT
Handover messages: 0 0 1 0 1 1 1 0 ASSIGNMENT COMMAND 0 0 1 0 1 0 0 1 ASSIGNMENT COMPLETE 0 0 1 0 1 1 1 1 ASSIGNMENT FAILURE 0 0 1 0 1 0 1 1 HANDOVER COMMAND 0 0 1 0 1 1 0 0 HANDOVER COMPLETE 0 0 1 0 1 0 0 0 HANDOVER FAILURE 0 0 1 0 1 1 0 1 PHYSICAL INFORMATION 0 0 0 0 1 0 0 0 Reserved (see NOTE) 0 0 1 0 0 0 1 1 Reserved (see NOTE)
Channel release messages: 0 0 0 0 1 1 0 1 CHANNEL RELEASE 0 0 0 0 1 0 1 0 PARTIAL RELEASE 0 0 0 0 1 1 1 1 PARTIAL RELEASE COMPLETE
Paging and Notification messages: 0 0 1 0 0 0 0 1 PAGING REQUEST TYPE 1 0 0 1 0 0 0 1 0 PAGING REQUEST TYPE 2 0 0 1 0 0 1 0 0 PAGING REQUEST TYPE 3 0 0 1 0 0 1 1 1 PAGING RESPONSE 0 0 1 0 0 0 0 0 NOTIFICATION/NCH 0 0 1 0 0 1 0 1 Reserved (see NOTE) 0 0 1 0 0 1 1 0 NOTIFICATION/RESPONSE 0 0 0 0 1 0 1 1 Reserved (see NOTE)
System information messages: 0 0 0 1 1 0 0 0 SYSTEM INFORMATION TYPE 8 0 0 0 1 1 0 0 1 SYSTEM INFORMATION TYPE 1 0 0 0 1 1 0 1 0 SYSTEM INFORMATION TYPE 2 0 0 0 1 1 0 1 1 SYSTEM INFORMATION TYPE 3 0 0 0 1 1 1 0 0 SYSTEM INFORMATION TYPE 4 0 0 0 1 1 1 0 1 SYSTEM INFORMATION TYPE 5 0 0 0 1 1 1 1 0 SYSTEM INFORMATION TYPE 6 0 0 0 1 1 1 1 1 SYSTEM INFORMATION TYPE 7
System information messages: 0 0 0 0 0 0 1 0 SYSTEM INFORMATION TYPE 2bis 0 0 0 0 0 0 1 1 SYSTEM INFORMATION TYPE 2ter 0 0 0 0 0 1 1 1 SYSTEM INFORMATION TYPE 2quater 0 0 0 0 0 1 0 1 SYSTEM INFORMATION TYPE 5bis 0 0 0 0 0 1 1 0 SYSTEM INFORMATION TYPE 5ter 0 0 0 0 0 1 0 0 SYSTEM INFORMATION TYPE 9 0 0 0 0 0 0 0 0 SYSTEM INFORMATION TYPE 13
System information messages: 0 0 1 1 1 1 0 1 SYSTEM INFORMATION TYPE 16 0 0 1 1 1 1 1 0 SYSTEM INFORMATION TYPE 17
Miscellaneous messages: 0 0 0 1 0 0 0 0 CHANNEL MODE MODIFY 0 0 0 1 0 0 1 0 RR STATUS 0 0 0 1 0 1 1 1 CHANNEL MODE MODIFY ACKNOWLEDGE 0 0 0 1 0 1 0 0 FREQUENCY REDEFINITION 0 0 0 1 0 1 0 1 MEASUREMENT REPORT 0 0 0 1 0 1 1 0 CLASSMARK CHANGE 0 0 0 1 0 0 1 1 CLASSMARK ENQUIRY 0 0 1 1 0 1 1 0 EXTENDED MEASUREMENT REPORT 0 0 1 1 0 1 1 1 EXTENDED MEASUREMENT ORDER 0 0 1 1 0 1 0 0 GPRS SUSPENSION REQUEST 0 0 0 1 0 1 1 0 MBMS ANNOUNCEMENT 0 0 1 1 0 1 1 0 SERVICE INFORMATION
VGCS uplink control messages: 0 0 0 0 1 0 0 1 VGCS UPLINK GRANT 0 0 0 0 1 1 1 0 UPLINK RELEASE 0 0 0 0 1 1 0 0 Reserved (see NOTE) 0 0 1 0 1 0 1 0 UPLINK BUSY 0 0 0 1 0 0 0 1 TALKER INDICATION 0 1 1 0 0 1 1 0 PRIORITY UPLINK REQUEST 0 1 1 0 0 1 1 1 DATA INDICATION 0 1 1 0 1 0 0 0 DATA INDICATION 2
Application messages: 0 0 1 1 1 0 0 0 APPLICATION INFORMATION
System information messages: 0 0 0 0 0 0 0 1 SYSTEM INFORMATION TYPE 14 0 1 0 0 0 0 1 1 SYSTEM INFORMATION TYPE 15 0 1 0 0 0 0 0 0 SYSTEM INFORMATION TYPE 18 0 1 0 0 0 0 0 1 SYSTEM INFORMATION TYPE 19 0 1 0 0 0 0 1 0 SYSTEM INFORMATION TYPE 20 0 1 0 0 0 1 0 0 SYSTEM INFORMATION TYPE 13alt 0 1 0 0 0 1 0 1 SYSTEM INFORMATION TYPE 2n 0 1 0 0 0 1 1 0 SYSTEM INFORMATION TYPE 21 0 1 0 0 0 1 1 1 SYSTEM INFORMATION TYPE 22 0 1 0 0 1 1 1 1 SYSTEM INFORMATION TYPE 23
DTM control messages: 0 1 0 0 1 0 0 0 DTM ASSIGNMENT FAILURE 0 1 0 0 1 0 0 1 DTM REJECT 0 1 0 0 1 0 1 0 DTM REQUEST 0 1 0 0 1 0 1 1 PACKET ASSIGNMENT 0 1 0 0 1 1 0 0 DTM ASSIGNMENT COMMAND 0 1 0 0 1 1 0 1 DTM INFORMATION 0 1 0 0 1 1 1 0 PACKET NOTIFICATION
Inter RAT specific messages: 0 1 1 0 0 0 0 0 UTRAN CLASSMARK CHANGE 0 1 1 0 0 0 1 0 CDMA 2000 CLASSMARK CHANGE 0 1 1 0 0 0 1 1 INTER SYSTEM TO UTRAN HANDOVER COMMAND 0 1 1 0 0 1 0 0 INTER SYSTEM TO CDMA2000 HANDOVER COMMAND 0 1 1 0 0 1 0 1 GERAN IU MODE CLASSMARK CHANGE 0 1 1 0 0 1 1 0 INTER SYSTEM TO E-UTRAN HANDOVER COMMAND

8 7 6 5 4 3 2 1

Channel establishment messages:

0 0 1 1 1 1 0 0 Reserved (see NOTE)

0 0 1 1 1 0 1 1 ADDITIONAL ASSIGNMENT

0 0 1 1 1 1 1 1 IMMEDIATE ASSIGNMENT

0 0 1 1 1 0 0 1 IMMEDIATE ASSIGNMENT EXTENDED

0 0 1 1 1 0 1 0 IMMEDIATE ASSIGNMENT REJECT

0 1 1 0 1 0 0 1 IMMEDIATE PACKET ASSIGNMENT

0 1 1 0 1 0 1 0 EC IMMEDIATE ASSIGNMENT TYPE 1

Ciphering messages:

0 0 1 1 0 1 0 1 CIPHERING MODE COMMAND

0 0 1 1 0 0 1 0 CIPHERING MODE COMPLETE

Configuration change messages:

0 0 1 1 0 0 0 0 CONFIGURATION CHANGE COMMAND

0 0 1 1 0 0 0 1 CONFIGURATION CHANGE ACK.

0 0 1 1 0 0 1 1 CONFIGURATION CHANGE REJECT

Handover messages:

0 0 1 0 1 1 1 0 ASSIGNMENT COMMAND

0 0 1 0 1 0 0 1 ASSIGNMENT COMPLETE

0 0 1 0 1 1 1 1 ASSIGNMENT FAILURE

0 0 1 0 1 0 1 1 HANDOVER COMMAND

0 0 1 0 1 1 0 0 HANDOVER COMPLETE

0 0 1 0 1 0 0 0 HANDOVER FAILURE

0 0 1 0 1 1 0 1 PHYSICAL INFORMATION

0 0 0 0 1 0 0 0 Reserved (see NOTE)

0 0 1 0 0 0 1 1 Reserved (see NOTE)

Channel release messages:

0 0 0 0 1 1 0 1 CHANNEL RELEASE

0 0 0 0 1 0 1 0 PARTIAL RELEASE

0 0 0 0 1 1 1 1 PARTIAL RELEASE COMPLETE

Paging and Notification messages:

0 0 1 0 0 0 0 1 PAGING REQUEST TYPE 1

0 0 1 0 0 0 1 0 PAGING REQUEST TYPE 2

0 0 1 0 0 1 0 0 PAGING REQUEST TYPE 3

0 0 1 0 0 1 1 1 PAGING RESPONSE

0 0 1 0 0 0 0 0 NOTIFICATION/NCH

0 0 1 0 0 1 0 1 Reserved (see NOTE)

0 0 1 0 0 1 1 0 NOTIFICATION/RESPONSE

0 0 0 0 1 0 1 1 Reserved (see NOTE)

System information messages:

0 0 0 1 1 0 0 0 SYSTEM INFORMATION TYPE 8

0 0 0 1 1 0 0 1 SYSTEM INFORMATION TYPE 1

0 0 0 1 1 0 1 0 SYSTEM INFORMATION TYPE 2

0 0 0 1 1 0 1 1 SYSTEM INFORMATION TYPE 3

0 0 0 1 1 1 0 0 SYSTEM INFORMATION TYPE 4

0 0 0 1 1 1 0 1 SYSTEM INFORMATION TYPE 5

0 0 0 1 1 1 1 0 SYSTEM INFORMATION TYPE 6

0 0 0 1 1 1 1 1 SYSTEM INFORMATION TYPE 7

System information messages:

0 0 0 0 0 0 1 0 SYSTEM INFORMATION TYPE 2bis

0 0 0 0 0 0 1 1 SYSTEM INFORMATION TYPE 2ter

0 0 0 0 0 1 1 1 SYSTEM INFORMATION TYPE 2quater

0 0 0 0 0 1 0 1 SYSTEM INFORMATION TYPE 5bis

0 0 0 0 0 1 1 0 SYSTEM INFORMATION TYPE 5ter

0 0 0 0 0 1 0 0 SYSTEM INFORMATION TYPE 9

0 0 0 0 0 0 0 0 SYSTEM INFORMATION TYPE 13

System information messages:

0 0 1 1 1 1 0 1 SYSTEM INFORMATION TYPE 16

0 0 1 1 1 1 1 0 SYSTEM INFORMATION TYPE 17

Miscellaneous messages:

0 0 0 1 0 0 0 0 CHANNEL MODE MODIFY

0 0 0 1 0 0 1 0 RR STATUS

0 0 0 1 0 1 1 1 CHANNEL MODE MODIFY ACKNOWLEDGE

0 0 0 1 0 1 0 0 FREQUENCY REDEFINITION

0 0 0 1 0 1 0 1 MEASUREMENT REPORT

0 0 0 1 0 1 1 0 CLASSMARK CHANGE

0 0 0 1 0 0 1 1 CLASSMARK ENQUIRY

0 0 1 1 0 1 1 0 EXTENDED MEASUREMENT REPORT

0 0 1 1 0 1 1 1 EXTENDED MEASUREMENT ORDER

0 0 1 1 0 1 0 0 GPRS SUSPENSION REQUEST

0 0 0 1 0 1 1 0 MBMS ANNOUNCEMENT

0 0 1 1 0 1 1 0 SERVICE INFORMATION

VGCS uplink control messages:

0 0 0 0 1 0 0 1 VGCS UPLINK GRANT

0 0 0 0 1 1 1 0 UPLINK RELEASE

0 0 0 0 1 1 0 0 Reserved (see NOTE)

0 0 1 0 1 0 1 0 UPLINK BUSY

0 0 0 1 0 0 0 1 TALKER INDICATION

0 1 1 0 0 1 1 0 PRIORITY UPLINK REQUEST

0 1 1 0 0 1 1 1 DATA INDICATION

0 1 1 0 1 0 0 0 DATA INDICATION 2

Application messages:

0 0 1 1 1 0 0 0 APPLICATION INFORMATION

System information messages:

0 0 0 0 0 0 0 1 SYSTEM INFORMATION TYPE 14

0 1 0 0 0 0 1 1 SYSTEM INFORMATION TYPE 15

0 1 0 0 0 0 0 0 SYSTEM INFORMATION TYPE 18

0 1 0 0 0 0 0 1 SYSTEM INFORMATION TYPE 19

0 1 0 0 0 0 1 0 SYSTEM INFORMATION TYPE 20

0 1 0 0 0 1 0 0 SYSTEM INFORMATION TYPE 13alt

0 1 0 0 0 1 0 1 SYSTEM INFORMATION TYPE 2n

0 1 0 0 0 1 1 0 SYSTEM INFORMATION TYPE 21

0 1 0 0 0 1 1 1 SYSTEM INFORMATION TYPE 22

0 1 0 0 1 1 1 1 SYSTEM INFORMATION TYPE 23

DTM control messages:

0 1 0 0 1 0 0 0 DTM ASSIGNMENT FAILURE

0 1 0 0 1 0 0 1 DTM REJECT

0 1 0 0 1 0 1 0 DTM REQUEST

0 1 0 0 1 0 1 1 PACKET ASSIGNMENT

0 1 0 0 1 1 0 0 DTM ASSIGNMENT COMMAND

0 1 0 0 1 1 0 1 DTM INFORMATION

0 1 0 0 1 1 1 0 PACKET NOTIFICATION

Inter RAT specific messages:

0 1 1 0 0 0 0 0 UTRAN CLASSMARK CHANGE

0 1 1 0 0 0 1 0 CDMA 2000 CLASSMARK CHANGE

0 1 1 0 0 0 1 1 INTER SYSTEM TO UTRAN HANDOVER COMMAND

0 1 1 0 0 1 0 0 INTER SYSTEM TO CDMA2000 HANDOVER COMMAND

0 1 1 0 0 1 0 1 GERAN IU MODE CLASSMARK CHANGE

0 1 1 0 0 1 1 0 INTER SYSTEM TO E-UTRAN HANDOVER COMMAND

Bit 8 is reserved for possible future use as an extension bit, see 3GPP TS 24.007.

NOTE This value was allocated but never used in earlier phases of the protocol.

Table 10.4.2: Message types for Radio Resource management messages
using the RR short protocol discriminator

5	4	3	2	1
0	0	0	0	0	System Information Type 10
0	0	0	0	1	Notification/FACCH
0	0	0	1	0	Uplink Free
0	0	1	0	0	Enhanced Measurement Report (uplink)
0	0	1	0	1	Measurement Information (downlink)
0	0	1	1	0	VBS/VGCS Reconfigure
0	0	1	1	1	VBS/VGCS Reconfigure2
0	1	0	0	0	VGCS Additional Information
0	1	0	0	1	VGCS SMS Information
0	1	0	1	0	System Information Type 10bis
0	1	0	1	1	System Information Type 10ter
0	1	1	0	0	VGCS Neighbour Cell Information
0	1	1	0	1	Notify Application Data

Table 10.4.3: Message types for GTTP messages

Message type	Message
8 7 6 5 4 3 2 1	Message
0 0 0 0 0 0 0 0	GPRS Information

Table 10.4.4: Message types for Radio Resource management on EC-BCCH and EC-CCCH

4 3 2 1
Channel establishment messages: 0 0 0 1 EC IMMEDIATE ASSIGNMENT TYPE 2 0 0 1 0 EC IMMEDIATE ASSIGNMENT REJECT 0 0 1 1 EC DUMMY 0 1 0 0 EC DOWNLINK ASSIGNMENT 0 1 0 1 EC IMMEDIATE ASSIGNMENT TYPE 3 0 1 1 0 EC DOWNLINK ASSIGNMENT TYPE 2 0 1 1 1 EC IMMEDIATE ASSIGNMENT TYPE 4
Paging messages: 1 0 0 1 EC PAGING REQUEST
System information messages: 3 2 1 0 0 1 EC-SYSTEM INFORMATION TYPE 1 0 1 0 EC-SYSTEM INFORMATION TYPE 2 0 1 1 EC-SYSTEM INFORMATION TYPE 3 1 0 0 EC-SYSTEM INFORMATION TYPE 4

4 3 2 1

Channel establishment messages:

0 0 0 1 EC IMMEDIATE ASSIGNMENT TYPE 2

0 0 1 0 EC IMMEDIATE ASSIGNMENT REJECT

0 0 1 1 EC DUMMY

0 1 0 0 EC DOWNLINK ASSIGNMENT

0 1 0 1 EC IMMEDIATE ASSIGNMENT TYPE 3

0 1 1 0 EC DOWNLINK ASSIGNMENT TYPE 2

0 1 1 1 EC IMMEDIATE ASSIGNMENT TYPE 4

Paging messages:

1 0 0 1 EC PAGING REQUEST

System information messages:

3 2 1

0 0 1 EC-SYSTEM INFORMATION TYPE 1

0 1 0 EC-SYSTEM INFORMATION TYPE 2

0 1 1 EC-SYSTEM INFORMATION TYPE 3

1 0 0 EC-SYSTEM INFORMATION TYPE 4

Table 10.4.5: Message types for Radio Resource management on EC-PICH

4 3 2 1
Paging Indication message: 1 0 0 0 EC PAGING INDICATION

4 3 2 1

Paging Indication message:

1 0 0 0 EC PAGING INDICATION