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Detach Type Information ElementDetach Type Value

(decimal)

Detach Type

(bits)

Programming

MnemonicDetach Type

1 001 REQ Re-attach Required

2 010 NREQ Re-attach not Required

3 011 IMSIIMSI Detach (after VLR

failure)

GMM Cause Information ElementGMM Cause Information Element

Cause Value (decimal) Cause Value (bits) Cause

2 00000010 IMSI Unknown

3 00000011 Illegal MS

4 00000100 IMSI UKNOWN IN VLR5 00000101 IMEI NOT ACCEPTED

6 00000110 Illegal ME

7 00000111 GPRS Services Not Allowed

8 00001000 GPRS/Non-GPRS Services Not Allowed

9 00001001 MS Identity Cannot Be Derived

10 00001010 Implicitly Detached

11 00001011 PLMN Not Allowed

12 00001100 Location Area Not Allowed

13 00001101 Roaming Not Allowed In This LA

16 00010000 MSC Temporarily Not Reachable

17 00010001 Network Failure

22 00010110 Congestion

32 00100000 Service Option Not Supported

33 00100001 Requested Service Option Not Subscribed

34 00100010 Service Option Temporarily Out of Order

48 00110000 Retry Upon Entry Into A New Cell

95 01011111 Semantically Incorrect Message96 01100000 Invalid Mandatory Information

97 01100001 Message Type Nonexistent

98 01100010 Msg Type Incompatible With Prot State

99 01100011 Information Element Nonexistent

100 01100100 Conditional IE Error

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GMM Cause Information Element

Cause Value (decimal) Cause Value (bits) Cause

101 01100101 Msg Incompatible With Protocol State

111 01101111 Protocol Error, Unspecified

SM Cause Information ElementSM Cause Information Element

Cause Value

(decimal)

Cause Value

(bits)Cause

24 00011000 MBMS Bearer Insufficient For Service

25 00011001 LLC or SNDCP Failure

26 00011010 Insufficient Resources

27 00011011 Missing or Unknown APN

28 00011100 Unknown PDP Address or PDP Type29 00011101 User Authentication Failed

30 00011110 Activation Rejected By GGSN

31 00011111 Activation Rejected, Unspecified

32 00100000 Service Option Not Supported

33 00100001 Requested Service Opt Not Subscribed

34 00100010 Service Opt Temporarily Out of Order

35 00100011 NSAPI Already Used

36 00100100 Regular Deactivation

37 00100101 QoS Not Accepted

38 00100110 Network Failure

39 00100111 Reactivation Required

40 00101000 Feature Not Supported

41 00101001 Semantic Error In the TFT Operation

42 00101010 Syntactical Error In the TFT Operation

43 00101011 Unknown PDP Context

44 00101100 Semantic Errors in Packet Filter(s)

45 00101101 Syntactical Errors in Packet Filter(s)46 00101110 PDP Context without TFT Already Activated

47 00101111 Multicast Group Membership Timeout

81 01010001 Invalid Transaction Identifier Value

95 01011111 Semantically Incorrect Message

96 01100000 Invalid Mandatory Information

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SM Cause Information Element

Cause Value

(decimal)

Cause Value

(bits)Cause

97 01100001 Msg Type Nonexistent/Not Implemented

98 01100010 Msg Type Incompatible With Protocol State99 01100011 IE Non-existent or Not Implemented

100 01100100 Conditional IE Error

101 01100101 Msg Not Compatible With Protocol State

111 01101111 Protocol Error, Unspecified

112 01110000APN Restrict Value Incompatible without PDPContext

Location Area Update Reject CauseYou can choose which cause value is sent to the mobile station in the Location Area UpdateReject message. the reject cause can be either of the followings:

y 00000010 (#2) - IMSI Unknowny 00000011 (#3) - Illegal MSy 00000100 (#4) - IMSI Unknown IN VLRy 00000101 (#5) - IMEI Not Acceptedy 00000110 (#6) - Illegal MSy 00000111 (#7) - GPRS Services Not Allowedy 00001000 (#8) - GPRS Services and Non-GPRS Services Not Allowedy 00001001 (#9) - MS Identity Cannot Be Derived By the Networky 00001010 (#10) - Implicitly Detachedy 00001011 (#11) - PLMN not allowedy 00001100 (#12) - Location Area not allowedy 00001101 (#13) - Roaming not allowed in LAy 00001110 (#14) - GPRS Services Not Allowed In This PLMNy 00001111 (#15) - No suitable cells in LAy 00010000 (#16) - MSC Temporarily Not Reachabley 00010001 (#17) - Network Failurey 00010100 (#20) - MAC Failurey 00010101 (#21) - Synch Failurey 00010110 (#22) - Congestiony 00010111 (#23) - GSM Authentication Unacceptabley 00100000 (#32) - Service Option Not Supportedy 00100001 (#33) - Requested Service Option Not Subscribedy 00100010 (#34) - Service Option Temporarily Out of Ordery 00100110 (#38) - Call Cannot Be Identifiedy 00101000 (#40) - No PDP Context Activatedy 00110000 (#48) - Retry Upon Entry Into a New Cally 01011111 (#95) - Semantically Incorrect Message

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y 01100000 (#96) - Invalid Mandatory Informationy 01100001 (#97) - Message Type Non-Existent or Not Implementedy 01100010 (#98) - Message Type Not Compatible With the Protocol Statey 01100011 (#99) - Information Element Non-Existent or Not Implementedy 01100100 (#100) - Conditional IE Errory

01100101 (#101) - Message Not Compatible With the Protocol Statey 01101111 (#111) - Protocol Error, Unspecified

Routing Area Update Reject Cause

You can choose which cause value is sent to the mobile station in the Routing Area UpdateReject message. You can choose the following reject causes from the front panel:

y 00000010 (#2) - IMSI Unknown inHLRy 00000011 (#3) - Illegal MSy 00000011 (#4) - IMSI Unknown in VLRy 00000011 (#5) - IMEI Not Acceptedy 00000110 (#6) - Illegal MEy 00000111 (#7) - GPRS Services Not Allowedy

00001000 (#8) - GPRS/Non-GPRS Services Not Allowedy 00001001 (#9) - MS Identity Cannot Be Derivedy 00001010 (#10) - Implicitly Detachedy 00001011 (#11) - PLMN not allowedy 00001100 (#12) - Location Area not allowedy 00001101 (#13) - Roaming not allowed in LAy 00001110 (#14) - GPRS Services Not Allowed In This PLMNy 00001111 (#15) - No suitable cells in LAy 00010000 (#16) - MSC Temporarily Not Reachabley 00010001 (#17) - Network Failurey 00010100 (#20) - MAC Failurey 00010101 (#21) - Synch Failurey 00010110 (#22) - Congestiony 00010111 (#23) - GSM Authentication Unacceptabley 00100000 (#32) - Service Option Not Supportedy 00100001 (#33) - Requested Service Option Not Subscribedy 00100010 (#34) - Service Option Temporarily Out of Ordery 00100110 (#38) - Call Cannot Be Identifiedy 00101000 (#40) - No PDP Context Activatedy 00110000 (#48) - Retry Upon Entry Into a New Cally 01011111 (#95) - Semantically Incorrect Messagey 01100000 (#96) - Invalid Mandatory Informationy 01100001 (#97) - Message Type Non-Existent or Not Implementedy 01100010 (#98) - Message Type Not Compatible With the Protocol Statey 01100011 (#99) - Information Element Non-Existent or Not Implementedy 01100100 (#100) - Conditional IE Errory 01100101 (#101) - Message Not Compatible With the Protocol Statey 01101111 (#111) - Protocol Error, Unspecified

Protocol Layers and MessagesLast updated: December 3, 2008

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This section is only applicable to the lab applications.This section outlines in a very general sense, the test set's support for individual protocol layers,

the procedures associated with them, and their respective messages. Messages not included heremay be supported. Certain parameters of messages included here may not be supported.

Observation Point 1 - LAPDm Over-the-Air MessagesThe Link Access Procedure on the Dm channel (LAPDm) is the protocol for use by the data link

layer on the radio interface. The frame structure and procedures for proper operation of theLAPDm are described in GSM 04.06.Operating Considerations

This observation point is not enabled by default. If you want to capture LAPDm messages usingthe WPA, you should enable LAPDm in the Test Set Message Filter Settings.

Observation Point 2- RLC/MAC Over-the-Air MessagesThis layer contains two functions: The Radio Link Control function provides a radio-solution-dependent reliable link. The Medium Access Control function controls the access signaling

(request and grant) procedures for the radio channel, and the mapping of LLC frames onto theGSM physical channel. RLC/MAC is defined in GSM 04.60 for functions operating on the

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Packet Data Channel (PDCH), and in GSM 04.08 for functions operating on the CCCH(Common Control Channel).Messages

Uplink TBF establishment messages

Message Reference Supported

Packet Access Reject 04.60/11.2.1 Yes

Packet Channel Request 04.60/11.2.5 No

EGPRS Packet Channel Request 04.60/11.2.5a No

Packet Queuing Notification 04.60/11.2.15 No

Packet Resource Request 04.60/11.2.16 Yes

Packet Uplink Assignment 04.60/11.2.29 Yes

Additional MS Radio Access Capabilities 04.60/11.2.32 Yes

Downlink TBF establishment messages

Message Reference SupportedPacket Downlink Assignment 04.60/11.2.7 Yes

TBF release messages


Packet TBF Release 04.60/11.2.26 Yes

Packet Paging messages


Packet Paging Request 04.60/11.2.10 Yes

RLC messages


Packet Downlink Ack/Nack 04.60/11.2.6 Yes

EGPRS Packet Downlink Ack/Nack 04.60/11.2.6a Yes

Packet Uplink Ack/Nack 04.60/11.2.28 Yes

Miscellaneous messages


Packet Control Acknowledgment 04.60/11.2.2 Yes

Packet Cell Change Failure 04.60/11.2.3 No

Packet Cell Change Order 04.60/11.2.4 Yes

Packet Downlink Dummy Control Block 04.60/11.2.8 Yes

Packet Uplink Dummy Control Block 04.60/11.2.8b Yes

Packet Measurement Report 04.60/11.2.9 Yes

Packet Measurement Order 04.60/11.2.9b No

Packet Mobile TBF Status 04.60/11.2.9c Yes

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Miscellaneous messages


Packet Enhanced Measurement Report 04.60/11.2.9d Yes

Packet PDCH Release 04.60/11.2.11 No

Packet Polling Request 04.60/11.2.12 YesPacket Power Control/Timing Advance 04.60/11.2.13 Yes

Packet PRACH Parameters 04.60/11.2.14 No

Packet PSI Status 04.60/11.2.17 Yes

Packet Timeslot Reconfigure 04.60/11.2.31 Yes

Procedures

Radio Control Link Procedures

y Incremental Redundancyy Retransmission MCS Switching

Medium Access Control Procedures

y PBCCHy Medium Access Modey Packet Paging

Observation Point 3 - LLC Over-the-Air MessagesLogical Link Control (LLC): LLC was designed to be independent of the underlying radiointerface protocols in order to allow introduction of alternative GPRS radio solutions with

minimum changes to the NSS (Network Subsystem). The procedures for the LLC layer aredescribed in GSM 04.64.

Observation Point 4 -GMM/SM Over-the-Air MessagesGPRS Mobility Management and Session Management (GMM/SM): This protocol supports

mobility management functionality such as GPRS attach, GPRS detach (also applicable to thetest application), security, routing area update, location update, PDP context activation, and PDPcontext deactivation. GMM/SM is defined in GSM 04.08GMM Messages


Attach Request 9.4.1 Yes

Attach Accept 9.4.2 Yes

Attach Complete 9.4.3 Yes

Attach Reject 9.4.4 Yes

Detach Request

9.4.5

Yes

Detach Accept 9.4.6 Yes

P-TMSI Reallocation Command 9.4.7 No

P-TMSI Reallocation Complete 9.4.8 No

Authentication and Ciphering Request 9.4.9 No

Authentication and Ciphering Response 9.4.10 No

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Authentication and Ciphering Reject 9.4.11 No

Identity Request 9.4.12 Yes

Identity Response 9.4.13 Yes

Routing Area Update Request 9.4.14 Yes

Routing Area Update Accept 9.4.15 Yes

Routing Area Update Complete 9.4.16 Yes

Routing Area Update Reject 9.4.17 No

GMM Status 9.4.18 No

GMM Information 9.4.19 Yes

SM Messages

Messages Reference Supported

Activate PDP Context Request 9.5.1 Yes

Activate PDP Context Accept 9.5.2 Yes

Activate PDP Context Reject 9.5.3 Yes

Request PDP context Activation 9.5.4 Yes

Request PDP context Activation Reject 9.5.5 No

Modify PDP context Request 9.5.6 No

Modify PDP context Accept 9.5.7 No

Deactivate PDP context Request 9.5.8 Yes

Deactivate PDP context Accept 9.5.9 Yes

Activate AA PDP context Request 9.5.10 NoActivate AA PDP context Accept 9.5.11 No

Activate AA PDP context Reject 9.5.12 No

Deactivate AA PDP context Request 9.5.13 No

Deactivate AA PDP context Accept 9.5.14 No

SM Status 9.5.15 No

Observation Point 5- SMS Over-the-Air MessagesThis observation point captures the messages exchanged between the LLC layer and the SMS

sub-layers. See SMS Logging Control for more information.

Observation Point 6- GSM L3 Over-the-Air MessagesGSM Layer 3 (GSM L3) is defined in GSM 04.08. GSM L3 includes messages that are

transmitted over the Common Control Channels. These are:y BCCH information (System information messages)y PAGCH messages (Immediate assignments)y RACH accesses

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CCCH messages are useful mainly for the purpose of verifying correct channel allocationthrough the logging of RACH accesses and the related assignments. Note that the System

Information Messages will only be visible whenever changes are made to the base stationparameters. They are no continuously logged, although they are continuously broadcast on the

BCCH.

All references in this section are relative to GSM 04.08 or GSM 04.60.Message Reference Supported

Location Updating Request 04.08/9.2.15 Yes

Location Updating Accept 04.089.2.13 Yes

Channel Request 04.08/9.1.8 Yes

Immediate Assignment 04.08/9.1.18 Yes

Packet System information 1 04.60/11.2.18 Yes




Packet System information 3bis 04.60/11.2.21 Yes

Observation Point 7 - SNDCP Over-the-Air MessagesSubnetwork Dependent Convergence Protocol (SNDCP): This transmission functionality mapsnetwork-level characteristics onto the characteristics of the underlying network. SNDCP is

specified in GSM 04.65.


SN-DATA 7.2 Yes

SN-UNITDATA 7.2 Yes

SNDCP-XID 6.8 Yes

Observation Point 8 - IP MessagesUnlike most of the other protocols, IP only has a single type of message: the datagram. For eachdatagram, the IP header fields will be displayed by name and the user data will be displayed as a

hex dump.For each datagram, the following fields will be displayed:

y Versiony Internet Header Lengthy Type of Servicey Total Lengthy Identificationy Flagsy Fragment Offsety Time to Livey Protocoly Header Checksumy Source Address - Only the IP address is displayed. No attempt is made to look up the host name

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y Destination Address - Only the IP address is displayed. No attempt is made to look up the hostname

y Data - This contains the user data and any IP options displayed in hex.For a more detailed explanation of these fields, refer to the Internet Engineering Task Force(IETF) document RFC 791.

AUTHENTICATION REJECT:

Causes MAC Failure, SQN (Synch failure) Failure, Fraudulent Network (UE treats the cell as barred),

GSM A interface - BSS Application PartThe A interface is located between the MSC (mobile service switching centre) and the BSS (base

station system or radio sub-system).Standard reference: GSM 08-08 2, MSC to BSS - Layer 3

The A interface supports several Applications Parts:y BSSMAP: Base Station System Management Application Part.y DTAP : Direct Transfer Application Part.

o RR:Radio Resources.o MM:Mobility Management.o CC:Call Control.

BSSMAP messages

Standard reference: GSM 08-08 3, MSC to BSS - Layer 3

BSSMAP messages (Base Station System Management Application Part), for a GSM A interfacelocated between the MSC (mobile service switching centre) and the BSS (base station system or

radio sub-system) are listed and ordered according to their hexadecimal code or theirtype(abreviation).Message list: hex codes

CodeAbreviation BSSMAP: message designation

01 ASS-REQ Assignment request.

02 ASS-COM Assignment complete.

03 ASS-FAIL Assignment failure.

20 CLEAR-COM Clear command.

21 CLEAR-COMP Clear complete.

22 CLEAR-REQ Clear request.

23 SAPI-CL-COM SAPI "n" clear request.

24 SAPI-CL-COMP SAPI "n" clear complete.

25 SAPI-REJ SAPI "n" rejected.

30 RESET Reset.

31 RESET-ACK Reset acknowledge.

32 OVERLOAD Overload.

33 TRACE-INV Trace investigation.

34 RESET-CIR Reset circuit.

35 RST-CI-ACK Reset circuit acknowledge.

40 BLOCK Resource blocked.

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41 BLOCK-ACK Acknowledgement resource blocked.

42 UNBLOCK Resource un-blocked.

43 UNBLOCK-ACK Acknowledgement resource un-blocked.

50 RESOURC-REQ Resource request.

51 RESOURC-IND Resource indication.

52 PAGING Paging.

53 CYPHER-COM Cypher mode command.

54 CLASS-UPD "Classmark" update.

55 CYPHER-COMP Cypher mode complete.

56 QUEUEING-IN Queuing-in.

57 LAYER-3-INF Layer 3 information.

80 HAND-REQ Handover request.

81 HAND-RQD Handover requested.

82 HND-RQ-ACK Handover request acknowledge.

83 HAND-COM Handover command.

84 HAND-COMP Handover complete.

86 HAND-FAIL Handover failure.

87 HAND-PERFORMHandover performed.

88 HND-CAND-ENQ Handover candidate enquiry.

89 HND-CAND-REQ Handover candidate request.

8A HAND-REQ-REJ Handover request rejection.

8B HAND-DETECT Handover detection.

Message list: types

Abreviation CodeBSSMAP: message designationASS-COM 02 Assignment complete.

ASS-FAIL 03 Assignment failure.

ASS-REQ 01 Assignment request.

BLOCK 40 Resource blocked.

BLOCK-ACK 41 Acknowledgement resource blocked.

CLASS-UPD 54 "Classmark" update.

CLEAR-COM 20 Clear command.

CLEAR-COMP 21 Clear complete.

CLEAR-REQ 22 Clear request.

CYPHER-COM 53 Cypher mode command.

CYPHER-COMP 55 Cypher mode complete.

HAND-COM 83 Handover command.

HAND-COMP 84 Handover complete.

HAND-DETECT 8B Handover detection.

HAND-FAIL 86 Handover failure.

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HAND-PERFORM87 Handover performed.

HAND-REQ 80 Handover request.

HAND-REQ-REJ 8A Handover request rejection.

HAND-RQD 81 Handover requested.

HND-CAND-ENQ 88 Handover candidate enquiry.

HND-CAND-REQ 89 Handover candidate request.

HND-RQ-ACK 82 Handover request acknowledge.

LAYER-3-INF 57 Layer 3 information.

OVERLOAD 32 Overload.

PAGING 52 Paging.

QUEUEING-IN 56 Queuing-in.

RESET 30 Reset.

RESET-ACK 31 Reset acknowledge.

RESET-CIR 34 Reset circuit.

RESOURC-IND 51 Resource indication.

RESOURC-REQ 50 Resource request.

RST-CI-ACK 35 Reset circuit acknowledge.

SAPI-CL-COM 23 SAPI "n" clear request.

SAPI-CL-COMP 24 SAPI "n" clear complete.

SAPI-REJ 25 SAPI "n" rejected.

TRACE-INV 33 Trace investigation.

UNBLOCK 42 Resource un-blocked.

UNBLOCK-ACK 43 Acknowledgement resource un-blocked.

DTAP Call Control messagesStandard reference: GSM 04-08 5, 9.3, 10.4, MSC to BSS - Layer 3

DTAP (Direct Transfer Application Part) Call Control messages , for a GSM A interface locatedbetween the MSC (mobile service switching centre) and the BSS (base station system or radio

sub-system) are listed and ordered according to their hexadecimal code or theirtype(abreviation).Message list: hex codes

CodeAbreviation DTAP Call Control message

01 ALERTING Alerting.

02 CALL-PROCEED Call proceeding.

03 PROGRESS Progress.

05 SETUP Setup.

07 CONNECT Connect.

08 CALL-CONFIRM Call confirmed.

0D EMERG-SETUP Emergency setup.

0F CONNECT-ACK Connect acknowledged.

10 USER-INFO User information.

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13 MODIFY-REJ Modify reject.

17 MODIFY Modify

1F MODIFY-COMP Modify complete.

25 DISCONNECT Disconnect.

2A RELEASE-COMP Release complete.

2D RELEASE Release.

31 STOP-DTMF Stop DTMF.

32 STOP-DTMF-ACKStop DTMF acknowledge.

34 STATUS-ENQ Status enquiry.

35 START-DTMF Start DTMF.

36 START-DTMF-AC Start DTMF acknowledge.

37 START-DTMF-RE Start DTMF reject.

39 CONGEST-CTRL Congestion control.

3D STATUS Status.

3E NOTIFY Notify.

Message list: types

Abreviation CodeDTAP Call Control message

ALERTING 01 Alerting.

CALL-CONFIRM 08 Call confirmed.

CALL-PROCEED 02 Call proceeding.

CONGEST-CTRL 39 Congestion control.

CONNECT 07 Connect.

CONNECT-ACK 0F Connect acknowledged.

DISCONNECT 25 Disconnect.EMERG-SETUP 0D Emergency setup.

MODIFY 17 Modify

MODIFY-COMP 1F Modify complete.

MODIFY-REJ 13 Modify reject.

NOTIFY 3E Notify.

PROGRESS 03 Progress.

RELEASE 2D Release.

RELEASE-COMP 2A Release complete.

SETUP 05 Setup.

START-DTMF 35 Start DTMF.

START-DTMF-AC 36 Start DTMF acknowledge.

START-DTMF-RE 37 Start DTMF reject.

STATUS 3D Status.

STATUS-ENQ 34 Status enquiry.

STOP-DTMF 31 Stop DTMF.

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STOP-DTMF-ACK32 Stop DTMF acknowledge.

USER-INFO 10 User information.

DTAP Radio Resources Management messages

Standard reference: GSM 04-08 3, 9.1, 10.4, MSC to BSS- Layer 3DTAP (Direct Transfer Application Part) Radio Resources Management messages , for a GSM A

interface located between the MSC (mobile service switching centre) and the BSS (base stationsystem or radio sub-system) are listed and ordered according to their hexadecimal code or their

type (abreviation).Message list: hex codes

CodeAbreviation DTAP Radio Resources Management

0A PARTIAL-REL Partial release.

0D CHANNEL-REL Channel release.

0F PART-REL-COM Partial release complete.

10 CHAN-MODIFY Channel mode modify.

12 RR-STATUS RR status.

14 FREQ-REDEF Frequency redefinition.15 MEASUR-REP Measurement report.

16 CLASSM-CHG Classmark change.

17 CHAN-MOD-ACKChannel mode modify acknowledge.

19 SYS-INFO-T1 System information type 1.

1A SYS-INFO-T2 System information type 2.

1B SYS-INFO-T3 System information type 3.

1C SYS-INFO-T4 System information type 4.

1D SYS-INFO-T5 System information type 5.

1E SYS-INFO-T6 System information type 6.21 PAG-REQ-T1 Paging request type 1.

22 PAG-REQ-T2 Paging request type 2.

24 PAG-REQ-T3 Paging request type 3.

26 ASS-COMMAND Assignment command.

27 PAGING-REP Paging response.

28 HAND-FAILURE Handover failure.

29 ASS-COMPLETE Assignment complete.

2B HAND-COMM Handover command.

2C HAND-COMP Handover complete.

2D PHYS-INFO Physical layer information.

2F ASS-FAILURE Assignment failure.

32 CIPH-M-COMP Ciphering mode complete.

35 CIPH-M-COMM Ciphering mode command.

39 IMM-ASS-EXT Immediate assignment extended.

3A IMM-ASS-REJ Immediate assignment reject.

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3B ADD-ASS Additional assignment.

3F IMM-ASS Immediate assignment.

Message list: types

Abreviation CodeDTAP Radio Resources Management

ADD-ASS 3B Additional assignment.

ASS-COMMAND 26 Assignment command.

ASS-COMPLETE 29 Assignment complete.

ASS-FAILURE 2F Assignment failure.

CHAN-MOD-ACK17 Channel mode modify acknowledge.

CHAN-MODIFY 10 Channel mode modify.

CHANNEL-REL 0D Channel release.

CIPH-M-COMM 35 Ciphering mode command.

CIPH-M-COMP 32 Ciphering mode complete.

CLASSM-CHG 16 Classmark change.

FREQ-REDEF 14 Frequency redefinition.

HAND-COMM 2B Handover command.

HAND-COMP 2C Handover complete.

HAND-FAILURE 28 Handover failure.

IMM-ASS 3F Immediate assignment.

IMM-ASS-EXT 39 Immediate assignment extended.

IMM-ASS-REJ 3A Immediate assignment reject.

MEASUR-REP 15 Measurement report.

PAG-REQ-T1 21 Paging request type 1.

PAG-REQ-T2 22 Paging request type 2.PAG-REQ-T3 24 Paging request type 3.

PAGING-REP 27 Paging response.

PART-REL-COM 0F Partial release complete.

PARTIAL-REL 0A Partial release.

PHYS-INFO 2D Physical layer information.

RR-STATUS 12 RR status.

SYS-INFO-T1 19 System information type 1.

SYS-INFO-T2 1A System information type 2.

SYS-INFO-T3 1B System information type 3.

SYS-INFO-T4 1C System information type 4.

SYS-INFO-T5 1D System information type 5.

SYS-INFO-T6 1E System information type 6.

DTAPMobilityManagement messages

Standard reference: GSM 04-08 4, 9.2, 10.4, MSC to BSS - Layer 3DTAP (Direct Transfer Application Part) Mobility Management messages , for a GSM A

interface located between the MSC (mobile service switching centre) and the BSS (base station

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system or radio sub-system) are listed and ordered according to their hexadecimal code or theirtype (abreviation).Message list: hex codes

CodeAbreviation DTAP Mobility Management message

01 IMSI-DET-IND IMSI detach indication.

02 LOC-UPD-ACC Location updating accept.04 LOC-UPD-REJ Location updating reject.

08 LOC-UPD-REQ Location updating request.

11 AUTHENT-REJ Authentication reject.

12 AUTHENT-REQ Authentication request.

14 AUTHENT-RESP Authentication response.

18 IDENTITY-REQ Identity request.

19 IDENTITY-RESP Identity response.

1A TMSI-REA-COMMTemporary mobile identity reallocation command.

1B TMSI-REA-COMP Temporary mobile identity reallocation complete.21 CM-SERV-ACC Connection management service accept.

22 CM-SERV-REJ Connection management service reject.

26 CM-SERV-REQ Connection management service request.

28 CM-REESTABL Connection management re-establishment request.

31 MM-STATUS Status.

Message list: types

Abreviation CodeDTAP Mobility Management message

AUTHENT-REJ 11 Authentication reject.

AUTHENT-REQ 12 Authentication request.

AUTHENT-RESP 14 Authentication response.

CM-REESTABL 28 Connection management re-establishment request.

CM-SERV-ACC 21 Connection management service accept.

CM-SERV-REJ 22 Connection management service reject.

CM-SERV-REQ 26 Connection management service request.

IDENTITY-REQ 18 Identity request.

IDENTITY-RESP 19 Identity response.

IMSI-DET-IND 01 IMSI detach indication.

LOC-UPD-ACC 02 Location updating accept.

LOC-UPD-REJ 04 Location updating reject.LOC-UPD-REQ 08 Location updating request.

MM-STATUS 31 Status.

TMSI-REA-COMM1A Temporary mobile identity reallocation command.

TMSI-REA-COMP 1B Temporary mobile identity reallocation complete.

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