Tech-invite3GPPspaceIETFspace
21222324252627282931323334353637384‑5x
Top   in Index   Prev   Next

TS 44.056
GSM Cordless Telephony System (CTS) Phase 1 –
CTS Radio Interface Layer 3 specification

V19.0.0 (PDF)  2025/09  102 p.
V18.0.0  2024/03  102 p.
V17.0.0  2022/03  102 p.
V16.0.0  2020/06  102 p.
V15.0.0  2018/06  97 p.
V14.0.0  2017/03  102 p.
V13.0.0  2015/12  102 p.
V12.0.0  2014/09  102 p.
V11.0.1  2012/10  102 p.
V10.0.0  2011/03  102 p.
V9.0.0  2009/12  102 p.
V8.0.0  2008/12  102 p.
V7.0.0  2007/06  102 p.
V6.0.0  2005/01  102 p.
V5.0.0  2002/06  102 p.
V4.0.0  2001/04  101 p.
GSM Rel-99 v8.0.1  2000/08  100 p.
GSM Rel-98 v7.1.1  2000/09  102 p.
Rapporteur:
Mr. Nassar, Mohamed Amin
Nokia Germany

full Table of Contents for  TS 44.056  Word version:  19.0.0

each clause number in 'red' refers to the equivalent title in the Partial Content
Here   Top
1Scope  p. 10
1.1Scope of the Technical Specification  p. 10
1.2Application to the interface structures  p. 10
1.3Structure of layer 3 procedures  p. 10
1.4Test procedures  p. 10
1.5Use of logical channels  p. 10
1.6Overview of control procedures  p. 11
1.6.1List of procedures  p. 11
1.7Applicability of implementations  p. 12
2References  p. 12
3Definitions, abbreviations and Random values  p. 16
3.1Definitions  p. 16
3.2Abbreviations  p. 16
3.3Random values  p. 16
4Overview/General  p. 16
4.1Overview  p. 16
4.1.1General  p. 16
4.1.2Services provided to upper layers  p. 17
4.1.2.1CTS-Idle mode  p. 17
4.1.2.2Dedicated mode  p. 17
4.1.3Services required from data link and physical layers  p. 17
4.1.4Change of dedicated channels  p. 17
4.1.4.1Change of dedicated channels using SAPI = 0  p. 18
4.1.4.2Change of dedicated channels using other SAPIs than 0  p. 18
4.1.4.3Sequenced message transfer operation  p. 18
4.1.4.3.1Variables and sequence numbers  p. 18
4.1.4.3.2Procedures for the initiation, transfer execution and termination of the sequenced message transfer operation  p. 19
4.1.5Procedure for Service Request and Contention Resolution  p. 19
4.2Idle mode procedures  p. 19
4.2.1Mobile Station side  p. 19
4.2.1.1CTSBCH and CTSPCH monitoring  p. 19
4.2.1.2Alive check response  p. 20
4.2.2CTS-FP side  p. 20
4.2.2.1CTSBCH information broadcasting  p. 20
4.2.2.2CTSPCH information broadcasting  p. 20
4.2.2.3Alive check  p. 20
4.2.2.4Hunting  p. 21
4.2.2.5Connectionless group alerting  p. 22
4.2.2.6CTS system information broadcasting  p. 23
4.3RR connection establishment  p. 23
4.3.1RR connection establishment initiated by the mobile station  p. 23
4.3.1.1Entering the dedicated mode: immediate assignment procedure  p. 23
4.3.1.1.1Permission to access the CTS-FP  p. 24
4.3.1.1.2Initiation of the immediate assignment procedure  p. 24
4.3.1.1.3Answer from the CTS-FP  p. 24
4.3.1.1.3.1On receipt of a CTS ACCESS REQUEST message  p. 24
4.3.1.1.3.2Assignment rejection  p. 24
4.3.1.1.4Assignment completion  p. 24
4.3.1.1.4.1Early classmark sending  p. 25
4.3.1.1.5Abnormal cases  p. 25
4.3.2Paging procedure for RR connection establishment  p. 25
4.3.2.1Paging initiation by the CTS-FP  p. 25
4.3.2.2Paging response  p. 25
4.3.2.3Abnormal cases  p. 25
4.4Procedures in dedicated mode  p. 26
4.4.1SACCH procedures  p. 26
4.4.1.1General  p. 26
4.4.1.2Measurement report  p. 26
4.4.2Transfer of messages and link layer service provision  p. 26
4.4.3Intracell handover procedure  p. 27
4.4.3.1Intracell handover initiation  p. 27
4.4.3.2Intracell handover completion  p. 27
4.4.3.3Abnormal cases  p. 27
4.4.4Intercell handover procedure  p. 28
4.4.5Frequency hopping definition procedure  p. 28
4.4.6Channel mode modify procedure  p. 28
4.4.6.1Normal channel mode modify procedure  p. 28
4.4.6.1.1Initiation of the channel mode modify procedure  p. 28
4.4.6.1.2Completion of channel mode modify procedure  p. 28
4.4.6.1.3Abnormal cases  p. 28
4.4.7Ciphering mode setting procedure  p. 29
4.4.7.1Ciphering mode setting initiation  p. 29
4.4.7.2Ciphering mode setting completion  p. 29
4.4.8 |Reserved: Additional channel assignment procedure|p. 29
4.4.9 |Reserved: Partial channel release procedure|p. 30
4.4.10Classmark change procedure  p. 30
4.4.11Classmark interrogation procedure  p. 30
4.4.12 |Reserved|p. 30
4.4.13RR connection release procedure  p. 30
4.4.13.1Normal release procedure  p. 30
4.4.13.1.1Channel release procedure initiation  p. 30
4.4.13.1.2Abnormal case  p. 30
4.4.13.2Radio link fai2lure in dedicated mode  p. 31
4.4.13.2.1Mobile side  p. 31
4.4.13.2.2CTS-FP side  p. 31
4.4.13.3RR connection abortion in dedicated mode  p. 31
4.4.14Receiving CTS RR STATUS message by a CTS-RR entity  p. 31
4.4.15CTS RR parameters update  p. 31
5Elementary procedures for Mobility Management  p. 32
5.1General  p. 32
5.1.1Type of CTS-MM procedures  p. 32
5.1.2CTS-MM sublayer states  p. 33
5.1.2.1CTS-MM sublayer states in the mobile station  p. 33
5.1.2.1.1Main states  p. 33
5.1.2.1.2Substates of the CTS-MM IDLE state  p. 33
5.1.2.2CTS-MM sublayer states in the fixed part  p. 34
5.2CTS-MM common procedures  p. 34
5.2.1CTS detach procedure  p. 34
5.2.1.1CTS detach initiation by the mobile station  p. 34
5.2.1.2CTS detach procedure in the fixed part  p. 34
5.2.1.3CTS detach completion by the mobile station  p. 34
5.2.1.4Abnormal cases  p. 35
5.2.2CTS de-enrolment procedure  p. 35
5.2.2.1CTS de-enrolment initiation by the fixed part  p. 35
5.2.2.2CTS de-enrolment procedure in the mobile station  p. 35
5.2.2.3Abnormal cases  p. 35
5.2.3CTS mutual authentication procedure  p. 35
5.2.3.1CTS authentication initiation by the fixed part  p. 35
5.2.3.2CTS authentication response by the mobile station  p. 36
5.2.3.3CTS authentication processing by the fixed part  p. 36
5.2.3.4CTS authentication completion by the mobile station  p. 36
5.2.3.5Unsuccessful authentication  p. 36
5.2.3.6Abnormal cases  p. 36
5.2.4CTSMSI update procedure  p. 37
5.2.4.1CTSMSI update initiation by the fixed part  p. 37
5.2.4.2CTSMSI update response by the mobile station  p. 37
5.2.4.3CTSMSI update completion in the fixed part  p. 37
5.2.4.4Abnormal cases  p. 37
5.3CTS-MM specific procedures  p. 38
5.3.1CTS enrolment procedure  p. 38
5.3.1.1CTS enrolment initiation by the mobile station  p. 38
5.3.1.2CTS enrolment completion by the fixed part  p. 38
5.3.1.3CTS enrolment completion by the mobile station  p. 38
5.3.1.4Unsuccessful enrolment  p. 38
5.3.1.5Abnormal cases  p. 38
5.3.2CTS attach procedure  p. 38
5.3.2.1CTS attach initiation by the mobile station  p. 39
5.3.2.2CTS attach completion by the fixed part  p. 39
5.3.2.3CTS attach completion by the mobile station  p. 39
5.3.2.4CTS attach rejection treatment by the mobile station  p. 39
5.3.2.5Abnormal cases  p. 39
5.3.3CTS re-attach procedure  p. 39
5.3.3.1CTS re-attach initiation by the mobile station  p. 40
5.3.3.2CTS re-attach completion by the fixed part  p. 40
5.3.3.3Abnormal cases  p. 40
5.3.4CTS periodic attach update procedure  p. 40
5.3.4.1CTS periodic attach update procedure behaviour in the fixed part  p. 40
5.3.4.2Abnormal cases  p. 40
6Elementary procedures for circuit-switched Call Control  p. 41
6.1Overview  p. 41
6.1.1General  p. 41
6.2Hook flash procedure  p. 41
6.2.1Hook flash request by the mobile station  p. 41
6.2.2Hook flash response by the fixed part  p. 41
6.2.3Stop hook flash request by the mobile station  p. 41
6.2.4Stop hook flash response by fixed part  p. 42
6.3Internal call procedure  p. 42
7Examples of structured procedures  p. 42
7.1General  p. 42
7.1.1CTS paging request  p. 42
7.1.2CTS immediate assignment  p. 42
7.1.3CTS mutual authentication  p. 43
7.2Abnormal cases  p. 43
7.3Selected examples  p. 43
7.3.1Enrolment  p. 43
7.3.1.1Enrolment with CTS-MS identity authentication done only by the CTS-FP  p. 44
7.3.1.2Enrolment with CTS MS authentication done by CTS operator  p. 45
7.3.2Attachment  p. 46
7.3.3Detachment  p. 46
7.3.4De-enrolment  p. 47
7.3.5Mobile originating call establishment  p. 47
8Handling of unknown, unforeseen, and erroneous protocol data  p. 48
8.1General  p. 48
8.2Message too short  p. 49
8.3Unknown or unforeseen transaction identifier  p. 49
8.4Unknown or unforeseen message type  p. 49
8.5Non-semantical mandatory information element errors  p. 50
8.5.1Radio resource management  p. 50
8.5.2Mobility management  p. 50
8.5.3Call control  p. 50
8.6Unknown and unforeseen IEs in the non-imperative message part  p. 51
8.6.1IEIs unknown in the message  p. 51
8.6.2Out of sequence IEs  p. 51
8.6.3Repeated IEs  p. 51
8.7Non-imperative message part errors  p. 51
8.7.1Syntactically incorrect optional IEs  p. 51
8.7.2Conditional IE errors  p. 51
8.8Messages with semantically incorrect contents  p. 52
9Message functional definitions and contents  p. 52
9.1Messages for Radio Resources management  p. 53
9.1.1CTS access request  p. 53
9.1.2CTS AFA monitoring command  p. 54
9.1.3CTS AFA monitoring enquiry  p. 55
9.1.4CTS AFA monitoring report  p. 55
9.1.5CTS BCCH detection command  p. 55
9.1.6CTS BCCH detection enquiry  p. 56
9.1.7CTS BCCH detection report  p. 56
9.1.8CTS beacon channel synchronisation burst information  p. 57
9.1.9CTS channel mode modify  p. 57
9.1.10CTS channel mode modify acknowledge  p. 58
9.1.11CTS channel release  p. 58
9.1.12CTS ciphering mode command  p. 58
9.1.13CTS ciphering mode complete  p. 59
9.1.14CTS classmark change  p. 59
9.1.15CTS classmark enquiry  p. 59
9.1.16CTS frequency hopping definition  p. 59
9.1.16.1Reference time  p. 60
9.1.17CTS group alerting request  p. 60
9.1.17.1Rest Octets  p. 60
9.1.18CTS hunting request  p. 61
9.1.18.1Rest Octets  p. 61
9.1.19CTS immediate assignment  p. 61
9.1.20CTS immediate assignment extended  p. 62
9.1.21CTS immediate assignment reject  p. 62
9.1.21.1Use of Indexes  p. 63
9.1.21.2Filling of the message  p. 63
9.1.22CTS intracell handover command  p. 63
9.1.23CTS intracell handover complete  p. 64
9.1.24CTS intracell handover failure  p. 64
9.1.25CTS measurement report  p. 65
9.1.25.1Measurement results  p. 65
9.1.26CTS OFO measurement command  p. 65
9.1.27CTS OFO measurement enquiry  p. 66
9.1.28CTS OFO Measurement report  p. 66
9.1.29CTS paging request  p. 67
9.1.29.1Paging type  p. 67
9.1.30CTS paging response  p. 67
9.1.30.1Ciphering Key Sequence  p. 68
9.1.31CTS system information type 1  p. 68
9.1.31.1Starting Time  p. 68
9.1.32CTS system information type 2  p. 69
9.1.33CTS system information type 3  p. 69
9.1.34CTS RR parameters update  p. 69
9.2Messages for mobility management  p. 70
9.2.1CTS attach request  p. 70
9.2.2CTS attach accept  p. 71
9.2.3CTS attach reject  p. 71
9.2.4CTS detachment indication  p. 72
9.2.5CTS enrolment request  p. 72
9.2.6CTS enrolment accept  p. 73
9.2.7CTS enrolment reject  p. 73
9.2.8CTS de-enrolment indication  p. 74
9.2.9CTS MS authentication request  p. 74
9.2.10CTS MS authentication response  p. 75
9.2.11CTS FP authentication response  p. 75
9.2.12CTS MS authentication reject  p. 76
9.2.13CTSMSI update command  p. 76
9.2.14CTSMSI update complete  p. 77
10General message format and information elements coding  p. 77
10.1Overview  p. 77
10.2Protocol Discriminator  p. 77
10.3Sub-Protocol Discriminator and transaction identifier  p. 77
10.3.1Sub-Protocol Discriminator  p. 77
10.3.2Transaction identifier  p. 77
10.4Message Type  p. 77
10.5Other information elements  p. 79
10.5.1Common information elements.  p. 79
10.5.1.1Mobile Identity  p. 79
10.5.2Radio Resource management information elements  p. 79
10.5.2.1CTSMSI  p. 79
10.5.2.2TFH General Parameters  p. 80
10.5.2.3TFH Current Parameters  p. 80
10.5.2.4CTS Channel Description  p. 81
10.5.2.5CTS Access Request Reference  p. 82
10.5.2.6CTS L1 information  p. 82
10.5.2.7Information Transfert Capability  p. 83
10.5.2.8BCD Display  p. 83
10.5.2.9AFA Interference Level  p. 83
10.5.2.10AFA Monitoring Cycles  p. 84
10.5.2.11OFO Measurement Results  p. 84
10.5.2.12Paging type  p. 85
10.5.2.13CTS selection parameters  p. 85
10.5.2.14CTS RR parameters  p. 86
10.5.2.15Timeslot shifting parameters  p. 87
10.5.3Mobility management information elements  p. 87
10.5.3.1Authentication parameter RIMS  p. 87
10.5.3.2Authentication parameter RIFP  p. 88
10.5.3.3Authentication parameter CH  p. 88
10.5.3.4Authentication parameter XRES  p. 89
10.5.3.5Authentication parameter Kax  p. 89
10.5.3.6Fixed part Identity  p. 90
10.5.3.7CTS mobile group list  p. 91
10.5.3.8Following attach request  p. 91
10.5.3.9Access right identity  p. 92
10.5.3.10TC3252  p. 92
10.5.3.11Attach type  p. 93
10.5.4Call control information elements  p. 93
10.5.4.1Called party BCD number  p. 93
10.5.4.2Calling party BCD number  p. 93
10.5.4.3Keypad facility  p. 94
11List of system parameters  p. 94
11.1Timers and counters for radio resource management  p. 94
11.1.1Timers on the MS side  p. 94
11.1.2Timers on the CTS-FP side  p. 95
11.1.3Other parameters  p. 95
11.2Timers of mobility management  p. 95
11.2.1Timers on the MS side  p. 95
11.2.2Timers on the CTS-FP side  p. 96
11.2.3Other parameters  p. 96
11.3Timers of circuit-switched call control  p. 96
ADefault Codings of Information Elements  p. 97
A.1Common information elements  p. 97
A.2Radio Resource management information elements  p. 97
A.3Mobility management information elements  p. 98
A.4Call control information elements  p. 99
$Change History  p. 100

Up   Top