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TECHNICAL SPECIFICATION
Digital cellular telecommunications system (Phase 2+) (GSM);
Universal Mobile Telecommunications System (UMTS);
LTE;
5G;
AT command set for User Equipment (UE)
(3GPP TS 27.007 version 15.3.0 Release 15)
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3GPP TS 27.007 version 15.3.0 Release 15 1 ETSI TS 127 007 V15.3.0 (2018-10)
Reference
RTS/TSGC-0127007vf30
Keywords
5G,GSM,LTE,UMTS
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ETSI
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3GPP TS 27.007 version 15.3.0 Release 15 2 ETSI TS 127 007 V15.3.0 (2018-10)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
server (https://ipr.etsi.org/).
Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee
can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web
server) which are, or may be, or may become, essential to the present document.
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Foreword
This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP).
The present document may refer to technical specifications or reports using their 3GPP identities, UMTS identities or
GSM identities. These should be interpreted as being references to the corresponding ETSI deliverables.
The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under
.
Modal verbs terminology
In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and
"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of
provisions).
"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.
ETSI
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3GPP TS 27.007 version 15.3.0 Release 15 3 ETSI TS 127 007 V15.3.0 (2018-10)
Contents
Intellectual Property Rights . 2
Foreword . 2
Modal verbs terminology . 2
Foreword . 10
1 Scope . 11
2 References . 11
3 Definitions and abbreviations . 19
3.1 Definitions . 19
3.2 Abbreviations . 19
4 AT command syntax . 20
4.0 General . 20
4.1 Command line . 20
4.2 Information responses and result codes . 21
4.3 ITU-T Recommendation V.250 [14] TE-TA interface commands . 21
5 General commands . 22
5.0 General . 22
5.1 Request manufacturer identification +CGMI . 22
5.2 Request model identification +CGMM . 23
5.3 Request revision identification +CGMR . 23
5.4 Request product serial number identification +CGSN . 24
5.5 Select TE character set +CSCS . 25
5.6 Request international mobile subscriber identity +CIMI . 26
5.7 Multiplexing mode +CMUX . 27
5.8 ITU-T Recommendaton V.250 [14] generic TA control commands . 29
5.9 PCCA STD-101 [17] select wireless network +WS46 . 29
5.10 Request 5G subscription permanent identifier +CSUPI . 31
5.11 Informative examples . 31
6 Call control commands and methods . 32
6.0 General . 32
6.1 Select type of address +CSTA . 32
6.2 ITU-T Recommendation V.250 [14] dial command D. 33
6.3 Direct dialling from phonebooks . 33
6.4 Call mode +CMOD . 35
6.4A Voice call mode +CVMOD . 35
6.5 Hangup call +CHUP . 36
6.6 Alternating mode call control method . 36
6.7 Select bearer service type +CBST . 38
6.8 Radio link protocol +CRLP . 40
6.9 Service reporting control +CR. 41
6.10 Extended error report +CEER . 42
6.11 Cellular result codes +CRC . 43
6.12 HSCSD device parameters +CHSD . 44
6.13 HSCSD transparent call configuration +CHST . 45
6.14 HSCSD non-transparent call configuration +CHSN . 46
6.15 HSCSD current call parameters +CHSC . 47
6.16 HSCSD parameters report +CHSR . 47
6.17 HSCSD automatic user initiated upgrading +CHSU . 48
6.18 HSCSD non-transparent asymmetry configuration +CHSA . 48
6.19 Single numbering scheme +CSNS . 49
6.20 Voice hangup control +CVHU . 50
6.21 CCITT V.120 [36] rate adaption protocol +CV120 . 50
6.22 Settings date format +CSDF . 51
6.23 Silence command +CSIL . 52
ETSI
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3GPP TS 27.007 version 15.3.0 Release 15 4 ETSI TS 127 007 V15.3.0 (2018-10)
6.24 Settings time format +CSTF . 53
6.25 ITU-T Recommendation V.250 [14] call control commands . 55
6.26 ITU-T Recommendation V.250 [14] data compression commands . 55
6.27 Initiate eCall +CECALL . 55
6.28 eCall Notification +CECN . 56
6.29 Informative examples . 57
7 Network service related commands . 58
7.0 General . 58
7.1 Subscriber number +CNUM . 58
7.2 Network registration +CREG . 59
7.3 PLMN selection +COPS . 61
7.4 Facility lock +CLCK . 64
7.5 Change password +CPWD . 65
7.6 Calling line identification presentation +CLIP . 66
7.7 Calling line identification restriction +CLIR . 68
7.8 Connected line identification presentation +COLP . 69
7.9 Called line identification presentation +CDIP . 70
7.10 Closed user group +CCUG . 71
7.11 Call forwarding number and conditions +CCFC . 72
7.12 Call waiting +CCWA . 73
7.13 Call related supplementary services +CHLD . 75
7.14 Call deflection +CTFR . 76
7.15 Unstructured supplementary service data +CUSD . 76
7.16 Advice of charge +CAOC . 78
7.17 Supplementary service notifications +CSSN . 78
7.18 List current calls +CLCC . 80
7.19 Preferred PLMN list +CPOL . 82
7.20 Selection of preferred PLMN list +CPLS. 84
7.21 Read operator names +COPN . 84
7.22 eMLPP priority registration and interrogation +CAEMLPP . 85
7.23 eMLPP subscriptions +CPPS . 85
7.24 Fast call setup conditions +CFCS. 86
7.25 Automatic answer for eMLPP service +CAAP . 86
7.26 User to user signalling service 1 +CUUS1 . 87
7.27 Preferred network indication +CPNET . 89
7.28 Preferred network status +CPNSTAT . 89
7.29 Current packet switched bearer +CPSB . 90
7.30 Calling name identification presentation +CNAP . 91
7.31 Connected line identification restriction status +COLR . 92
7.32 Service specific access control restriction status +CSSAC . 93
7.33 Network emergency (bearer) services support +CNEM. 95
7.34 Enhanced closed user group +CECUG . 96
7.35 Communication forwarding number and conditions with URI support +CCFCU . 98
7.36 Message waiting indication control +CMWI . 100
7.37 Session start and stop for MMTEL and SMSoverIP applications +CSCM . 100
7.38 Power saving mode setting +CPSMS . 102
7.39 Application Start and Stop indication for applications other than MMTEL and SMSoverIP +CACDC . 103
7.40 eDRX setting +CEDRXS . 104
7.41 eDRX read dynamic parameters +CEDRXRDP . 105
7.42 CIoT optimization configuration +CCIOTOPT . 106
7.43 Informative examples . 107
8 Mobile termination control and status commands . 109
8.0 General . 109
8.1 Phone activity status +CPAS . 110
8.2 Set phone functionality +CFUN . 111
8.3 Enter PIN +CPIN . 112
8.4 Battery charge +CBC . 113
8.5 Signal quality +CSQ . 114
8.6 Mobile termination control mode +CMEC . 115
8.7 Keypad control +CKPD . 116
ETSI
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3GPP TS 27.007 version 15.3.0 Release 15 5 ETSI TS 127 007 V15.3.0 (2018-10)
8.8 Display control +CDIS . 117
8.9 Indicator control +CIND . 118
8.10 Mobile termination event reporting +CMER . 119
8.11 Select phonebook memory storage +CPBS . 121
8.12 Read phonebook entries +CPBR . 123
8.13 Find phonebook entries +CPBF . 124
8.14 Write phonebook entry +CPBW . 126
8.15 Clock +CCLK . 127
8.16 Alarm +CALA. 128
8.17 Generic SIM access +CSIM . 129
8.18 Restricted SIM access +CRSM . 130
8.19 Secure control command +CSCC . 131
8.20 Alert sound mode +CALM . 132
8.21 Ringer sound level +CRSL . 132
8.22 Vibrator mode +CVIB . 133
8.23 Loudspeaker volume level +CLVL . 133
8.24 Mute control +CMUT . 134
8.25 Accumulated call meter +CACM . 134
8.26 Accumulated call meter maximum +CAMM . 135
8.27 Price per unit and currency table +CPUC . 136
8.28 Call meter maximum event +CCWE . 136
8.29 Power class +CPWC . 137
8.30 Set language +CLAN . 138
8.31 Language event +CLAE . 139
8.32 Set greeting text +CSGT . 139
8.33 Set voice mail number +CSVM . 140
8.34 Ring melody control +CRMC . 141
8.35 Ring melody playback +CRMP. 141
8.36 Master reset +CMAR . 142
8.37 List all available AT commands +CLAC . 143
8.38 Delete alarm +CALD . 143
8.39 Postpone or dismiss an alarm +CAPD . 143
8.40 Automatic time zone update +CTZU . 144
8.41 Time zone reporting +CTZR . 145
8.42 Enter protocol mode+CPROT . 146
8.43 Generic UICC logical channel access +CGLA . 147
8.44 Restricted UICC logical channel access +CRLA . 148
8.45 Open logical channel +CCHO . 149
8.46 Close logical channel +CCHC. 150
8.47 EAP authentication +CEAP . 150
8.48 EAP retrieve parameters +CERP . 152
8.49 UICC application discovery +CUAD . 152
8.50 Mobile originated location request +CMOLR . 153
8.51 Backlight +CBKLT . 157
8.52 Command touch screen action +CTSA . 158
8.53 Command screen orientation +CSO . 160
8.54 Command
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