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Content for  TS 22.030  Word version:  17.0.0

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1  Scopep. 6

The present document defines the requirements for and gives guidelines on the MMI on the User Equipment (UE). This includes the requirements of the user procedures for call control and supplementary service control, the requirements on the physical input media and the output, such as indications and displayed information.
Some clauses of the present document include the requirements that are applicable only to UE connected to CS Domain. See TS 22.101; for overall service principles and TS 22.001 for Circuit telecommunication services.
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2  Referencesp. 6

The following documents contain provisions which, through reference in this text, constitute provisions of the present document.
  • References are either specific (identified by date of publication, edition number, version number, etc.) or non specific.
  • For a specific reference, subsequent revisions do not apply.
  • For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document.
[1]
TR 21.905: "Vocabulary for 3GPP Specifications".
[2]
TS 22.004: "General on supplementary services".
[3]
TS 22.011: "Service accessibility".
[4]
TS 22.016: "International Mobile station Equipment Identities (IMEI)".
[5]
TS 22.083: "Call Waiting (CW) and Call Hold (HOLD) supplementary services - Stage 1".
[6]
TS 22.084: "MultiParty (MPTY) supplementary services - Stage 1".
[7]
TS 22.090: "Stage 1 description of Unstructured Supplementary Service Data (USSD)".
[8]
TS 23.038: "Alphabets and language".
[9]
TS 24.008: "Mobile radio interface layer 3 specification; Core Network Protocols - Stage 3".
[10]
TS 24.080: "Mobile radio interface layer 3 supplementary services specification Formats and coding".
[11]
TS 29.002: : "Mobile Application Part (MAP)".
[12]
TS 22.081: "Line Identification Supplementary Services - Stage 1".
[13]
ITU-T Recommendation E.164: "Numbering plan for the ISDN era".
[14]
ITU-T Recommendation E.121: "Pictograms and symbols to assist users of the telephone service".
[15]
TS 22.072: "Call Deflection; Stage 1".
[16]
TS 22.091: "Explicit Call Transfer Supplementary Service; Stage 1".
[17]
TS 22.093: "Call Completion to Busy Subscriber (CCBS); Stage 1".
[18]
TS 22.101: "Service principles".
[19]
TS 22.001: "Principles of circuit telecommunication services supported by a Public Land Mobile Network (PLMN)".
[20]
TS 22.094: "Follow Me Service description - Stage 1".
[21]
TS 22.135: "Multicall supplementary service Stage 1".
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3  Definitions and abbreviationsp. 7

3.1  Definitionsp. 7

For the purposes of the present document, the following definition applies:
Directory Number:
A string consisting of one or more of the characters from the set {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, *, #, a, b, c} associated with a nature of address indicator and number plan indicator. When using the public MMI for the control of supplementary services however, * and # cannot be part of any SC or SI field.
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3.2  Abbreviationsp. 7

For the purposes of the present document, the abbreviations listed in TR 21.905 apply.

4  Generalp. 7

4.1  Basic philosophyp. 7

The basic idea behind the present document is that it should give a minimum level of requirements, with emphasis on items which are seen as important from a usage point of view. This means, that the requirements are mainly dealing with standardized control procedures of access to services i.e. call establishment, invocation of supplementary services and so on.
The requirements on the physical layout of input and output features are kept to a minimum to allow for differentiated types of Ues and to ease the introduction of future developments in the area of MMI. The standardized control procedures describe the sequence of real actions to be taken by the users. However, since the requirements on the physical input features are minimal the control procedures may differ between Ues depending on the solution of the manufacturers. The "bridge" between these requirements is however that the same logical actions have to be taken by the user. That is, the user has to provide the same information for the call control and signalling no matter what the method is. This is also valid if an automatic device is used for carrying out the same actions. The logical procedures are therefore defined and standardized in the present document.
Optionally, the user may set the ME to disable some or all of the MMI functions defined in the present document. This setting shall only apply when the same SIM/USIM is in use otherwise the ME shall enable the standard MMI.
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5  Physical user input featuresp. 8

5.1  Generalp. 8

This clause gives the requirements or guidelines for the MMI of the input related UE features. Basic requirements on these features are given in TS 22.101.

5.2  MMI related to UE featuresp. 8

* Country/PLMN selection:
The method is manufacturer optional.
* International Access Function ("+" key):
and
* Keypad:
The physical means of entering the characters 0 9, +, * and # (i.e. the SELECT function) may be keypad, voice input device, DTE or other, but there must be means to enter this information.
The relationship on the keypad between the numbers and letters (where used) is important when mnemonic dialling may be used. The following relationship is therefore preferred though optional.
16MNO
2ABC7PQRS
3DEF8TUV
4GHI9WXYZ
5JKL0
* ACCEPT, SEND and END functions:
The physical means to perform these functions may be keypad, voice input device, DTE or other, but there must be means to perform these functions. ACCEPT and SEND may use the same means.
* Setting of called Number Fields (Type of Number), use of the "+" key function:
Users may enter a called number in two formats, called here International or Open. The Type of Number (TON) may be set to other values if required, but the procedure for this is not defined here.
"International format":
This is entered by starting with a "+" followed by country code, even for national calls. This method is preferred for roaming and international calls, and highly desirable for storage of short codes or for call-forwarding.
This sets the TON to "International" - see TS 24.008.
"Open format":
This is when the "+" is not entered, and the number is entered in the normal way for that network. The number may require a prefix or escape code as normal, for example for entering the international access code or national access code (often "0").
This sets the TON to "Unknown" - see TS 24.008. (This is not the "National" case, which does not permit prefix or escape digits).
Care should be taken with this format, since the dialled number will only be correct in a given network, and may be wrong when roaming. Caution must be applied when using stored numbers or call-forwarding.
* Setting of Called Number Fields (Number Plan Indicator):
The default Number Plan Identification (NPI) shall be ITU-T E.164 [13] if all the digits are in the range 0 9 and the NPI shall be "unknown" if other number information is included. However, if the user selects (or has selected) a particular NPI (procedure not defined) then that NPI shall be used.
* Entry of Bearer Capability Information Elements (BCIE):
This is required in order to indicate information such as whether it is a voice or data call, facsimile, synchronous or asynchronous etc. The method for entering this information is of mobile manufacturer's option. For those User Equipment offering only telephony (and emergency calls), the default BCIE shall be for telephony (or emergency call). For User Equipment supporting non-voice services, there shall be means to set the BCIE required, by reading the appropriate field in the SIM/USIM and possibly otherwise. This field may be associated with or independent of the called number.
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6  Proceduresp. 9

6.1  Generalp. 9

This clause defines the MMI of the service access procedures, and supplementary service control procedures. These procedures are defined as logical procedures and in general no mandatory methods are specified. In order to make the descriptions continuous and clear requirements in TS 22.101 have been included or are referenced. The mapping between the MMI procedures and the call control entity is specified in TS 24.008.
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6.2  UE accessp. 9

The UE access procedure is comprised of the initial actions the user has to take before calls can be established or received. This procedure includes e.g. insertion of subscriber-card and entering the PIN-code.
As there exist different types of UE and as requirements in other 3GPP specifications allow different options the UE access procedure may differ between User Equipment. The method for describing the UE access procedures is by using a Mealy-graph, see Annex A.
The graph shows the UE access for simple UE e.g. hand-held and they may be different for more complex stations. It should also be noted that the exact sequences of events are not described, these may be chosen by the manufacturers.
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6.3  Definition of functionsp. 9

The following functions are applicable and mandatory for the logical procedures for Mobile originated and terminated calls and for the control of Supplementary Services:
ACCEPT:
Acceptance of a mobile terminated call.
SELECT:
Entry of information.
SEND:
Transmission of the entered information to the network.
INDICATION:
Call progress indications. Other indications may be given in addition throughout the procedure.
END:
Termination of or disconnection from the call. The execution of the END-function may be caused by either party involved in the call by e.g. termination, loss of coverage, invalidation of payment.
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6.4  Call Controlp. 10

6.4.1  Generalp. 10

Voice calls to and from a User Equipment shall be controlled in accordance with the procedures described below. "Data calls" are expected to be controlled in a similar way but are not here specified.

6.4.2  Voice callsp. 10

The voice call is either a normal telephony call or an emergency call.

6.4.2.1  Mobile originated callsp. 10

The following sequence of functions shall be used:
SELECT: Entry of called address information.
SEND: Transmission of the called address.
INDICATION: Call progress indications.
END: Termination of the call.

6.4.2.2  Emergency callsp. 10

With User Equipment supporting Telephony, it shall be possible to place an emergency call as specified in TS 22.101.

6.4.2.3  Mobile terminated callsp. 10

The following sequence of functions shall be used:
INDICATION:
Alert to the user that she is being called.
ACCEPT:
Acceptance of the incoming call by the user.
INDICATION:
Call progress indications.
END:
Termination of the call.
User Determined User Busy (UDUB):
If, on being alerted by an incoming call, the called user enters "0 SEND", this shall set UDUB for that call, which shall either invoke call forwarding on busy, if active and operative, or else present BUSY to the calling party.

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