2.5. Category/ Supplementary Services Forward Messages

The following types of Category/ Supplementary Services Forward Messages are included in the MUP and are each identified by a different heading code H1:

2.5.1 Category/ Supplementary Services Updating Message (CSU)

2.5.2 Supplementary Services Registration/ Cancellation Message (SRM)

2.5.3 Pre-supplementary Services Registration/ Cancellation Message (PSR)

 

2.5.1 Category/ Supplementary Services Updating Message (CSU)

Basic format:

f

e

d

c

b

a

fe......BA

H.........BA

P.......BA

D.....BA

D.....BA

fe.......BA

SUPPLEM. SERVICES ACTIVATION INDICATORS

SUBSCRIPTION REGION CODE

MOBILE STATION CATEGORIES SET NO 1

HEADING CODE H1

HEADING CODE H0

TRANSACTION NUMBER

32

8

16

4

4

32

k

j

i

h

g

P..........BA

H..........BA

H.....BA

D.....BA

D..........BA

INFORMATION FIELD FOR IN-SERVICES

INFORMATION FIELD FOR BUSINESS GR. SUBSCRIBERS

MOBILE STATION IDENTITY

NUMBER OF DIGITS

INFORMATION FIELD INDICATOR SET NO 1

0/16

0/8

n * 8

4

4

Optional

Optional

4<n<5

   

p

o

n

m

l

H..........BA

H............BA

P.......BA

H..........BA

H.........BA

MESSAGE WAITING INDICATORS

SUPPLEMENTARY SERVICES/ MOBILE STATION CATEGORIES SET NO 2

PREPAID CALL UNITS

INFORMATION FIELD INDICATOR SET NO 2

INFORMATION FIELD FOR SUBSCRIPTION STATUS

0/8

0/8

0/16

0/8

0/8

Optional

Optional

Optional

Optional

Optional

Figure 2.5.1 Category/Supplementary Services Updating Message.

The following codes are used:

a Transaction number.

See paragraph 2.2.

b) Heading code H0 is coded 0010.

c) Heading code H1 is coded 0001.

d) Mobile Station Categories Set no 1.

Coding of these indicators has the following meaning:

0 Service not activated/not equipped

1 Service activated/ equipped

Bit A: Handhold mobile station.

Bit B: Battery saving

Bit C: Added Mobile Identity Security

Bit D: Payphone

Bit E: Priority

Bit F: Official

Bit G: Bearer service

0: Speech

1: Data + speech

Bit H: Test equipment

Bit JI: Mobile station signalling variant

 

00

Not used value

 

01

Basic NMT-450 signalling

 

10

Basic NMT-900 signalling

 

11

Extended NMT-450 signalling

Coding of the following indicators:

0: Service not activated/ not equipped

1: Service activated/ equipped

Bit K: Interleaved channels (NMT-450)

Bit L: Extended channels (NMT-450)

 

Bit NM: Voice privacy

These bits are used for transfer of the type of equipment needed in MTXV to support voice privacy.

00

No voice privacy unit

 

01

Global type no.1 of voice privacy unit

 

10

Global type no.2 of voice privacy unit

 

11

Global type no.3 of voice privacy unit

Bit O: Low Emission MS, LEMS (NMT-450)

Bit P: Continuos Power Control, CPC MS (NMT-450)

e) Subscription Region Code.

Binary number chosen by the administrations indicating the subscription area for the mobile stations.

The code: 00000000 is reserved for "No restrictions"

f) Supplementary services activation indicators.

This field is split into subfields:

Bit DCBA:

Outgoing call barred Indicator

 

0000

MUP code 0

 

0001

MUP code 1

 

:

:

 

:

:

 

1111

MUP code 15

Bit GFE:

Three party service

000

No access to enquiry

 

001

Access to enquiry

 

010

Access to enquiry and 3-party conference

 

011

Access to enquiry with transfer service

 

100

Subscriber with full 3-party service (enquiry with transfer and 3-party conference).

 

101

Subscriber with full 3-party service with transfer on busy

 

110

Spare

 

111

Spare

Bit LKJIH:

Conditional Call Transfer services

Coding of these indicators has the following meaning:

0 Service not activated

1 Service activated

Bit H: Conditional Call Transfer on no page response

Bit I: Conditional Call Transfer on no answer

Bit J: Conditional Call Transfer on busy

Bit K: Conditional Call Transfer on BS congestion

Bit L: Spare

Bit WVUTSRQPONM:

Other supplementary services

Coding of these indicators has the following meaning:

0 Service not activated

1 Service activated

Bit M: Malicious call tracing

Bit N: CCBS indicator

Bit O: Immediate price indicator

Bit P: Call waiting indicator

Bit Q: Incoming call restricted. This indicator is set when for example "Incoming Call Barred", "Immediate Call Diversion" or "Don't disturb" is activated. The indicator is used to decide whether the mobile stations call diversion indicating light shall be lit or not.

Bit R: Checking of K1K2K3. If the MS Identity transferred consists of only seven digits, the checking of K1K2K3 is never performed (see section 2.4.1.g). Otherwise the checking is performed according to this bit.

Bit S: Business Group Subscriber

Bit T: Provide announcement on call transfer for:

- Unconditional Call Transfer

- Conditional Call Transfer on busy

- Conditional Call Transfer on BS congestion

Bit U: Provide announcement on call transfer for:

- Conditional Call Transfer on no answer

- Conditional Call Transfer on no page response

Bit V: Personal number service

Bit W: Holiday subscriber

Bit X: Immediate billing output

Bit Y: Calling line identification restriction (CLIR)

Bit Z: Maintenance supervision

Bit a: Spare

Bit b: Prepaid Call Units Indicator

Bit c: Spare

Bit d: Elapsed Authorisation period

Bit fe : Spare

g) Information Field Indicator Set no 1

0: Field not included.

1: Field included.

Bit A: Information Field for Business Group Subscriber indicator.

Bit B: Indicator for the presence of a second set of Information Field Indicator sets.

Bit C: Information field for IN-Service indicator

Bit D: Information field for Subscription status indicator

h) Number of digits

A code expressing in pure binary representation the number of digits contained in the following subfield.

i) Mobile station Identity.

See paragraph 2.4.1.g.

j) Information Field for Business Group Subscriber

This is an optional field. The field is used for transfer of the Access Code for Business Group subscribers. The following codes are used in this fields:

Bit DCBA:

Access Code.

The coding of the access code is as described in paragraph 2.5.2.f.

Bit HGFE:

Spare.

k) Information Field for IN-Services

This is an optional field. The field is used for transfer of the information concerning the IN-service for mobile calls (IN Category Key, ICK)

Bit P..CBA:

The coding of ICK is operator specific. If the ICK is transferred between operators, translation tables are used in the MTX's and in the HLR’s.

l) Information Field for Subscription status

This is an optional field. The field is used for transfer of

the information concerning the Subscription status.

In order to monitor a subscriber's movements within one MTXV

and thereby provide for the MTXH/HLR to decide on

restrictions in smaller areas than an entire MTXV service

area, LUM may be requested to be sent from the MTXV when the

subscriber registers to a new traffic area within the

concerned MTXV.

Bit CBA: Reason for closing

000

Normal status

 

001

Closed due to «Bill unpaid»

 

010

Closed due to Password-errors

 

011

Closed due to SIS-errors

 

100

Closed due to other reason

 

101

Subscription restrictions. Send LUM at Traffic Area change.

 

110

Spare

 

111

Spare

Bit D: Level of monitoring

0: Full monitoring

1: Limited monitoring

Bit E: Monitoring

0 Service not activated

1 Service activated

Bit HGF: Reason for closing

000

New location not verified

 

001

New location accepted in HLR/MTXH

 

010

Verification by PIN-Code required

 

011

Verification by SIS required

 

100

Spare

 

101

:

 

110

:

 

111

Spare

m) Information Field Indicator set no 2

0 Field not included.

1 Field included.

Bit A: Prepaid Call Units

Bit B: Supplementary Services/ Mobile Station Categories

Set no 2

Bit C: Message Waiting Indicators

Bit HGFED:

Spare

n) Prepaid Call Units

This is an optional field. The field indicates the amount of the remaining «Prepaid Call Units». Coding as in paragraph 2.4.1.g. The value of the Prepaid Call Units is operator specified.

o) Supplementary Services/ Mobile Station Categories Set no 2.

Coding of these indicators has the following meaning:

0 Service not activated

1 Service activated

Bit A: Calling Line Identification Presentation

Bit B: Calling Line Identification Presentation Restriction Override.

Bit C: Message Waiting Indicators on MS display

Bit D: SIS Authentication for Incoming Call.

Bit FE: Voice Privacy Set Number 2

These bits are used to inform about the type of Voice Privacy implemented in the Mobile Station

 

00

No Voice Privacy

 

01

Voice Privacy type no 1

 

10

Voice Privacy type no 2

 

11

Voice Privacy type no 3

Bit HG: Spare

 

p) Message Waiting Indicators

Coding of these indicators has the following meaning:

0 No Message Waiting

1 Messages Waiting

Bit A: Short Message

Bit B: Voice Mail.

Bit C: Fax

Bit D: E-mail

Bit E: Data

Bit HGF: Spare

 

2.5.2 Supplementary Services Registration/ Cancellation Message (SRM)

Basic format:

f

e

d

c

b

a

H..........BA

H.......BA

H..........BA

D.....BA

D.....BA

fe.........BA

SUPPLEMENTARY SERVICES REGISTRATION/CANCELLATION

NUMBER OF DIGITS

TRANSACTION REFERENCE

HEADING CODE H1

HEADING CODE H0

TRANSACTION NUMBER

n * 8

8

8

4

4

32

2<n<12

Figure 2.5.2 Supplementary Services Registration/ Cancellation Message

The following codes are used:

a) Transaction number.

See paragraph 2.2

b) Heading code H0 is coded 0010

c) Heading code H1 is coded 0010

d) Transaction reference

This is a binary number of eight bits used to link the two messages Pre-supplementary Services Registration/ Cancellation Accepted Message (PSA) and Supplementary Services Registration/ Cancellation Message (SRM) which is considered one transaction. The reference can be reused when the transaction has been success fully completed.

e) Number of digits.

See paragraph 2.4.1.f

f) Supplementary Services Registration/ Cancellation

Supplementary services requested and/ or cancelled, (procedure dialled by the subscriber).

The information received from the subscriber is coded as shown below. The most significant digits are sent first. Subsequent digits are sent in successive 4-bit fields.

 

 

0000

Digit 0

1000

Digit 8

 

0001

Digit 1

1001

Digit 9

 

0010

Digit 2

1010

A

 

0011

Digit 3

1011

*

 

0100

Digit 4

1100

#

 

0101

Digit 5

1101

B

 

0110

Digit 6

1110

C

 

0111

Digit 7

1111

D

Filler

2.5.3 Pre-supplementary Services Registration/ Cancellation Message (PSR)

 

Basic format:

f

e

d

c

b

a

H.......BA

D.......BA

L.......BA

D.....BA

D.....BA

fe.........BA

MOBILE STATION IDENTITY

NUMBER OF DIGITS

MTXV IDENTITY

HEADING CODE H1

HEADING CODE H0

TRANSACTION NUMBER

n*8

4

12

4

4

32

4£ n£ 5

Figure 2.5.3 Pre-supplementary Services Registration/ Cancellation Message.

The following codes are used:

a) Transaction number.

See paragraph 2.2.

b) Heading code H0 is coded 0010.

c) Heading code H1 is coded 0011.

d) MTXV-Identity.

See paragraph 2.4.1.e.

e) Number of digits.

See paragraph 2.4.1.f.

f) Mobile Station Identity.

See paragraph 2.4.1.g.