----1
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`i I
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`1
`I
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`MPT 1347
`
`Radio interface specification
`For commercial trunked Iietworks
`
`ioperating in Band III, sub-bands 1 and 2
`
`1
`
`August 1988
`Revised and reprinted September 1991
`
`EXHIBIT
`
`Ex.1007
`
` Ex. 1007
`
`Page 1 of 86
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`iocommunacanons Agency :5 an EXEEUUVE Agency ol the
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`PETITIONER'S EXHIBIT 1007
`D PETI'I‘IGONER'S EXHIBIT 1007
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`

`

`Crown Copyright 1988
`
`First published 1988
`
`Revised and reprinted September 199]
`
`
`
`ISBN 1 870837 26 6
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`

`

`FOREWORD
`
`This specification contains the radio interface requirements to be met by trunking system
`controllers and the associated base stations to be used in commercial
`trunked networks
`
`operating in Band III. sub-bands l and 2.
`
`A companion Specification, MPT 1343, contains the requirement to be met by radio units to
`be used with these networks.
`
`These complementary specifications are intended to enable a user to migrate from one
`commercial trunked network to another without having to change mobile radio unit.
`
`Intellgtual Property fights
`
`Firms intending to manufacture equipment which complies with the specification should be
`aware that certain features of the specification are subject to IPR claims.
`
`All firms are therefore advised that they should make appropriate enquiries through
`their Patent Agents before proceeding.
`
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`|-‘-------_---
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`

`

`CONTENTS
`
`1
`
`2
`
`3
`
`4
`
`SCOPE
`
`ASSOCIATED DOCUMENTS
`
`GENERAL
`3.]
`
`Definitions
`
`3.2
`
`Environmental Requirements
`
`TRANSMITTER PARAMETERS
`
`4. 1
`4.2
`4.3
`
`Frequency Parameters
`Modulation Characteristics
`Performance Parameters
`
`5
`
`RECEIVER PARAMETERS
`
`5.1
`5.2
`5.3
`
`Frequency Parameters
`Demodulation Characteristics
`Performance Parameters
`
`Page
`
`1‘1
`
`2‘1
`
`3
`
`3—
`
`4-1
`4-2
`4-2
`
`S 1
`5-2
`5 2
`
`6
`
`7
`
`8
`
`NETWORK PARAMETERS
`6 1.
`
`Introduction
`
`6.2
`
`6.3
`
`6.4
`
`Network Dependent Data
`
`User Address Data
`
`Fixed Parameters
`
`6.5
`
`Network Customisation
`
`SECURITY
`
`NUMBERING CONVENTION
`8. 1
`Introduction
`
`8.2
`8.3
`
`8.4
`
`Network Options
`Call Diversion
`
`Storage Requirements
`
`9
`
`CONTROL CHANNEL OPERATION
`
`9.1
`9.2
`9.3
`9.4
`9.5
`
`Control Channel Availability
`Control Channel Frequencies
`Forward Control Channel Structure
`Control Channel Parameters
`Broadcast Information
`
`10
`
`REGISTRATION (Standard Option)
`10.1
`Registration in the network operating in the normal mode
`10.2 Registration Procedures
`
`ii
`
`-1
`
`-1
`a
`
`6
`2—
`2
`
`-4
`
`at
`
`7-1
`
`8-1
`
`8—1
`8-3
`
`8—4
`
`9-1
`9—1
`9-2
`9-7
`9-8
`
`10‘!
`10-]
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`I I I I I I I I I I
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`I I I I I I I I I I
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`

`ll
`
`GENERAL CONTROL PROCEDURES
`11. 1
`Introduction
`11.2 Definitions
`
`Signalling Formats
`11.3
`11.4 Addressing
`11.5 Codeword Structures
`11.6 Channel Discipline
`11.7 Random Access Protocol
`11.8 Registration Procedures
`11.9 Basic Call Procedures
`11.10 Emergency Call Procedures
`11.1]
`Include Call Procedures
`11.12 Call Diversion Procedures
`11.13 Status Message Procedures
`11.14 Short Data Messages
`11.15 Data Interrogation Procedures
`11.16 Not used
`11.17 Standard Data Procedures
`
`12
`
`13
`
`14
`
`NON STANDARD DATA
`
`FALL-BACK MODE (Standard Option)
`13.1
`Introduction
`13.2 Entering Fallback Mode
`13.3
`Procedures in Fall-back Mode
`13.4 Resuming normal control channel operation
`
`SHORT DATA ON THE CONTROL CHANNEL USING RQC
`14.1
`Introduction
`14.2 Message Format
`14—3 The Use of Control Fields for STF = '1'
`14—4 TSC Procedures
`14-5 An Example of the Procedures for Extended Data Message
`
`APPENDIX A
`
`APPENDIX B
`
`A.1
`A.2
`A.3
`
`3.1
`
`13.2
`
`Approval Arrangements
`Design changes
`Address for Approval Applications
`
`Declaration to be completed when applying
`for an MPT 1347 Approval Certificate
`Application for MPT 1347 Approval Certificate
`
`APPENDIX C
`
`SCHEDULE OF TSC FACILITIES TO BE TESTED
`C.1 Mandatory Facilities
`Standard Optional Features and Facilities
`
`iii
`
`11-1
`11-1
`
`11-1
`1 1-2
`11-2
`ll~8
`11-8
`11—9
`”-9
`11-11
`“-11
`“-11
`11—11
`“-12
`11-12
`11~12
`11-12
`
`12-1
`
`13-1
`13-1
`13-1
`13-1
`
`14-1
`14—2
`14-9
`14-10
`14-13
`
`A-l
`A-l
`A-2
`
`B-l
`B-Z
`
`01
`02
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`

`1
`
`SCOPE
`
`This specification is designed to be read in conjunction with MPT specifications 1323. 1327
`and l343, and contains the radio interface requirements to be met by trunked system
`controllers and associated base stations to be used in commercial trunked networks operating
`in Band III sub-bands 1 and 2.
`
`It covers the requirements for the following:
`
`- Signalling, based on MPT 1327;
`
`- Radio frequency parameters, where they are different from MPT 1323;
`
`- Technical interfaces for operation with radio units meeting MPT 1343:
`
`- Network operation;
`
`There are two main types of requirement:
`
`- Mandatory, applicable to all networks;
`
`- Optional, but implemented in a standard manner in networks where the options are
`implemented.
`
`l—l
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`2
`
`ASSOCIATED DOCUMENTS
`
`MPT 1317 (1981)
`
`Code of practice for the transmission of digital information over land
`mobile radio systems.
`
`MPT 1318 (1986)
`
`Engineering memorandum: Trunked systems in the land mobile
`service.
`
`MPT 1323 (1987)
`
`Angle modulated radio equipment for use at base and mobile stations
`in the private mobile radio service operating in the frequency had 174-
`225 MHZ.
`
`MPT 1327 (1987)
`
`A signalling standard for trunked private land mobile radio systems.
`
`MPT 1331 (1987)
`
`Code of practice for radio site engineering.
`
`MPT 1343 (1988)
`
`to be used with
`radio units
`System interface specification for
`commercial trunked networks operating in Band III sub-bands l and 2.
`
`MPT 1352 (1991)
`
`the approval of radio units to be used with
`Test schedule for
`commercial trunked networks operating in Band III sub—bands 1 and 2.
`
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`3
`
`3. I
`
`GENERAL
`
`Definitions
`
`The definitions of terms used in this specification are given in MPT 1343. Two further
`definitions are given here:
`
`Network op_erator: The licensed operator of the network(s}.
`
`§yst§m standard data: This refers only to data messages originated or regenerated by the
`system using the data modulation specified in section 4.2.3 and with the form specified in
`MPT 1327, section 3. This definition excludes standard data signals originated by a unit but
`passing through the system without the system taking any responsibility for their form.
`
`!! delimiters in this specification refer to section
`Section numbers appearing between i!
`numbers within MPT 1327. Section numbers appearing between 95% %% deiimiters refer
`to section numbers within MPT 1343.
`
`'
`I
`
`3.2
`
`Environmental Rgiuirements
`
`Unless otherwise specified, base stations shall meet the requirements of this specification
`under extreme test conditions, as defined in MP’I‘ 1323, section 2.4. Other equipment shall
`be designed so as to take into account the environment in which it shall operate. Specified
`limits or requirements shall not be exceeded due to environmental conditions.
`
`3-1
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`
`
`
`
`-"-'--'-'-‘-’-'-‘-'-"-'--'-"-‘-'-‘-‘--
`
`
`
`
`
`4
`
`4.1
`
`TRANSMITTER PARAMETERS
`
`Freguency Parameters
`
`4.1.1
`
`Channel Spacing and Designation for Sub-band l
`
`The channel spacing shall be 12.5 kHz.
`
`the channel designations shall be as follows:
`
`Channel Number
`
`CHAN field binary
`representation of
`channel number
`
`Base station
`transmitter
`frequency
`
`1
`
`58
`
`176.5000 MHz
`
`1000000001
`
`177.2125 MHz
`
`560
`
`1111110111
`
`183.4875 MHz
`
`The equipment shall be capable of operating on at least any one selected channel within the
`range 58 to 560 (177.2125 MHz to 183.4865 MHz). Transmission outside this frequency
`range is not permitted.
`
`4.1.2
`
`Channel Spacing and Designation for Sub-band 2
`
`The channel spacing shall be 12.5 kHz. The channel designations shall be as follows:
`
`Channel Number
`
`CHAN field binary
`representation of
`channel number
`
`Base station
`transmitter
`frequency
`
`1
`
`58
`
`200.5000 MHz
`
`0000000001
`
`201.2125 MHz
`
`560
`
`0111110111
`
`207.4875 MHz
`
`The equipment shall be capable of operating on at least any one selected channel within the
`range 58 to 560 (201.2125 MHz — 207.4875 Mp2). Transmission outside this frequency
`range is not permitted.
`
`4. 1.3
`
`Frauency Tolerance
`
`The carrier frequency transmitted shall be within 1.0 kHzof the nominal transmit frequency.
`
`4-!
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`4.2
`
`Modulation Characteristics
`
`4.2. 1
`
`general
`
`The peak frequency deviation shall not exceed :2.5 kHz.
`
`4.2.2
`
`Smh Modulation
`
`Speech transmissions shall employ a phase modulation characteristic.
`
`4.2.3
`
`5" ‘tem §tandard Dag Modulation
`
`System standard data modulation shall be by audio subcanier modulation employing phase
`continuous fast frequency shift keying (FFSK) to a frequency modulation characteristic at the
`RF carrier. During transmission of system standard data all audio other than this data signal
`shall be muted by at least 35 dB. The parameters of the modulation shall be as follows:
`
`Bit rate
`Modulation rate
`Binary '0'
`Binary '1‘
`Amplitude difference
`Data element boundaries
`Peak deviation
`Normal conditions
`Extreme conditions
`
`1200 Bit/s
`1200 Baud
`1800 Hz
`1200 Hz
`< 1.5 dB
`Phase 0" or 180°
`
`1.5 kHz 1 250 Hz
`1.5 kHz -_|- 500 Hz
`
`The method for modulating any other data is not prescribed in this specification.
`
`4.3
`
`Performance Parameters
`
`Transmitters shall meet the requirements of MPT 1323.
`
`Intermodulation attenuation shall be at least 40 dB for any intermodulation component. This
`may be achieved by the use of isolating devices external to the transmitter.
`
`
`
`4-2
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`-----'-'-"*---'-'-'-'-
`
`5
`
`RECEIVER PARAMETERS
`
`The requirements of this section shall be met under normal test conditions, as defined in
`MPT 1323 section 2.3, unless otherwise specified.
`
`5.1
`
`Frguency Parameters
`
`5.1.2
`
`Channel Spacing and Designation for Sub—band 1
`
`The channel spacing shall be 12.5 kl-lz. The channel designations shall be as follows:
`
`Channel Number
`
`CHAN field binary
`representation of
`channel number
`
`Base station
`receiver
`frequency
`
`184.5000 MHz
`
`1000000001
`
`185.2125 MHz
`
`1
`
`58
`
`560
`
`1111110111
`
`191.4875 MHz
`
`The equipment shall be capable of operating on at least any one selected channel within the
`range 185.2125 MHz to 191.4875 MHz. Opeation outside this range is not permitted.
`
`5.1.2
`
`EQhannel Spacing and Designation for Sub-band 2
`
`The channel spacing shall be 12.5 kHz.
`
`the channel designations shall be as follows:
`
`Channel Number
`
`CHAN field binary
`representation of
`channel number
`
`Base station
`receiver
`frequency
`
`192.5000 MHz
`
`0000000001
`
`193.2125 MHz
`
`1
`
`58
`
`560
`
`0111110111
`
`199.4875 MHz
`
`The equipment shall be capable of operating on at least any one selected channel within the
`range 193.2125 MHz - 199.4875 MHz. Operation outside this frequency range is not
`permitted.
`
`5.1.3
`
`Frequency Tolerance
`
`The centre frequency of the response of the receiver shall be within 1.0 kHz of the nominal
`receive frequency.
`
`S-l
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`5.2
`
`Demodulatign gharacteristics
`
`5.2.1
`
`Spgzgh §ignals
`
`The speech demodulator shall have a phase demodulation response characteristic. The
`permitted departure from the phase demodulation response amplitude characteristic over the
`audio frequency range 300 Hz to 2.55 ld-Iz shall be i3 dB, ie the total audio output power
`shall fit totally within the mask of figure 5.1.
`
` /
`
`HUN/IN///////////////H
`
`/ /
`
`MPIitude
`relative to
`
`—
`
`optimum phase
`demodulator
`response
`
`T
`6 dBI
`J.
`
`/
`/
`l
`HI/l/HH/ll/l/l/H/l/l/H/
`
`100
`
`300
`
`1000
`
`2550
`
`10000
`
`5.2.2
`
`Data Signals
`
`Fi ure
`
`.1
`
`Received standard data signals have a fast frequency shift keying (FFSK) characteristic.
`Standard data modulation follows the requirements of MP1“ 1323, that is phase continuous
`1200 baud FFSK, with 1800 Hz representing binary ‘0‘ and 1200 Hz representing binary '1’.
`
`Note: The received peak deviation of standard data does not exceed $2.0 kHz and is not less
`than $1.0 kHz. For non-prescribed data, the peak frequency deviation does not exceed
`$2.5 kHz.
`
`5.3
`
`Eerformflce Pmmeters
`
`Base station receivers shall meet the requirements of MPT 1323.
`
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`6
`
`NETWORK PARAMETERS
`
`6. 1 mm
`
`This section details both the fixed and variable parameters which allow a radio unit to be
`customised and personalised to take service from a network.
`
`The data is divided into two categories: network dependent data (which defines how the radio
`unit operates), and user address data (which contains address and call information).
`
`6.2
`
`Network Degndent Data
`
`The network operator shall pr0vide the following information to allow radio units to be
`customised for the particular network.
`
`Parameter
`
`Item SizefRange
`of values
`
`Number of
`Entries
`
`1 Zone sub-field length
`2 Area sub-field length
`3
`Identity code of selected network
`4 Normal Hunt Channel Numbers!
`Size of Hunt
`5 Lowest Channel No in Network
`
`6 Highest Channel No in Network
`7
`Suppress Comprehensive Hunt
`8 Value of INFO to be used in RQR
`9 LMl Level margin (see 9.3.5)
`10 LM2 Level margin (see 9.3.5)
`ll LM3 Level margin (see 9.3.5)
`12 NC]- Size of Error Check Sample prior
`to confirmation
`13 NC2’ Size of Error Check Sample after
`confirmation
`14 NDD preference data
`15 NS- No. of samples in background sampling
`activity
`16 NV- No. of consecutive CCSCs during
`verification
`l7 NXl- Error codeword limit prior to
`canfirmation
`18 NX2- Error codeword limit after
`
`confirmation
`19 NZl- No of samples for error checking
`prior to confirmation
`20 N22- No of samples for error checking
`after confirmation
`21 NPON Number of Pressel 0n Messages
`
`6-l
`
`0 to 9 bits
`0 to 9 bits
`2 or 7 bits
`10 bits + TS flag
`Range 1 to 32
`10 bits
`
`1
`1
`1
`32
`1
`1
`
`1
`10 bits
`1
`Flag
`1
`15 bits
`0 to 40 dB in steps of 6 dB 1
`0 to 40 dB in steps of 6 dB 1
`0 to 40 dB in steps of 6 dB 1
`
`0 to 255 step 1
`
`2
`
`0 to 255 step 1
`Max. 9 bits
`
`2
`4 min.
`
`1 to 10 in steps of 1
`
`1 to 16 step 1
`
`0 to 255 step 1
`
`0 to 255 step 1
`
`1 to 255 step 1
`
`to 255 step 1
`1
`1 lo 5
`
`l
`
`2
`
`2
`
`2
`
`l
`
`l
`l "
`
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`
`
`22
`
`23
`24
`25
`26
`27
`
`NPOFF Number of Pressel Off "Messages
`PREFERRED NDD priority indicator
`PREFERRED NDD sub-field length
`TC» Random Access Timeout
`TD- Registration Record Timeout
`TGI- Short Data Message
`Individual time out observed when radio
`
`to 5
`1
`to 10 in steps of 1
`1
`Range 0 to 9 bits
`0 to 120 secs step 10
`0 to 70 min step 5
`1
`to 15 seconds in 1 second
`steps
`
`unit responds to HEAD with
`ACK (QUAL = 0) or ACKB (QUAL = 1)
`28 TGG- Short Data Message Group timeout
`observed when radio unit receives a group
`HEAD message
`29 TH— Sampling activity duration
`30 TL— Sampling activity interval
`
`31 TJ- Further Signalling Timeout
`32 TN- Traffic Channel Timeout
`33 TS— Delay before leaving a
`Control Channel
`34 TD Maximum Item Duration
`35 Home Zone
`36 Non-applicable Channel Nos
`37 NT- Max TSC Response Delay to
`Unsolicited Traffic Channel Message
`38 TU- Data Call Duration Timer
`39 Suppress Data Call Duration Timer
`40 TA- Timeout for called radio
`unit after receiving AHY
`41 TW- Timeout for radio unit
`waiting for call
`
`l to 30 seconds in 1 second
`steps
`
`0 to 100 slots in steps of 1.
`0 to 3000 slots in
`steps of 100, or
`0 to 310 seconds in
`
`steps of 10
`0 to 60 secs step 10
`0 to 10 secs step 1
`
`0 to 10 secs step 1
`0 to 60 secs step 10
`0 to 9 bits
`10 bits
`103 to 1236 hits step
`103 bits
`30 to 180 secs Step 30 secs
`Flag
`10 to 120 second steps OR
`fixed at 60 seconds
`60 seconds
`
`1
`4 min.
`4 min.
`1
`1
`
`1
`
`1
`
`l
`
`l
`1
`l
`
`l
`1
`1
`Unspecified
`
`1
`1
`1
`
`1
`1
`
`6.3
`
`6.3.1
`
`user Address Data
`
`Data Programmfl lnto all Radio Units
`
`The following data has to be programmed into all radio units. The source of this data is not
`specified.
`
`Parameter
`
`Item Size/Range
`of values
`
`Number of
`Entries
`
`1 Own Prefix
`2 Own Individual Indent
`3 Access Authorisation Data
`4 Radio Unit Control Category
`
`7 bits
`13 bits
`Max 9 bits
`1 of 4
`
`1
`1
`8 min
`1
`
`6-2
`
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`---.------.o-v---v---v---*-'---
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`
`
`
`
`Number of
`Entries
`
`min
`
`1
`
`10 max
`Unspecified
`112
`
`1/2
`1
`
`20 bits
`13 bits
`
`13 bits
`
`Flag
`Flag
`[3 bits
`
`13 bits
`
`Unspecified
`Unspecified
`13 bits
`
`13 bits
`13 bits
`
`Flag
`10 bits
`
`4/9 bits
`
`\DMQONMh-LQNi—I
`D—lr-Ilh-‘b—‘HH
`
`Ut-P'aJNF-‘O
`
`16
`
`17
`18
`19
`
`20
`
`Own Group Address
`Individual Base Ident
`
`Group Base Ident
`Two or Three Digit Individual Calls
`Two or Three Digit Group Calls
`Highest Permitted Own Fleet Individual Idem
`Highest Permitted Own Fleet Group Ident
`Single Digit Number Destination
`Look-up Table for 5-digit Inter-fleet Calls
`*0% and *Onn# Immediate Address
`*9# Immediate Address
`*2 Immediate Access
`
`Inter Fleet Group Calls Barred
`Channel No for Fall-back
`
`Value of NDD in SYS code for
`Fall-back Service
`
`SIL System Indicator Locator
`sub-field length
`*" Abbreviated Dialling Maximum Limit
`Disable FOACSU
`
`CLIM- Network personalisation data;
`maximum call duration for a
`
`non-emergency call
`
`CLIME- network personalisation data;
`maximum call duration for an
`
`emergency call
`
`6.3.2
`
`Data Programmed Into Some Radio Units
`
`The following data may require to be programmed into certain radio units, dependent upon
`the facilities offered by the radio unit manufacturer. The source ofthis data is not specified.
`
`Parameter
`
`Item SizeIRange
`of values
`
`Range 3 to 9 bits in
`steps or” 1
`8 bits
`
`Flag
`10 secs to 4 mins 14 secs
`
`in 1 sec steps, or 5 mins to
`13 mins in l min steps,
`or inhibited
`10 secs to 4 mins 14 secs
`
`1
`
`in 1 sec steps, or 5 mins to
`13 mins in l min steps.
`or inhibited
`
`6-3
`
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`

`

`
`
`
`
`6.4
`
`Fixed Parameters
`
`The following radio unit parameters are fixed and networks must take these into account.
`
`1
`2
`3
`4
`5
`
`6
`7
`
`8
`9
`10
`
`11
`12
`
`6.5
`
`NDl
`ND'Z
`NE
`N1
`NR
`
`- No of disconnect messages sent by called radio unit
`- No of disconnect messages sent by calling radio unit
`- Max no of random access transmissions of RQE
`- Max no of include request access attempts
`- Max no of random access transmissions
`
`of RQS, RQD, RQX, RQT, RQR or RQQ
`NW - Response delay (in frames)
`TB
`- Time barred from calling same ident after
`ACK/ACKX/ACKV or any idea: after ACKT/ACKB
`— Value of TS in fall-back mode
`- Include timer
`- Max interval between periodic messages to be assumed
`at switch-on or equivalent
`- Value of TC in fall-back mode
`- Call set-up - Data Keyline delay
`
`TF
`TI
`TP
`
`TX
`TR
`
`Network Customisation
`
`Value
`
`3
`5
`16
`4
`
`8
`5
`
`2 s
`180 s
`2 s
`
`5 s
`180 s
`500 ms
`
`The previous sections have detailed the requirements and limits for the variables specified
`in MPT 1343. A network operator is free to design his network with particular functions (eg
`time shared control channels, fall-back, full-off—air—call-set-up etc) provided that the above
`requirements are complied with.
`
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`6-4
`
`

`

`7
`
`SECURITY
`
`Each radio unit stores a unique 38 bit security number which is programmed by the radio
`unit manufacturer and which can be accessed by the system. Various restrictions are
`irnistet:I on radio unit manufacturers towards safeguarding the integrity of this number (see
`MPT 1343 sectiOn 7).
`
`There is no requirement on the system to read or check the security number ofa mobile, but
`performing the check on security number will reduce or discourage abuse and fraud in the
`following areas:
`
`LA-FthMH
`
`Theft of radio units;
`
`Cloning of radio units;
`Use of unapproved equipment;
`Fraud by modification of identity;
`Denial of responsibility to pay a bill for use of the system.
`
`There are a number of steps that may be taken by a system once a security number has been
`read from a radio unit:
`
`1
`
`Ix.)
`
`3
`
`Check the security number against a whitelist of numbers permitted to use the system,
`checking that the individual user identity matches that expected.
`(In practice, the
`security number would be stored in a location determined by the individual user
`identity, along with billing information if applicable.)
`
`Check the security number against as blacklist of known "rogue" radio units (alone,
`this is less useful than (1) above). A blacklist may be useful to help locate stolen
`mobiles.
`
`The system may check the integrity of the 8 check bits (see below) within the security
`number. This does not need storage of lists, and may be useful initially and on
`systems with limited processing or storage capability.
`
`The format of the security number is as follows:
`
`Manufacturer's
`Code
`
`Model
`
`Serial number
`for: this model
`
`Check Bit-.5
`
`3 bits
`
`4 bits
`
`18 bits
`
`8 bits
`
`The system may request a radio unit to transmit its security number using an AHYC message
`(see MPT 1327 Sections 5.5.3.2.8, 9.1.1 and 15). The radio unit responds with the security
`number in a SAMIS message (see MPT 1327 Section 5.6.1.22). The parameter fields of
`the SAMIS message are constructed as follows:
`
`7-]
`
`-----------
`
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`
`

`

`PARAMETERS 1
`
`(20 bits)
`
`PARAMETERS 2 (19 bits)
`
`Manufacturer's
`Code
`
`Model
`
`Check bits
`
`Serial number
`for this model
`
`8 bits
`
`4 bits
`
`8 bits
`
`18 bits
`
`Manufacturer's code:
`
`An 8 bit number (0 to 255), one or more of which is issued to
`each radio unit manufacturer by the licensing body (ie the
`Radiocommunications Agency in the UK).
`
`Model:
`
`Serial number (for
`this model):
`
`Check bits:
`
`A 4 bit number (0 to 15) which is unique to a radio unit type
`for a given manufacturer‘s code.
`The model number is
`allocated by the manufacturer as and when new radio unit
`models are to be type approved.
`In the event of a radio unit
`manufacturer producing more than 16 type approved models,
`the manufacturer may apply for an additional manufacturer's
`code.
`
`The serial number of the radio unit of a given model.This model
`number is allocated by the manufacturer, and would normally
`run from 1 up towards 262143. Where this capacity is
`exceeded,
`the radio unit manufacturer may allocate an
`additional model number to radio units of the same type
`
`approval type.
`
`The algorithm for calculating the check bits is based on the
`data contained in the other fields above. The algorithm used
`in the UK is available from the DTI to manufacturers and
`network operators.
`If the check bits are incorrect in a radio
`unit, a network may refuse access to that radio unit. The
`algorithm will not be present in the radio unit.
`
`I
`
`|
`
`I
`
`Manufacturer‘s codes and the security algorithm can be obtained by writing to the following
`address:
`
`Mobile Technology Section
`Radiocommunications Agency
`Room 514
`
`Waterloo Bridge House
`London
`SE1 SUA
`
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`7—2
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`
`O
`
`
`
`

`

`8
`
`8.1
`
`NUMBERING CONVENTION
`
`Introduction
`
`The primary objective of the numbering convention is to provide a means of dialling short
`number strings on radio units for in-fleet calls by reference to common base identities and
`group identities to fleets therefore each need blocks of contiguous identities. The lowest
`identity in each block (the base ident) has an even value.
`the blocks of individual and group
`identities for one fleet both operate within a common prefix. Networks shall conform to this
`convention.
`
`Radio units numbers which are dialled by the radio unit user are translated, in the radio unit,
`into unit addresses by means of algorithms which use the dialled number and the base ident
`or the Iatter’s allegory, the fleet number (%%8.2.3.1%%).
`
`The network may restrict the calls that the unit is permitted to make to identities within the
`fleet allocation or,
`in addition,
`to other parts of the addressing range. Conversely no
`restrictions need to be made to any unit which is allowed full access to all other units on the
`network or to units which have internal limitations on the number of identities which the unit
`
`can call. The network may also be connected to other communications networks and
`facilities such as:
`
`'
`
`- PABX networks
`
`— PSTN networks
`
`- Operator services
`
`traffic between radio units and these networks to meet user
`The network may restrict
`requirements in a similar manner to restrictions applied to inter-unit calls.
`
`The options described in this specification are not an exhaustive list. Other options may be
`incorporated into the system design as may be required by the network operator.
`
`8.2
`
`Network Options
`
`This network may maintain records of each fleet starting address and finishing address for
`both individual and group address blocks. This information may be made available to service
`providers for inclusion in the network personalisation data installed in each radio unit.
`
`8.2.1
`
`all t
`
`i.
`
`Inter-unit calls
`
`A unit address or a group address consists of a combination of any prefix (PFIX) with
`an identity (IDENT) in the range 1 to 8100. The use of other aduresses is specified
`in MPT 1327, Section 4 and in sub-sections iv and v below.
`
`The network may restrict the acceptance of call set-up requests from any unit to pre-
`arranged parts of the addressing range.
`
`8—1
`
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`

`Outgoing PABX calls
`ii.
`Random access requests (RQn) with EXT = ‘ 1‘ may be accepted from radio units for
`calls to a PABX.
`Such call requests will contain an offset telephone extension
`number in IDENTI with additional routing in FLAGI and FLA02 (!!5.5.3.l.1!!).
`
`For received IDENT] = O to 7999 the network shall recover the original dialled
`number by adding 1000 (base 10)
`to the received lDENTl, and shall offer the
`recovered number to the selected PABX (% %8.2.5 % %). Leading digits in the dialled
`string may be discarded by the network if the connected PABX has less than four
`digits in its numbering scheme.
`
`The candidate PABX (one of four maximum) shall be selected by reference to the
`calling party identity and the setting of FLAGl and FLAGZ. PABXs are selected
`according to the table:
`
`Candidate
`
`PABX
`l
`2
`
`3
`4
`
`FLAGl
`0
`0
`
`1
`1
`
`FLAG2
`0
`1
`
`0
`1
`
`If the radio unit sends IDENT] = 8000 the network may select the PABX defined
`by FLAGl and FLAGZ, as defined above, and set up a call to the PABX Operator
`(%%8.2.5.1, 8.2.5.2%%). 1Values of IDENTI = 8001 to 8191 are available for
`customisation.
`
`The network may also accept random access requests (RQn) to PABXI (IDENT 8102)
`with EXT = '0’ from radio units for extended addressing calls to larger PABX
`networks. Such calls send all dialling information (including exchange routing digits)
`in a SAMIS on demand from the network (% %8.2.5.6% %). Connection shall be to
`the PABX network specified by the unit user.
`
`Outgoing PSTN calls
`iii.
`The network may accept random access requests (RQn except RQQ) from radio units
`for extended addressing calls via IDENT 8101 (PSTNGI). Such calls send full
`national or international numbers (less the leading zero) in a SAMIS plus optional
`data codewords on demand from the network.
`(%%8.2.6.2%%).
`
`The network may also accept random access requests (RQn) from radio units for short
`addressing calls via IDENTs 8121 to 8135 (PSTNSIj). Each IDENT for such calls
`is translated into a full national or international number by the network using data
`held by the network for each radio unit or fleet. Connection may be to any UK
`PSTN by arrangement with the relevant PSTN operator.
`(96968.18. 1 %%).
`
`The digit string sent to the PSTN for each call and the method of connection will be
`agreed with the chosen PSTN operator who may require the restoration of the leading
`zero of the dialled string.
`
`8-2
`
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`

`Special IDENTs 8136 to 8169
`iv.
`Special IDENTs 8136 to 8169 are spare for customisation.
`
`Operator Services
`v.
`The network may offer operator services to callers on receipt of special IDENTs 8170
`to 8180.
`It is recommended that 8170 is used for calls to a call assistance operator
`and 8180 to an emergency operator. With the exception of 8170, which is originated
`in the radio unit by the dialled string 100, and 8180, which is originated by the
`dialled string 999, the IDENTs 817x correspond to dialled strings 1x1 and the service
`which is offered is at the discretion of the network operator. eg:
`
`Radio Unit
`Dialled String
`
`Special
`[dent
`
`100
`111
`121
`
`131
`141
`151
`161
`171
`181
`
`191
`999
`
`8170
`8171
`8172
`
`8173
`8174
`8175
`8176
`8177
`8178
`
`8179
`8180
`
`8.3
`
`Call Diversion
`
`Numerical or addressing information which is received from the divertor as part of a
`diversion request for the divertor (RQT, DIV = ‘0', FLAG 2 = '0‘), ie the contents of
`IDENTI, or the accompanying numerical or addressing data received in response to an
`AHYfiC sent by the system if IDENTl = [PFIXL PABXI, or PSTNGI, may be stored against
`the divertor‘s address and sent as a response to any call request to that address.
`If the
`diversion address is a PSTN number or PSTNSIj and the caller has the number, or equivalent
`number, in store as a short form address, the appropriate PSTNSIj may be sent to the caller,
`otherwise the full PSTN number may be sent to the caller as the diverted call destination.
`
`8.3.1
`
`Third party diversions
`
`Numerical or addressing information which is received from the divertor as part of a
`diversion request on behalf of a third party (RQT, DIV = '0', FLAG 2 = '1'), ie the
`contents of IDENTI, or the accompanying numerical or addressing data received in response
`to an AHYC sent by the system if IDENTl = IPFIXI, PABXI, or PSTNGIj, may be stored
`against the address of the unit which is indicated by the calling unit upon the system sending
`an AHYC, IDENTI = DIVERTI, and sent as a response to any call request to that address.
`If the diversion address is a PSTN number or PSTNSI and the caller has the number, or
`equivalent number, in store as a short form address, the appropriate PSTNSIj may be sent
`to the caller, otherwise the full PSTN number may be sent to the caller as the diverted call
`
`8-3
`
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`

`destination.
`
`Call diversion requests from either self-interested parties or third parties may displace earlier
`requests set up by either method.
`
`8.3.2
`
`Qancel Diversion
`
`A cancel diversion request (RQT, DIV = ‘1‘, FLAG 2 = '0‘) cancels the diversion state for
`the unit whose address is PFIX/IDENTI, or the address data received in response to an
`AHYC sent by the system if IDENTI = IPFIXI.
`
`8.4
`
`§torage Rguirements
`
`The network may store the following data for each radio unit or fleet:
`
`1
`
`2
`
`3
`
`4
`
`5
`
`6
`
`7
`
`8
`
`Fleet base identity for individual calls (%%8.2.3.1%% I81);
`
`Fleet base identity for group calls (%%8.2.3.1%% GBI);
`
`Highest used identity for individual calls (or block size);
`
`Highest used identity for group calls (or block size);
`
`15 PSTN numbers
`Up to
`(%%8.2.8.l.1%%);
`
`for
`
`translation from PSTNSIj
`
`(8121
`
`to
`
`8135)
`
`Up to 34 network defined numbers or facilities for translation from spare IDENTs
`8136 to 8169 (%%8.2.8.l.1%%);
`
`Up to 11 sets of routing data for network operator services for translation from spare
`IDENTs 8170 to 8180 (%%8.2.7%%);
`
`The following storage requirements are requested for each call diversion interception:
`
`a.
`
`b.
`
`0.
`
`Diverted party address;
`
`Diversion destination;
`
`Divert SpeechIDivert Data flags.
`
`
`
`_————--————--——-———4
`
`8—4
`
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`

`9
`
`CONTROL CHANNEL OPERATION
`
`9.1
`
`‘
`
`gontrol Qhannel Availability
`
`The control channel is the medium which allows the population of radio units to communicate
`with the network control elements (the TSC of MPT 1327). when they are not assigned to
`traffic chann