1 Задание к работе:

Согласно варианта расшифровать протокол ISUP для стационарных сетей в формате протоколаISUP (для расшифровки используйте форматы 2 и 3 уровня, представленные в приложении 1)

Вариант 1

18:20:12.968 Port-1 D1-Net L1->L0

LI: L0_Raw_Message

L2: MTP (Whitebook)

1 . . . . . . . : Bwd indicator bit.……………….....01 Hex

. 0101011 :Bwd sequence num....……………...2b Hex

1 . . . . . . . : Fwd indicator bit...………………....01 Hex

. 0101000 :Fwd sequence num....……………....28 Hex

00 . . . . . . : Spare...............……………………..Ok

. . 001001 : Length Indicator.....………………..9 Dec

10 . . . . . . : Network Indicator..………………..National network

. . 00 . . . . : Spare................…………………….Ok

. . . . 0101 : Service Indicator...…………………ISDN User Part

******** : DPC..................……………………00-6-00-1

******** : OPC..................……………………00-0-08-1

0010 . . . . : SLS.................……………………..2 Dec

L3: ISUP (Whitebook)

00000010 : Circuit id.........……………………..02 Hex

0000 . . . . : Spare................…………………….Ok

. . . . 0000 : Circuit id (lower)...…………………00 Hex

00001001 : Message type.........……………….ANM-answer

00000000 : Pointer..............…………………..0 Dec

Вариант 2

MTP2: Q.7 03 White book

.1111100 Backward sequence number 124 Dec

-- Parameter Compatibility Information

00101101 Upgraded parameter Call History Information

-- Instruction indicators

0 Transit at intermediate Transit interpretation

0. Release call Ind Don't release call

0.. Send notification Ind Don't send notification

. . . .0. . . Discard message Don't discard message

. . .0. . . . Discard parameter Don't discard parameter

.10 Pass on not possible ind Discard parameter

1 Extension Last octet

20 00000000 Optional parameter End Of Optional Parameters

Вариант 3

МТР2: Q.703 White book

.0101100 Backward sequence number 44 Dec

.00 Coding standard CCITT standardized coding

1 Extension Last octet

.0010000 Cause value Normal call clearing

1 Extension Last octet

Вариант 4

00000001 : Message type........………………………….IAM-Initial address

--Nature of connection ind

000 . . . . . : Spare..............……………………………...00 Hex

. . . 0 . . . . : Echo control device………………………..Not included

. . . . 00 . . : Continuity check..………………………....Not required

. . . . . . 00 : Satellite.........……………………………....None in the connection

--Forward call inds

01 . . . . . . : ISUP preference..………………………....Not required all the way

. . 1 . . . . . : ISUP part…………………………............Used all the way

. . . 0 . . . . : ETE info.........…………………………....None avail

. . . . 0 . . . : Interworking....………………………......None encountered

. . . . . 00 . : ETE method........………………………...No ETE avail

. . . . . . . 0 : Call type.........…………………………….National

0000 . . . . : Reserved (nad use)……………………..…00 Hex

. . . . 0 . . . : Spare............……………………………...00 Hex

. . . . . 00 . : SCCP method......………………………...No indication

. . . . . . . 0 : ISDN access........………………………..Originating access non-ISDN

--Calling party cat

00001010 : Category..........…………………………..Original calling subscriber

--Tx medium requirement

00000011 :Tx medium.........………………………..3.1 kHz audio

00000010 : Pointer..........…………………………....2 Dec

00001001 : Pointer...........…………………………..9 Dec

--Called party nr

00000111 : Length..............………………………...7 De

0 . . . . . . . : Odd/Even ind......……………………...Even

. 0000011 : Nature of addrind...……………………National (significant) nr

1 . . . . . . . : INN ind.............………………………..Routing to INN not allowed

. 001 . . . . : Numbering plan.......…………………..ISDN (telephony)

. . . . 0000 : Spare.............……………………….....Ok

******** : Address signal.......…………………….0957491157

00001010 : Optional para.......……………………..Calling party number

--Call party number

00000101 : Length..............………………………..5 Dec

0 . . . . . . . : Odd/Even ind.........……………………Even

. 0000011 : Nature of addr.......…………………….National (significant) nr

0 . . . . . . . : NI indicator.........……………………...Nr complete

. 001 . . . . : Numbering plan.......…………………..ISDN (telephony)

. . . . 00 . . : Presentation.........……………………..Allowed

. . . . . . 11 : Screening..........…………………….....Net provided

******** : Address signal.......……………………458002

00000000 : Optional para......……………………...End

Вариант 5

1 . . . . . . . : Bwd indicator bit…………………....01 Hex

. 0101011 :Bwd sequence num...………………..2b Hex

1 . . . . . . . : Fwd indicator bit..…………………..01 Hex

. 0100111 :Fwd sequence num....…………….…27 Hex

00 . . . . . . : Spare..............……………………….Ok

. . 011011 : Length Indicator....…………………11 Dec

10 . . . . . . : Network Indicator...………………...National network

. . 00 . . . . : Spare............……………………......Ok

. . . . 0101 : Service Indicator.…………………...ISDN User Part

******** : DPC...............……………………….00-6-00-1

******** : OPC.................……………………..00-0-08-1

0010 . . . . : SLS................……………………….2 Dec

00000010 : Circuit id.........……………………....02 Hex

0000 . . . . : Spare..............…………………….....Ok

. . . . 0000 : Circuit id (lower)...………………….00 Hex

00000110 : Message type.........…………………ACM-Address complete

--Backward call inds

00 . . . . . . : ETE method.…………………..........No ETE avail

. . 01 . . . . : Сalled party cat.....………………… Ordinary subscriber

. . . . 01 . . : Called party status…………………..Subscriber free

. . . . . . 10 : Charge ind...........…………………...Charge

00 . . . . . . : SCCP method avail....………………No indication

. . 0 . . . . . : Echo control device..……………….Not included

. . . 0 . . . . : ISDN access..........…………………Terminating access non-ISDN

. . . . 0 . . . : Holding..............……………………Not requested

. . . . . 1 . . : ISDN User Part.......…………………ISUP all the way

. . . . . . 0 . : ETE info.............…………………...None avail

. . . . . . . 0 : Interworking........…………………..None encountered

00000000 : Pointer............…………………......0 Dec

Вариант 6

Initial Address

Nature of Connection Indicator (NoCi): 00

- - - - - - 0 0 Satellite Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .No satellite circuit the connection

- - - - 0 0 - - Continuity Check Indicator. . . . . . . . . . . . . . . . . . . . . . . . . .Continuity check not

required

- - - 0 - - - - Echo Control Device Indicator . . . . . . . . . . . . . . . . . . . . . . Outgoing half echo control device not included

0 0 0 - - - - - Spare

Forward Call Indicator (FCi): 0060

- - - - - - - 0 National / International Indicator. . . . . . . . . . . . . . . . . . . . .Call to be treated as a

national call

- - - - - 0 0 - End-to-End Method Indicator . . . . . . . . . . . . . . . . . . . . .. .No end-to-end method

available ( only link-by-link method available)

- - - - 0 - - - Interworking Indicator. . . . . . . . . . . . . . . . . . . . . . . . . . . . .No interworking

encountered (No. 7 signal ling all the way)

- - - 0 - - - - End-to-End Information Indicator . . . . . . . . . . . . . . . . . . . . .No end-to-end

information available

- - 1 - - - - - ISDN-UP Indicator. . . . . . . . . . . . . . . . . . . . . . . . . . . . .ISDN-UP used all the way

0 1 - - - - - - ISDN-UP Preference Indicator. . . . . . . . . . . . . . . . . . .ISDN-UP not required all

the way

- - - - - - - 0 ISDN Access Indicator . . . . . . . . . . . . . . . . . . . . . . . . . .Originating access non-

ISDN

0000 0 - - - Spare

Calling Party Category (CgPC) : 0A

0000 1010 Calling Party Category. . . . . . . . . . . . . . . . . . . . . . . . . . . . Ordinary calling subscriber

Transmission Medium Requirement (TMR) : 03

0000 0011 TMR. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3,1 kHz audio

Mandatory Variable Parameters

===================== =

Position :02

Length :08

ID= 04 , Called Party Number

--------------------------------------

Called Party Number (CdPA) :83

-000 0011 Nature of Address Indicator. . . . . . . . . . . . . . . . . . . . . . . . . . National (significant)

number

1- - - - - - - Odd/Even Indicator (O/E) . . . . . . . . . . . . . . . . . . . . . . . . . . .Odd number of address

signals

Called Party Number (CdPA) :90

- - - - 0000 Spare

- 001 - - - - Numbering Plan Indicator . . . . . . . . . . . . . . . . . . . . . . . . . ISDN(Telephony)

numbering plan (E. 164/ E.163)

1 - - - - - - -Internal Network Number Indicator (INNi). . . . .. . . . . . . . Routing to internal

network number not allowed

Called Party Number (CdPA) :24

- - - - 0100 Address Signal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digit 4

0010 - - - - Address Signal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digit 2

Called Party Number (CdPA) :21

- - - - 0001 Address Signal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digit 1

0010 - - - - Address Signal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digit 2

Called Party Number (CdPA) :03

- - - - 0011 Address Signal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digit 3

0000 - - - - Address Signal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digit 0

Called Party Number (CdPA) :38

- - - - 1000 Address Signal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digit 8

0011 - - - - Address Signal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digit 3

Called Party Number (CdPA) :98

- - - - 1000 Address Signal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digit 8

1001 - - - - Address Signal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digit 9

Called Party Number (CdPA) :0F

- - - - 1111 Address Signal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ST

0000 - - - - Address Signal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digit 0

Optional variable Parameter

================= ==

ID = 31 , Propagation Delay Counter

---------------------------------------------

Length

Propagation Delay Counter (ProDeC): 0000

BIT 1-16 = Propagation Delay Value (ms)

ID = 0A , Calling Party Number

--------------------------------------

Length : 06

Calling Party Number (CgPN) : 03

- 000 0011 Nature of Address Indicator . . . . . . . . . . . . . . . . . . . . . . .National (significant)

number

0 - - - - - - - Odd/Even Indicator (O/E) . . . . . . . . . . . . . . . . . . . . . . .Even number of address

signals

Calling Party Number (CgPN) :13

- - - - - - 11 Screening Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . Network provided

- - - - 00 - - Address Presentation Restricted Indicator . . . . . . . . . . . Presentation

allowed

-001 - - - - Numbering Plan Indicator. . . . . . . . . . . . . . . . . . . . . . . . .ISDN (Telefony)

numbering plan (E.164/E.163)

0- - - - - - - Calling Party Address Incomplete Indicator (CgPAIn.i) . . . . . . . . . . . . . . .

complete

Calling Party Number (cGpn) :34

- - - - 0100 Address Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Digit 4

0011 - - - - Address Signal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digit 3

Calling Party Number (cGpn) :00

- - - - 0000 Address Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Digit 0

0000 - - - - Address Signal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digit 0

Calling Party Number (cGpn) :42

- - - - 0010 Address Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Digit 2

0100 - - - - Address Signal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digit 4

Calling Party Number (cGpn) :72

- - - - 0010 Address Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Digit 2

0111 - - - - Address Signal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digit 7

END OF Optional variable Parameter

Вариант 7

Трейс IAM

MTP2: Q.703 Whitebook

*0011010 Backward sequence number 26 Dec

1******* Backward indicator bit 1 Dec

*0010111 Forward sequence number 23 Dec

1******* Forward indicator bit 1 Dec

**101010 Length indicator 42 Dec

00****** Spare Spare

MTP3: Russian specifications

****0101 Service indicator ISDN User Part

**00**** Spare 0 Dec

11****** Network Indicator Local or zone network

***bl4 ** Destination point code 15360 Dec

***bl4 ** Originating point code 1 Dec

1011**** Signaling link selection 11 Dec

ISUP-R-2000: Russian specifications

***bl2 ** Circuit identification code 1355 Dec

0000**** Spare 0 Dec

00000001 Message Type INITIAL ADDRESS IAM

--- Nature of connection indicators

*******0 Satellite ind No satellite indicator

****000* Continuity check ind Not required

***0**** Echo control devices Not included

000**** Spare 0 Dec

--- Forward call indicators

*******0 National/International Irid National call

*****00* End-to-end method ind No method available

****0*** Interworking ind Not encountered

***0**** End-to-end info ind Not available

**1***** ISDN user part ind Used all the way

00****** ISUP preference ind Preferred all the way

*******1 ISDN accessind Originating access ISDN

*****00* SCCP method ind No indication

00000*** Spare 0 Dec

--- Calling Party’s Category

00001010 Category Ordinary calling sub.cat. 1

--- Transmission medium requirement

00000011 Transmission medium req 3.1 kHz audio

00000010 Pointer 2 Dec

00001000 Pointer 8 Dec

00000110 Length 6 Dec

--- Called Party Number

*0000001 Nature of address ind Subscriber number

0******* Odd/even ind Even

****0000 Spare 0 Dec

*001**** Numbering plan ind ISDN (Telephony)

1******* Internal network number ind Routing not allowed

***B4*** Address signal 9238600F

00001010 Optional parameter Calling Party Number

00000110 Length 6 Dec

--- Calling Party Number

*0000001 Nature of address ind Subscriber number

1******* Odd/even Odd

******00 Screeningind Reserved for national use

****00** Presentation restricted ind Presentation allowed

*001**** Numbering plan ind ISDN (Telephony)

0******* Calling PN incomplete ind Complete

***b28** Address signal 7457123

0000**** Filler 0 Hex

00000011 Optional parameter Access Transport

00000100 Length 4 Dec

--- Access Transport

***B4*** Information elements 1E 02 85 93

00011101 Optional parameter User Service Information

00000011 Length 4 Dec

--- User Service Info

***10000 Info transfer capability 3.1 kHz audio

*00***** Coding standard CCITT standardized coding

1******* Extension Last octet

***10000 Information transfer rate 64kbit/s

*00***** Transfer mode Circuit mode

1******* Extension Last octet

***00011 User info layer’s 1 protocol Rec. G.711 A-law

*01***** Layer ID Layer 1

1******* Extension Last octet

00000000 Optional parameter End of Optional parameters

Вариант 8

Трейс АСМ

MTP2: Q.703 Whitebook

*1111100 Backward sequence number 124 Dec

0******* Backward indicator bit 0 Dec

*0110000 Forward sequence number 49 Dec

1******* Forward indicator bit 1 Dec

**001011 Length indicator 18 Dec

00****** Spare Spare

MTP3: Russian specifications

****0101 Service indicator ISDN User Part

**00**** Spare 0 Dec

11****** Network Indicator Local or zone network

***bl4 ** Destination point code 1 Dec

***bl4 ** Originating point code 15360 Dec

1010**** Signaling link selection 10 Dec

ISUP-R-2000: Russian specifications

***bl2 ** Circuit identification code 1514 Dec

0000**** Spare 0 Dec

00000110 Message Type ADDRESS COMPLETE

--- Backward Call Indicators

******00 Charge ind No indication

****00** Called party s status ind No indication

**00**** Called party s category ind No indication

00****** End-to-end method ind No method available

*******1 Interworking ind Encountered

******0* End-to-end info ind Not available

*****0** ISDN user part ind Not used all the way

****0*** Holding ind Not requested

***0**** ISDN access ind Terminating access non-ISDN

**0***** Echo control device Not included

00****** SCCP method ind No indication

00000000 Pointer 0 Dec

Вариант 9

2.1.3 Трейс ANM

MTP2: Q.703 Whitebook

*1111100 Backward sequence number 124 Dec

0******* Backward indicator bit 0 Dec

*0110000 Forward sequence number 48 Dec

1******* Forward indicator bit 1 Dec

**010010 Length indicator 18 Dec

00****** Spare Spare

MTP3: Russian specifications

****0101 Service indicator ISDN User Part

**00**** Spare 0 Dec

11****** Network Indicator Local or zone network

***bl4 ** Destination point code 1 Dec

***bl4 ** Originating point code 15360 Dec

1110**** Signaling link selection 14 Dec

ISUP-R-2000: Russian specifications, 2001

***bl2 ** Circuit identification code 1134 Dec

0000**** Spare 0 Dec

00001001 Message Type ANSWER

00000001 Pointer 1 Dec

00101101 Optional parameter Call History Information

00000010 Length 2 Dec

--- Call History Information

***b16** Propagation delay value 0 Dec

00111001 Optional parameter Param Compatibility Info

00000010 Length 2 Dec

--- Parameter Compatibility Information

00101101 Upgraded parameter Call History Information

--- Instruction indicators

*******0 Transit at intermediate Transit interpretation

******0* Release call Ind Don’t release call

*****0** Send notification Ind Don’t send notification

****0*** Discard message Don’t discard message

***0**** Discard parameter Don’t discard parameter

*10***** Pass on not possible Ind Discard parameter

1******* Extension Last octet

Вариант 10

Трейс RЕL

MTP2: Q.703 White book

*0101100 Backward sequence number 44 Dec

1******* Backward indicator bit 1 Dec

*1111100 Forward sequence number 124 Dec

0******* Forward indicator bit 0 Dec

**001101 Length indicator 13 Dec

00****** Spare Spare

MTP3: Russian specifications

****0101 Service indicator ISDN User Part

**00**** Spare 0 Dec

11****** Network Indicator Local or zone network

***bl4 ** Destination point code 15360 Dec

***bl4 ** Originating point code 1 Dec

1110**** Signaling link selection 14 Dec

ISUP-R-2000: Russian specifications

***bl2 ** Circuit identification code 1886 Dec

0000**** Spare 0 Dec

00001100 Message Type RELEASE

00000010 Pointer 2 Dec

00000011 Pointer 0 Dec

00000011 Length 2 Dec

--- Cause indicators

****0000 Upgraded parameter User

***0**** Spare 0 Dec

*00***** Coding standard CCITT standardized coding

1******* Extension Last octet

*0010000 Discard message Normal call clearing

1******* Extension Lastoctet

Методические указания для выполнения задания 1

Сигнальные сообщения расшифровываются согласно форматов второго и третьего уровня. Форматы представлены в приложении – графический материал (сигнализация DSS.1).

Рассмотрим пример расшифровки сообщения: SETUP (запрос связи) формате второго и третьего уровня

SETUP, Calling # 23974, Called # 14600

Layer 2 - Data Link Layer

Address field

00.......0EA0

......0.C/R = COMMAND

000000..SAPI = 0 Call control procedures

CB.......1EA1

1100101.TEI = 101 Automatic assignment

Control field