phân tích các bản tin ccs7-tram duc huy

7/30/2019 Phn tch cc bn tin CCS7-Tram Duc Huy

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Phn tch bn tin C7

Phn tch cc bn tin CCS7

1. Thu bao A gi thu bao B Thu bao B nhc my ni chuyn bnh thng Thu bao Bgc my trc

Phn tch kt qu t file : 88000 CALL 70000 - Normal.doc

Tram Duc Huy Trang 1

EWSD SDE

Trunk GroupThoi :C7SDEB

Trunk Group bohiu :C7SDEB

Signaling linkA : 8000

B : 70000

EWSD SDE

IAM

SAM

SAM

SAMSAM

ACM Thu bao Brung chung

Thu bao Anhn him chung

Thu bao Bnhc my

Thu bao Anhc my vquay s

Hai bn tinhnh m thoi

ANM

RELThu bao Agc my

SDE gi RLC gii phngng truyn

RLC
http://var/www/apps/conversion/tmp/scratch_5/TB%20goi%20ra%20ngoai%20qua%20C7%20-%20Normal-DINO=overlap/88000%20CALL%2070000%20-%20Normal.EXThttp://var/www/apps/conversion/tmp/scratch_5/TB%20goi%20ra%20ngoai%20qua%20C7%20-%20Normal-DINO=overlap/88000%20CALL%2070000%20-%20Normal.EXT


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Phn tch bn tin C7

Trong , ni dung chi tit ca cc bn tin nh sau : (da trn chun ITU-T : Q0763E.doc)Mi bn tin s c mt loi code (MTC hay HC/MT ) : tra trong bng Table 4/Q.763. V trong bntin s c nhiu trng, mi trng c code c qui nh trong bng Table 5/Q.763 :Q0850E.DOCa. Bn tin IAM :

IAMH'04280000 85C80019 50150001 0060000A03 020503 819007 0AH'05831388 00003102 00003902 31C000

Gm 3 phn :

- Fixed mandatory part : 0060000A 03Nature of Connection Indicator (NoCi): 00 (3.35)---- --00 Satellite Indicator .................. No satellite circuit in the connection---- 00-- Continuity Check Indicator ........... Continuity check not required---0 ---- Echo Control Device Indicator ........ Outgoing half echo control device not included000- ---- Spare

Forward Call Indicator (FCi) : 0060 (6000 ly theo trng s cao s c l 0600)(3.23)

---- ---0 National/International Indicator ..... Call to be treated as a national call---- -00- 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 signalling all the

way)---0 ---- End-to-End Information Indicator ..... No end-to-end information available--1- ---- ISDN-UP Indicator .................... ISDN-UP used all the way01-- ---- ISDN-UP Preference Indicator ......... ISDN-UP not required all the way---- ---0 ISDN Access Indicator ................ Originating access non-ISDN0000 0--- Spare

Calling Party Category (CgPC) : 0A (3.11)0000 1010 Calling Party Category ............... Ordinary calling subscriber

Transmission Medium Requirement (TMR): 03 (3.54)0000 0011 TMR .................................. 3,1 kHz audio

- Mandatory Variable Part : 020503 819007Position : 02Length : 03ID = 04 , Called Party Number (Table 5/Q.763)-----------------------------Called Party Number (CdPA) : 81 (3.9)-000 0001 Nature of Address Indicator .......... Subscriber number

1--- ---- Odd/Even Indicator (O/E) ............. Odd number of address signalsCalled Party Number (CdPA) : 90 (3.9)---- 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

allowedCalled Party Number (CdPA) : 07 (3.9)---- 0111 Address Signal ....................... Digit 70000 ---- Address Signal ....................... Digit 0

http://var/www/apps/conversion/ITU%20Basic%20call/Q0763E.DOChttp://var/www/apps/conversion/ITU%20Basic%20call/Q0850E.DOChttp://var/www/apps/conversion/ITU%20Basic%20call/Q0763E.DOChttp://var/www/apps/conversion/ITU%20Basic%20call/Q0850E.DOC


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Phn tch bn tin C7

- Optional variable Parameter : 0A 05831388 00003102 00003902 31C000

ID = 0A , Calling Party Number (Table 5/Q.763)------------------------------Length : 05

Calling Party Number (CgPN) : 83 (3.10)-000 0011 Nature of Address Indicator .......... National (significant) number1--- ---- Odd/Even Indicator (O/E) ............. Odd number of address signals

Calling Party Number (CgPN) : 13 (3.10)---- --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) : 88 (3.10)---- 1000 Address Signal ....................... Digit 81000 ---- Address Signal ....................... Digit 8



ID = 31 , Propagation Delay Counter (Table 5/Q.763)-----------------------------------Length : 02 (3.42)Propagation Delay Counter (ProDeC): 0000BIT 1-16 = Propagation Delay Value (ms)

ID = 39 , Parameter Compatibility Information (Table 5/Q.763)---------------------------------------------Length : 02Parameter Compatibility Information (PCompI): C0310011 0001 upgraded parameter ................... 49'D---- ---0 Transit at Intermediate Exchange Indicator .. Transit interpretation---- --0- Release Call Indicator ............... Do not release call---- -0-- Send Notification Indicator .......... Do not send notification---- 0--- Discard Message Indicator ............ Do not discard message (pass on)---0 ---- Discard Parameter Indicator .......... Do not discard parameter (pass on)-10- ---- Pass on not possible indicator ....... Discard parameter1--- ---- Extension Indicator .................. last octet

END OF Optional variable Parameter

b. Bn tin SAM : EWSD gi lin tip 4 bn tin SAMSAM

H'04280000 85C80019 50150002 02000280 00- Mandatory Variable Parameters :



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Phn tch bn tin C7

Position : 02Length : 02ID = 05 ???? , Subsequent Number (Table 5/Q.763)---------------------------Subsequent Number (SubsA) : 80 (3.51)-000 0000 Spare

1--- ---- Odd/Even Indicator (O/E) ............. Odd number of address signalsSubsequent Number (SubsA) : 00 (3.51)---- 0000 Address Signal ....................... Digit 00000 ---- Address Signal ....................... Digit 0

c. Bn tin ACM :ACM

H'14021506 160400Backward Call Indicator (BCi) : 0416 (3.5)---- --10 Charge Indicator ..................... Charge---- 01-- Called Party's Status Indicator ...... Subscriber free

--01 ---- Called Party's Category Indicator .... Ordinary subscriber00-- ---- End-to-End Method Indicator .......... No end-to-end-method available (only link-to-linkmethod available)---- ---0 Interworking Indicator ............... No interworking encountered---- --0- End-to-End Information Indicator ..... No end-to-end information available---- -1-- ISDN-UP Indicator .................... ISDN-UP used all the way---- 0--- Holding Indicator (National Use) ..... Holding not requested---0 ---- ISDN Access Indicator ................ Terminating access non-ISDN--0- ---- Echo Control Device Indicator ........ Incoming half echo control device not included00-- ---- SCCP Method Indicator ................ No indication

d. Bn tin ANM :

ANMH'14021509 012D0200 0000

- Optional variable ParameterID = 2D , Call History Information----------------------------------Length : 02Call History Information (CaHI): 0000BIT 1-16 = Call History Value (ms)

END OF Optional variable Parameter

e. Bn tin REL : c gi t i EWSD sang SDERELH'04280000 85C80019 5015000C 02000280 90Tham kho tiu chun ITU-T trong file : Q0850E.doc

Mandatory Variable ParametersPosition : 02Length : 02ID = 12 , Cause Indicator (3.12)-------------------------



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Phn tch bn tin C7

Cause Indicator (Cause i) : 80---- 0000 Location ............................. user---0 ---- Spare-00- ---- Coding Standard ...................... CCITT standard1--- ---- Extension Indicator .................. last octet

Cause Indicator (Cause i) : 90

-001 0000 Cause Value .......................... Normal call clearing-001 ---- Cause Value Klasse ................... Normal Event1--- ---- Extension Indicator .................. last octet

f. Bn tin RLC : nhn c t i SDE gi sangRLC

H'14021510 00ORDER INFORMATION (INCOMING)----------------------------EVID = 55MTC = 10 , Release Complete

Nhn xt kt qu :- Sau khi phn tch bn tin C7, ta nhn thy qu trnh thit lp cuc gi gia 2 i ng theo tiu

chun ITU-T. V nguyn nhn gii phng cuc gi c ghi nhn trong bn tin REL (user).- S thu bao b gi c gi trong c 2 bn tin IAM v SAM : do ti EWSD ta khai bo thng

s DINO=OVERLAP/ROURTE. V trong bn tin IAM ch gi digit 7 v 4 bn tin SAM cnli gi ln lt 4 s 0 (Bit odd/even trong cc bn tin IAM/SAM qui nh s digit c gitrong bn tin ca n l l/chn). Cho nn, trong cc bn tin SAM gi s digit l nn ch gic mt digit

- Nu ta khng mun c bn tin SAM th MOD ROUTE : DINO=ENBLOC. Kt qu thc t :

( File : 8001CALLS770000-NORMAL.EXT)Lc ny trong bn tin IAM cha y s thu bao b gi (70000)

2. Thu bao B 70000 gi thu bao A 8000 - BusyFile : TB goi ra ngoai qua C7 - busy\70000 CALL 8000-busy.EXT

Mandatory Variable Parameters=============================Position : 02Length : 03ID = 12 , Cause Indicator

-------------------------Cause Indicator (Cause i) : 82---- 0010 Location ............................. public network serving the local user---0 ---- Spare-00- ---- Coding Standard ...................... CCITT standard1--- ---- Extension Indicator .................. last octet

Cause Indicator (Cause i) : 91-001 0001 Cause Value .......................... User busy-001 ---- Cause Value Klasse ................... Normal Event

http://var/www/apps/conversion/tmp/scratch_5/TB%20goi%20ra%20ngoai%20qua%20C7%20-%20Normal%20-%20DINO=ENBLOC/8001CALLS770000-NORMAL.EXThttp://var/www/apps/conversion/tmp/scratch_5/TB%20goi%20ra%20ngoai%20qua%20C7%20-%20busy/70000%20CALL%208000-busy.EXThttp://var/www/apps/conversion/tmp/scratch_5/TB%20goi%20ra%20ngoai%20qua%20C7%20-%20Normal%20-%20DINO=ENBLOC/8001CALLS770000-NORMAL.EXThttp://var/www/apps/conversion/tmp/scratch_5/TB%20goi%20ra%20ngoai%20qua%20C7%20-%20busy/70000%20CALL%208000-busy.EXT


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Phn tch bn tin C7

1--- ---- Extension Indicator .................. last octetDiagnostic : 01

3. Thu bao SDE gi vo thu bao A 8000 Thu bao 8001 ang b Blk=AdminFile : thue bao goi den thue bao bi block = admin\70000 CALL8000-blk=admin.EXT

HC/MT=H'0C RELH'04280000 85C80019 6016000C 02000282 9B

Position : 02Length : 02ID = 12 , Cause Indicator-------------------------Cause Indicator (Cause i) : 82---- 0010 Location ............................. public network serving the local user---0 ---- Spare-00- ---- Coding Standard ...................... CCITT standard1--- ---- Extension Indicator .................. last octet

Cause Indicator (Cause i) : 9B-001 1011 Cause Value .......................... Destination out of order

-001 ---- Cause Value Klasse ................... Normal Event1--- ---- Extension Indicator .................. last octet

4. Thu bao A gi qua SDE trn TGRP : GCOS=PROP5File : TB goi ra ngoai - GCOS=PROP5\8001 call 0770000 gcos=prop5.EXTTrong bn tin IAM:- s 0 u tin cng c gi sang i SDE- Trng Nature of Addr Indicator : Nation number

Mandatory Variable Parameters=============================

Position : 02Length : 06ID = 04 , Called Party Number-----------------------------Called Party Number (CdPA) : 03-000 0011 Nature of Address Indicator .......... National (significant) number0--- ---- Odd/Even Indicator (O/E) ............. Even 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

allowedCalled Party Number (CdPA) : 70---- 0000 Address Signal ....................... Digit 00111 ---- Address Signal ....................... Digit 7

Called Party Number (CdPA) : 07---- 0111 Address Signal ....................... Digit 70000 ---- Address Signal ....................... Digit 0

Called Party Number (CdPA) : 00---- 0000 Address Signal ....................... Digit 0

http://var/www/apps/conversion/tmp/scratch_5/thue%20bao%20goi%20den%20thue%20bao%20bi%20block%20=%20admin/70000%20CALL8000-blk=admin.EXThttp://var/www/apps/conversion/tmp/scratch_5/TB%20goi%20ra%20ngoai%20-%20GCOS=PROP5/8001%20call%200770000%20gcos=prop5.EXThttp://var/www/apps/conversion/tmp/scratch_5/thue%20bao%20goi%20den%20thue%20bao%20bi%20block%20=%20admin/70000%20CALL8000-blk=admin.EXThttp://var/www/apps/conversion/tmp/scratch_5/TB%20goi%20ra%20ngoai%20-%20GCOS=PROP5/8001%20call%200770000%20gcos=prop5.EXT


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Phn tch bn tin C7

0000 ---- Address Signal ....................... Digit 0Called Party Number (CdPA) : F0---- 0000 Address Signal ....................... Digit 01111 ---- Address Signal ....................... ST

5. Thu bao B 70000 gi A 8000 Reanswer :File : re-answer\70000 CALL 8000-REANSWER.EXTQu trnh din ra tng t, tuy nhin khi thu bao A gc my


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Phn tch bn tin C7

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

ORDER INFORMATION (OUTGOING)----------------------------EVID = 55

MTC = 0C , Release

Mandatory Variable Parameters=============================Position : 02Length : 02ID = 12 , Cause Indicator-------------------------Cause Indicator (Cause i) : 82---- 0010 Location ............................. public network serving the local user---0 ---- Spare-00- ---- Coding Standard ...................... CCITT standard1--- ---- Extension Indicator .................. last octet

Cause Indicator (Cause i) : 81-000 0001 Cause Value .......................... Unallocated (unassigned) number-000 ---- Cause Value Klasse ................... Normal Event1--- ---- Extension Indicator .................. last octet

7. Thu bao SDE gi vo mt s thu bao b thay i trong i EWSDFile : change DN\70000 CALL 8000,changed to 8001.EXT

00:00:620 O: JC1=H'01 JC2=H'85 SENT GP-A 13HC/MT=H'0C RELH'04280000 85C80019 8018000C 02000282 96

ORDER INFORMATION (OUTGOING)EVID = 55MTC = 0C , ReleaseMandatory Variable Parameters=============================Position : 02Length : 02ID = 12 , Cause Indicator

-------------------------Cause Indicator (Cause i) : 82---- 0010 Location ............................. public network serving the local user---0 ---- Spare-00- ---- Coding Standard ...................... CCITT standard1--- ---- Extension Indicator .................. last octet

Cause Indicator (Cause i) : 96-001 0110 Cause Value .......................... Number changed-001 ---- Cause Value Klasse ................... Normal Event

http://var/www/apps/conversion/tmp/scratch_5/change%20DN/70000%20CALL%208000,changed%20to%208001.EXThttp://var/www/apps/conversion/tmp/scratch_5/change%20DN/70000%20CALL%208000,changed%20to%208001.EXT


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Phn tch bn tin C7

1--- ---- Extension Indicator .................. last octet

8. Thu bao A gi thu bao B nhng TB-B khng nhc my V thu bao A gc my trcFile : Goi ko nhac may\88000 CALL 70000 - 70000 VAN CHUA NHAC MAY.EXT- Thu bao A gi thu bao B, i EWSD gi bn tin ACM. Trong qu trnh i ANM t SDE.

Thu bao A gc my, v EWSD gi REL sang SDE :

00:27:356 O: JC1=H'01 JC2=H'85 SENT GP-B 2HC/MT=H'0C RELH'04280000 85C80019 7017000C 02000280 90

ORDER INFORMATION (OUTGOING)EVID = 55MTC = 0C , ReleaseMandatory Variable ParametersPosition : 02Length : 02ID = 12 , Cause Indicator-------------------------

Cause Indicator (Cause i) : 80---- 0000 Location ............................. user---0 ---- Spare-00- ---- Coding Standard ...................... CCITT standard1--- ---- Extension Indicator .................. last octet

Cause Indicator (Cause i) : 90-001 0000 Cause Value .......................... Normal call clearing-001 ---- Cause Value Klasse ................... Normal Event1--- ---- Extension Indicator .................. last octet

Cause Value : Normal call clearing

9. Thu bao B gi thu bao A TB A khng nhc my SDE i ht thi gian timer t nggi REL :File : Goi ko nhac may\70000(sde) CALL 8000-8000 KHONG NHAC MAY .EXT

01:31:192 O: JC1=H'1A JC2=H'85 RECEIVED GP-A 5HC/MT=H'0C REL

H'1402080C 02000292 9FORDER INFORMATION (INCOMING)EVID = 55MTC = 0C , ReleaseMandatory Variable Parameters

Position : 02Length : 02ID = 12 , Cause Indicator-------------------------Cause Indicator (Cause i) : 92---- 0010 Location ............................. public network serving the local user---1 ---- Spare ................................ 1'D-00- ---- Coding Standard ...................... CCITT standard1--- ---- Extension Indicator .................. last octet

http://var/www/apps/conversion/tmp/scratch_5/Goi%20ko%20nhac%20may/88000%20CALL%2070000%20-%2070000%20VAN%20CHUA%20NHAC%20MAY.EXThttp://var/www/apps/conversion/tmp/scratch_5/Goi%20ko%20nhac%20may/70000(sde)%20CALL%208000-8000%20KHONG%20NHAC%20MAY%20.EXThttp://var/www/apps/conversion/tmp/scratch_5/Goi%20ko%20nhac%20may/88000%20CALL%2070000%20-%2070000%20VAN%20CHUA%20NHAC%20MAY.EXThttp://var/www/apps/conversion/tmp/scratch_5/Goi%20ko%20nhac%20may/70000(sde)%20CALL%208000-8000%20KHONG%20NHAC%20MAY%20.EXT


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Phn tch bn tin C7

Cause Indicator (Cause i) : 9F-001 1111 Cause Value .......................... Normal - unspecified-001 ---- Cause Value Klasse ................... Normal Event1--- ---- Extension Indicator .................. last octet


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