in architecture over view

7/31/2019 in Architecture Over View

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LE

LE

SS

P

IP

SMP

SCP

LE

Regional Telecom Training CentreThiruvananthapuram


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Introduction

Basically Intelligent Network

provides additional services likeITC CARD

to the customers


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INTELLIGENT NETWORK OVERVIEW

FETURE HANDLING FUNCTIONALITY ISRESIDENT IN SWITCHES

NEW FEATURES IN THE NETWORK CAN BEINTRODUCED ONLY BY CHANGES IN ALLSWITCHESTIME CONSUMING

SOFTWARE CHANGES IN ALL EXCHANGESRISK OF MALFUNCTIONING

COSTLY


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Intelligent - WHY?

STD/ISD calls even from aSTD/ISD barred Telephone.

No charge for calling Number. Franchise your vote from your

telephone. Get advice of doctor / Share broker

etc. over phone


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Needs for IN

Rapid service deployment

Reduced deployment risk

Cost reduction

Services implementation independent

of call control and switchingequipment

3


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Definition in IN

Userpersons using the IN services , may be

charged for the calls or not.

Service SubscriberA person or an organisation that subscribe

to the service.


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Definition in IN

Service providerorganisation or entity that is providing

service to users on behalf of service

subscriber.

Network provider - Organisation orentity providing the network for INservices Implementation.


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LE

LE

LE SS7

N/W

PSTN / ISDN

SMP

DATABASE

IP

Remote OPR INTREFACE TREMINAL

WITH DIAL UP MODEMS

SCP

DATAB

ASE

X.25 OR

ETHERNET

SSP

IN ARCHITECTURE


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IN ARCHITECTURE

Local Exchange Analysis and Route data for IN Access Codes

Link to SSP can be SS7 or R2MF

Calls routed to SSP through voice path

Charge Free Services: 16XY

Unit charge Services: 19XY

High charge Services: 09XY


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IN ARCHITECTURE

Service Switching Point IN call control and service switching

interacts with SCP over C7 link only

Switching on advice from SCP

CDOT SBM with 200000 BHCA


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IN ARCHITECTURE

Service Control Point


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SERVICE MANAGEMENT POINT

Service creation, modification and testing.

Service logic from SMP to SCP.

Call statistics post processing.

SMP to SCP on x.25 links

Remote terminals from SSP to SMP thoughdialup modem with x.25 .

IN ARCHITECTURE


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IN ARCHITECTURE

INTELLIGENT PERIPHEARAL Provides voice interaction , speech

synthesising, announcement, Digit

collection etc.

Can be associated with one or more SSPs.

Stand alone IP is not a must.

IP can directly interact with SCP thoughCCS7 link also.


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IN CALL SETUP

User makes an IN call by a special access code(For e.g 1600)

The call is routed to SSP like normal speech call

SSP identifies the IN call

a query (CCS7 message) is triggered (sent ) toSCP

SCP searches its database and replies SSP withthe information asked for

SSP switch the call to the subscriber based onthe information from SCP


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IN CALL SETUP

Subscriber Disconnects (either party

release)

Release detected by SSP

SSP prepares the AMA for sending to billingcentre

SSP sends call related data to SCP

SCP transfers this information at periodicintervals to

SMP over X.25 links

SMP does post processing of call statistics


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Free Phone Service (FPH)

Virtual Private Network (VPN)

Indian Telephone Card (ITC)

Account Card Calling service (ACC)

Premium Rate Service (PRM)

Universal Access Number service (UAN)

Tele Voting


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IN services & Usage

Free Phone ServiceCalled party pays for the call

usage

1600 xx abcd1600 : Service code number

XX : SCP Code

(11 - MTNL, 33 and 44 allotted to BSNL )abcd : Individual subscriber number. -phone- local exch. -SSP-SCP-SSP-Network-

Called no.


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GANESAN/ALTTC

Free phone service

LE

SSP

SCP

NETWORK

1

2

3&84

5

6

IP

Calling Party Destination

7

Core Features

Reverse charging

TDR

CDR

ODR


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Premium Rate Service

PRM subscriber, PRM user

Medical advice, stock maker quotations, astrologicaladvice,etc.

user pays the bill on premium rate(multiplies over the normal call change).

Payment shared between PRM subscriber and networkprovider.

0900 xx abcd-detailed records of all PRM calls prepared at SCP


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Premium Rate Service

LE

SSP

SCP

NETWORK

1

2

3&8 4 & 6

7

7

IP


5

Core Feature

Premium Charging


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Televoting Service

televoting subscriber, televotinguser

- 1901 xx abcd yy- abcd televoting subscriber no.

- yy televoting no. choice digits


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Televoting Service

LE

SSP

SCP

1

2

3 4

5

IP

Calling Party

Core Feature

Mass Calling

6

n an e ep one ar


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n an e ep one arService

network operator, service provider,service subscriber, service user

service subscriber pays to serviceprovider


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ITC

1602 xx p1 aaaaaaaaaa p2 d1602 : Service code

xx : SCP code

P1 : Announcement(Please dial the Card number).

aaaaaaaaaa: ITCard number

P2 : Announcement

(Current Card limit & please dial

the Destination number)

d : Destination number


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Virtual Card Calling

LE

SSP

SCP

NETWORK

1

2

3&9 &13

4 &10

11

12IP


85

6

7

Core Feature

Authentication


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Account Card Calling

N/W operator, ServiceProvider,Service,Subscriber, ServiceUser

billing to ACC subscriber by serviceprovider

call charges debited from the account

card subscriber and does not refer tocalling or called subs.


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Account Card Calling

1604 xx p1 aaaaaaaa bbbb p2c p3 d1604 : Service code xx : SCP code P1 : Wait for announcement

(Dial card number)

aaaaaaaa : Eight digit card number

bbbb : PIN number

P2 : Wait for announcement (Dial your choice)

C : Choice 1- Dial the destination

2- Change the PIN

3 -Know the balance amountp3 : Three types of announcement are available at this stage. The

announcement is fed according to the choice dialed

d : Destination number.



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Universal Access Number (UAN)

- UAN Subscriber , UAN User

- national number and call routed to variousdestination based on geographical location ofthe caller, the time, the day or the date on

which the call is made- 1607 - yyyyyy yyyyyy - UAN no.

- 1608 - yyyyyy - ZZZZ - XXXXXXXXXX

- zzzz - auth.code xxxxxx - destinationno.s

ALTTC/SW-IV/SG/INOVW 30


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Universal Access Number

LE

SSP

SCP

NETWORK

1

2

3&94

11

12

IP


8

6&7

5

Core Features

Authorisation

ODR

ALTTC/SW-IV/SG/INOVW 31

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