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MOBILE NUMBER PORTABILITY IN INDIA
– AN OVERVIEW

Prepared by

Learntelecom.com

Contents
1.

INTRODUCTION

2.

PROJECT BACKGROUND

3.

MNP PRINCIPLE IN INDIA

4.

HIGH LEVEL NETWORK ARCHITECTURE FOR MNP SOLUTION
4.1.

Central Side- MNPO (Mobile Number Portability Operator)

4.2.

Operator Side (Service Providers)

5.

MNP TERMINOLOGY

6.

PORTING PROCESS FLOW

7.

POST MNP VOICE CALL FLOW

8.

POST MNP SMS FLOW

9.

PROCEDURE TO SWITCH SERVICE PROVIDER IN INDIA

10.

Reference

www.learntelecom.com

List of Figures
Figure 1 HIGH LEVEL MNP ARCHITECTURE
Figure 2 END TO END PORTING PROCESS
Figure 3 End to End Call Flow for ported Number
Figure 4 POST MNP SMS FLOW FOR PORTED NUMBER

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Document Prepared by Shri
submitted to DoT for initiating the process for MNPO

1. INTRODUCTION
The much awaited MNP (Mobile Number Portability)
finally launched

on

20th Jan

2011 in India,

empowering mobile phone consumers to change
service

provider

conveniently.Mobile

Number

Portability (MNP) allows the mobile subscribers to
retain the existing mobile phone number when the
subscriber switches from one access service provider
(Operator)

to

another

irrespective

of

(Mobile Number Portability Operator). Subsequently,
the DoT issued guidelines for MNP service license on
1st August 2008. The DoT guidelines envisaged
geographical division of the country into the two
Number Portability Zones (Zone 1 – North West &
Zone 2 – South East), each consisting of 11 licensed
service area.

mobile

DoT issued the tender Document on 25th November

technology or from one technology to another of the

2008 for MNPO. Based on the selection parameters

same or any other access service provider, in a

set in the guidelines for MNP service license, one

licensed service area.

MNP service licensee in each zone was selected. M/s
Syniverse Technologies(I) Pvt. Ltd was granted

2. PROJECT BACKGROUND

license for operating in Zone-1 (North-West India) and

The projected was started long back in India. The first
mile stone came when The Telecom Regulatory
Authority of India (TRAI) issued draft Regulations to
facilitate

Mobile

implementation

Number
in

India

Portability
and

M/s MNP Interconnection Telecom Solutions (I) Pvt.
Ltd (Telcordia) was granted license for MNP Service
Zone-2 (North-East India).

(MNP)

Further, on 6th May 2009, DoT issued detailed

submitted

instructions to all Access Provider/NLD/ILD licensees

recommendations to DoT on 8th March 2006. The

regarding provisioning of MNP.

draft regulations lay down the business process for
On 25th Nov 2010, MNP has been implemented in

implementing mobile number portability.

Haryana as a pilot LSA to observe implication of MNP
The Department of Telecom (DoT) had accepted

on voice as well as non voice calls.

TRAI’s recommendations on 10th December 2007.
DoT had also accepted the suggestion of TRAI that a

Finally,

20th

January

2011,

Steering Committee be formed under the aegis of

MNP

has

been

implemented across the India.

TRAI, to deliberate upon various issues involved in the
implementation of MNP in the country. Accordingly,
the TRAI constituted a Steering Committee consisting
of representatives from TEC, Service Providers and
their Associations. Based on the report of the Steering
Committee and deccision of the Authority, a draft

3. MNP PRINCIPLE IN INDIA
Applicable only for Mobile Numbers
Number Portability is only applicable to Mobile
Numbers not for the Fixed/Land Line Numbers

“Request for Proposal” (RFP) was prepared and

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Applicable only in intra licensed area

ported in and ported out numbers. Originating network
performs MNPDB query for all originating calls and

A mobile subscriber can switch from one service

directly...
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