MNP: How It Works!!

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amar

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Brief description of existing MNP process:

In the existing framework for porting of a mobile number:
Subscriber desirous of porting his number approaches Recipient Operator (new operator to whom the subscriber wish to move).

Before filling up of Port-in form, he goes through eligibility & other conditions and after completing the required verification process, submits Customer Application Form (CAF) to the Recipient Operator.

Subscriber generates Unique Porting Code by sending a SMS to the no. „1900‟ and fill it in the porting form. In case of J&K LSA, subscriber has to call „1900‟.

The Recipient Operator forwards the porting request of the subscriber with certain key details (Mobile number, Unique Porting Code, date of receipt of porting request) to the respective MNP service provider. The MNP service provider in turn forwards this request to the Donor Operator for clearance.

The Donor Operator verifies the porting request with respect to eligibility conditions and grounds for rejections, permitted under the MNP regulations and clears or rejects the porting request within the time stipulated in the regulations under intimation to the MNP service provider.

In case the porting request has been cleared by the Donor Operator, the MNP service provider co-ordinates switchover by informing the date/time of switchover to both Donor and Recipient Operators and facilitates disconnection and connection of the number at the time of porting.

At the predefined time of porting, the Donor Operator disconnect the number and inform to MNPSP. Similarly the
Recipient Operator activates the number and informs the same to the MNPSP.

The MNPSP then broadcasts new Location Routing Number (LRN) to all the operators for the purpose of routing of all the future calls from the ported number.

Routing of calls in MNP scenario:

It may be noted that after implementation of MNP, routing of calls is carried out based on the Location Routing Number (which uniquely identifies a service provider‟s network) prefixed to the 10 digit mobile number. In the pre-MNP scenario routing of calls used to take place based on Mobile switching Codes.

When a call is to be made to a ported number, the calling party network first queries its number portability database to find the current LRN of the called party mobile number i.e in whose network the subscriber is presently available. Accordingly, on 6 the basis of LRN information, call is routed to the concerned service provider‟s network.

src: TRAI.
 
after porting to new operator how much time do we get to change the operator again if needed ?
 

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