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Mobile number portability (MNP) enables mobile telephone users to retain their mobile telephone numbers when changing from one mobile network operator toanother.

31 October 2010 is the day when mobile number portability (MNP) will be implemented in India, but there are several things about MNP that are not known to the public. Let us take a look at what it is all about.

General overview

MNP is implemented in different ways across the globe. The international and European standard is for a customer wishing to port his/her number to contact the new provider (Recipient) who will then arrange necessary process with the old provider (Donor). This is also known as ‘Recipient-Led’ porting. The UK is the only country to not implement a Recipient-Led system, where a customer wishing to port his/her number is required to contact the Donor to obtain a Porting Authorisation Code (PAC) which he/she then has to give to the Recipient. Once having received the PAC the Recipient continues the port process by contacting the Donor. This form of porting is also known as ‘Donor-Led’ and has been criticised by some industry analysts as being inefficient. It has also been observed that it may act as a customer deterrent as well as allowing the Donor an opportunity of ‘winning-back’ the customer. This might lead to distortion of competition, especially in the markets with new entrants that are yet to achieve scalability of operation.

Technical details

A significant technical aspect of MNP (Mobile Number Portability) is related to the routing of calls or mobile messages (SMS, MMS) to a number once it has been ported. There are various flavours of call routing implementation across the globe but the international and European best practice is via the use of a central database (CDB) of ported numbers. Network operator makes copies of CDB and queries it to find out which network to send a call to. This is also known as All Call Query (ACQ) and is highly efficient and scalable. Majority of the established and upcoming MNP systems across the world are based on this ACQ/CDB method of call routing. One of the very few countries to not use ACQ/CDB is the UK where calls to a number once it has been ported are still routed via the Donor network. This is also known as ‘Indirect Routing’ and is highly inefficient as it is wasteful of transmission and switching capacity. Because of its Donor dependent nature, Indirect Routing also means that if the Donor network develops a fault or goes out of business, the customers who have ported out of that network will lose incoming calls to their numbers. The UK telecoms regulator Ofcom completed its extended review of the UK MNP process on 29 November 2007 and mandated that ACQ/CDB be implemented for mobile to mobile ported calls by no later than 1 September 2009, and for all other (fixed and mobile) ported calls by no later than 31 December 2012.

Prior to March 2008 it took a minimum of 5 working days to port a number in the UK compared to 2 hours only in USA, as low as 20 minutes in the Republic of Ireland, 3 minutes in Australia and even a matter of seconds in New Zealand. On 17 July 2007, Ofcom released its conclusions from the review of UK MNP and mandated reduction of porting time to 2 working days with effect from 1 April 2008. On 29 November 2007, Ofcom completed its consultation on further reduction to porting time to 2 hours along with recipient led porting and mandated that near-instant (no more than 2 hours) recipient led porting be implemented by no later than 1 September 2009.

In a decentralised model of MNP, a FNR (Flexible Number Register) may be used to manage a database of ported out/ported in numbers for call routing.

Number Lookup Services

Service providers and carriers who route messages and voice calls to MNP-enabled countries might use HLR query services to find out the correct network of a mobile phone number. A number of such services exist, which query the operator’s home location register (HLR) over the SS7 signalling network in order to determine the current network of a specified mobile phone number prior to attempted routing of messaging or voice traffic.
All about MNP

MNP is the facility that lets a mobile phone subscriber retain his/her original mobile number even after moving from one service provider to another. This is implemented in two different ways around the world. Some countries have the subscriber wanting to port his/her number to contact the new provider, also called the Recipient first. The Recipient then has to work with the old provider known as the Donor to arrange for the smooth transfer of the number. This method is known as Recipient-led porting.

Another, though a less popular way, is to have the subscriber to contact the Donor to obtain a Porting Authorization Code (PAC), which he/she has to provide to the Recipient. The Recipient then has to contact the Donor to complete the porting process. This is known as Donor-led method, but is not popular because there is a chance that the Donor may lure a subscriber to retain his subscription, leading to distortion of competition.

In India, MNP has been elusive so far. It has been implemented the world over and we are one of the last countries left to implement MNP – even our neighbor Pakistan implemented MNP way back in March 2007.

But the Telecom Regulatory Authority of India (TRAI) has made clear that there won’t be any further delays and it will surely be implemented on November 1, 2010. To use MNP facility, the subscriber will have to pay a non-refundable fixed charge of Rs.19, while the dipping charge is left to mutual negotiation between the telecom service providers and the MNP service providers. The porting charge shall not exceed the per port transaction charge of Rs.19, according to TRAI directive.

In India, the Recipient-led porting procedure will be used. The porting process would involve a break in service when a number is detached from the donor and added to the recipient, which should not take more than two hours during which no mobile service will be available. After this, the recipient operator has to carry out subscriber verification according to guidelines for acquiring a new user, within five days of receiving a written request. Once verified, the request is forwarded to the donor, seeking its clearance. The donor then has to verify and get back to the recipient with details within two days. MNP is then implemented.

To be able to cope up with the enormous logistics involved, mobile number portability will be carried out by dividing the country into two zones for the purpose of security and reliability. The zones are as shown in the map.

Implications of MNP

The general opinion is that this is a good initiative, but is it really so? We need to consider a few things MNP will impact.

The first and foremost thing to note about MNP is that it will promote healthy competition. Mobile subscribers will no longer be faced with the dilemma whether they should shift to a better operator and lose their mobile number, or to stay dissatisfied with the current one and retain their number. They will now be empowered to go to any operator who they think will serve them better. Effectively, this will stimulate mobile operators to better their services to retain their subscriber base and prevent subscribers from looking towards greener pastures .

This is also like a double-edged sword. It can actually push established mobile operators towards the edge if people start moving towards a newer operator who has nothing to lose and is able to lure subscribers just because of good advertising, and no actual track record.

Postpaid mobile subscribers must have no outstanding bills on the date of application of porting. Prepaid users will lose their balance amount after number porting. Thus, you essentially start off with a clean slate, with the original number.

Though most do not know, the rule is that MNP is available within a telecom circle. This usually means a state. Therefore, you cannot retain your number if you shift from one state to another for change of residence due to your job. (Of course, you can retain your number the old way with expensive national roaming).

It will be impossible to easily ascertain the location of a number. Currently, the first few digits of a mobile number are enough to give you the location of the mobile number as well as its mobile operator. But with MNP in place, the number is not bound to any region or operator, making it very difficult to identify the physical location and telecom operator. Again, as noted in the last point, you can’t port number between circles, so as of now at least it would be possible to identify the circle to which a number belongs.

From experiences of mobile subscribers abroad, especially in the UK and New Zealand, the process of changing your mobile number may not exactly be a pleasant ride. Subscribers in these countries have had to endure a lot of hardships owing to MNP. They have had to run between Recipient and Donor operators, re-submitting applications and documents again and again, having to wait for a much longer period for the porting to take place even though it should happen within a stipulated number of days (due to the enormous logistics involved in the process), and also facing with an interim period of uncertainty when you are actually a customer of both operators, thus having to pay monthly rentals to each one of them.

Once having changed your operator retaining the same mobile number, the TRAI directive states that the subscriber has to remain with the new provider for a minimum lock-in period of 90 days before shifting to another provider using MNP. While this sounds fair enough from the operator’s point of view so that he gets a fair chance to prove himself , it may be a nightmare for the subscriber if this new operator is even worse than the previous one. However, if you have a quick second thought, you are given the liberty of withdrawing your porting request within 24 hours of the submission of the application. The porting charges will not be refunded.

If you use an iPhone locked to a certain network, then the chances are that you will not be able to use it with another network even though you can technically change your operator keeping the same number. In a similar manner, if you want to move from one technology to another, such as CDMA to GSM or vice versa, the handset won’t work due to incompatibility.

To summarize, considering all the pros and cons, mobile number portability is a good thing that is happening and is something that should have been implemented many years ago. As is the usual case with all new technological implementations, there will be hiccups with MNP too. But we surmise that the end result will be good, or at least let us hope for the best.

A new page will load giving you full, up to date instructions for porting your mobile phone number from one Indian mobile phone provider to another. The process is quick and simple and importantly to you, convenient. NOTE: Details are not yet available but we will have them here as soon as mobile number portability data is available!

http://www.mobilenumberporting.in/

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Comments on: "Mobile Number Portability (MNP)" (3)

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