Electronic and Postal Communications (Mobile Number Portability) G.N. No. 422 (contd) (b) (c) Number Porting Approach, Solution and Conditions monitoring; maintaining the national electronic communication numbering register for all carriers and operators in respect of resources which have been assigned; and introducing number portability in the country. 5.-(1) The number portability in the United Republic shall be implemented by means of a centralized clearinghouse approach and a direct routing using All Call Query (ACQ) solution. (2) The porting processes shall be designed around a ‘one-stop-shop’ concept, whereby the customer shall start the porting procedure by contacting the new operator or service provider and the proposed recipient operator shall be required to manage the process on behalf of the customer. (3) An active pre-paid and post-paid mobile customer shall be allowed to port his mobile telephone number to any service provider of his choice. (4) A licensee shall facilitate number portability when a subscriber is(a) changing the method of payment from prepaid to post paid services and vice versa; (b) changing from one mobile network technology to another; and (c) changing from one licensee to another. (5) Where a subscriber changes from one licensee to another after porting a number, the Authority shall grant the right to the recipient to use that subscriber number and the obligations related to it shall be transferred from donor to the recipient . (6) The order of dialling the ported subscriber number shall correspond to the procedure for dialling a non-ported telephone number. (7) A licensee shall provide tariff transparency in real time for ported numbers. 96