2. “ MOBILE NUMBER PORTABILITY “ means the facility which allows a subscriber of a mobile telephone server to retain his mobile telephone number when he moves from one mobile telephone service provider to another, irrespective of the mobile technology.

5. TERMINOLOGY "Donor Operator"- means a operator from whose network the subscriber is porting out. “Recipient Operator" – means an Operator who will be providing mobile service to the subscriber after porting Not Ported – Mobile Numbers belonging to BSNL. ( subscribers of 94 Series belonging to BSNL ) Port IN or Imported – Number ported into BSNL from another network. (98 series BSNL subs.) Ported Out – Number Ported out to another N/w from BSNL. (94 series subscriber of Operator ‘X’ )

6. TERMINOLOGY "Location Routing Number” means the code assigned to every Access Provider for the purpose of implementing Mobile Number Portability; These are 4 digit codes and have been assigned by DOT. They have been assigned LSA wise, Operator wise and technology wise BSNL has been allocated 42 codes in total – 21 for GSM and 21 for CDMA.

7. TERMINOLOGY “Example of allocated Location Routing Numbers”

8. There are basically 3 aspects to be taken care of by operators while implementing MNP :- i.Commercial – Provisioning of port in and De provisioning of Port Out subscribers. ii. Call Routing in MNP Scenario. iii.Charging / Billing of subscribers for their usage. Other aspects like strategies for preventing port out and promoting port IN customers are vital but not in the scope of this session.

9. The salient features of the final guidelines issued by TRAI MNP facility shall be available only within a given licensed service area. A subscriber holding a mobile number is eligible to make a porting request only after 90 days of the date of activation of his mobile connection. If a number is already ported once, the number can again be ported only after 90 days from the date of the previous porting Access Providers are required to implement All Call Query method. The Originating operator shall be responsible to route the call to correct terminating network. TRAI(Telecom Regulatory Authority Of India) said that service providers will be able to charge any amount less than or equal to Rs19.

13. MNP & MCHA ZONES MCHA Licensee for Zone 1 :- M/s. Syniverse Technologies (India) Private Limited. MCHA Licensee for Zone 2 :- M/s. MNP Interconnection Telecom Solutions India Pvt. Limited.

14. Zone 1 - STIPLZone – II - MITS DelhiKolkata MumbaiT.N including Chennai MaharashtraAndhra Pradesh GujaratKarnataka HaryanaKerala PunjabMadhya Pradesh RajasthanWest Bengal Uttar Pradesh (E)Assam Uttar Pradesh(W)Bihar Himachal PradeshNorth East Jammu & KashmirOrissa