e) INTERCONNECTION: refers to reciprocal services (but not necessary the same services) offered by two operators providing a public telephone service in order to allow all users to communicate freely amongst themselves, regardless of the communications networks to which they are connected or the telecommunications services they use; f) KPI: Key Performance Indicator g) LICENSE: is a document or instrument issued by the Regulatory Authority authorizing any person to provide service in the manner described in such document or instrument; h) LICENSEE: is any person or legal Entity holding an operating license to provide telecommunication services issued by the Regulatory Authority; i) MOC: is a mobile Originated Call; j) MOS-LQO:Opinion Score - Listening speech Quality Objective; k) MTC: Mobile Terminated Call; l) OMC: Operation and Maintenance Centre; m) PDP: Packet Data Protocol; n) PLMN: Public Land Mobile Network; o) POI:Point of Interconnection; p) POINT OF INTERCONNECTION: is a mutually agreed upon point of demarcation where the exchange of traffic between the networks of two service providers takes place; q) PS: Packet Switched; r) PSTN: Public Switched Telephone Network; s) PUBLIC SWITCHED TELEPHONE NETWORK : is a fixed specified switched public telephone network providing a two-way switched telecommunication services to the general public; t) PUBLIC LAND MOBILE NETWORK : is a network set up and operated by any of the licensed telecom operators, for the purpose of providing land based mobile communication services to the public and which provides communication facilities to subscribers using mobile stations; u) QUALITY OF SERVICE : is the main indicator of the performance of a telecommunication network and of the degree to which such network conforms to the standards of such quality of service as specified in these regulations for specified parameters; v) QOS: Quality of Service; Regulations for Quality of Service of Cellular Mobile and Fixed Networks Services (Voice, SMS and 3G Data) 4