“global navigation sytem” means an arrangement of technical apparatus by means of which an end user can determine location parameters of latitude, longitude and altitude at any instant of time anywhere on the earth surface; “international call completion rate” means the minimum percentage of international telephone calls originating within a licensee's network completed per total of international call attempts measured during the peak traffic hour; “international telephone call” means an effective completed telephone call exchanged with telecommunications station outside the country which the calling telecommunications station situated; or a in is . “ITU” means the International Telecommunications Union; “leased line” means a telecommunications line that is made available to a subscriber for his exclusive use; “licensee” means the holder of a licence issued by the Commission under the Act or these Regulations; “line” means a transmission medium between terminal locations and includes associated repeaters; “local service provider” means a telecommunications licensee licenced to provide local basic telephone service excluding international and long distance services but include value added services in accordance with the relevant licence issued by the Commission; “local call completion rate” means the minimum percentage of local telephone calls completed per total of local call attempts measured during the peak traffic hour which originate and terminate from the licensee's network; 8