Personalized telephone call processing method for single numbering service, involves verifying subscription of calling number to long distance operator by service provider, when calling number is authorized to attain processing of call

摘要

The method involves transmitting a called telephone number towards a local loop operator that forwards the call towards a long distance operator. The called number is authorized to attain or not the processing of the personalized telephone call is verified. Subscription of calling number to the long distance operator is verified by a service provider, when the calling number is authorized to attain the processing of the call.