Call delivery service within a radiotelephone communication system

Claim 1

Within a radio telephone network (RTN) , a method for enabling an RT subscriber, in a radio service area serviced by a radio telephone control system (RTCS), to receive calls originally presented to a non-serving RTCS, comprising the steps of: receiving, at a currently serving RTCS, request information, from an RT subscriber, indicating that the RT subscriber desires to receive, in the current radio service area, calls originally presented to non-serving RTCSs; sending the request information to a radio telephone information store (RTIS) having service records for the RT subscriber; updating the RTIS service recores for said RT subscriber as a function of the received request information; receiving at the non-serving TRCS an incoming call, placed to the RT subscriber; said non-serving RTCS generating and sending a first call connect request to the RTIS having service records for the RT subscriber; said RTIS communicating the RT subscriber's updated service records to the non-serving RTCS upon receipt of the first call connect request: said non-serving RTCS generating and sending a second call connect request to the currently serving RTCS, said second call connect request comprising service information and a callback number; receiving, at the currently serving RTCS, the service information and the callback number from the non-serving RTCS indicating that an incoming call, placed to the RT subscriber, is in progress at the non-serving RTCS; the currently serving RTCS paging the RT subscriber; and upon receipt of the RT subscriber's page response, the currently serving RTCS calling the callback number so as to connect the RT subscriber to the incoming call.