Patent ID: 6870823

Claim:
A CDMA cellular telecommunications messaging system, comprising: a message generator in a mobile switching center for generating an IS-634 message signal, said message signal for transmission to a base station for triggering said base station to transmit a subsequent message signal to a mobile station; and a message receiver in said base station for receiving said message signal; wherein said message signal is generated upon detection by said mobile switching center of a condition whereby a mobile subscriber attempts to originate a call while another party is attempting to call the mobile subscriber; wherein said condition is detected when said mobile switching center receives a message indicative of a mobile station originated call and a message indicative of said mobile station terminated call in quick succession; and wherein said message signal is generated in response to the receipt of a Release Message by said mobile switching center, said Release Message having been generated by a network servicing a party which is to terminate its connection with said mobile station, said party being one of two parties communicating with said mobile station in a call waiting procedure.