Patent ID: 7436779

Claim:
A system comprising: a packet data serving node; a base station; a communication path communicatively coupling the packet data serving node and the base station; and a wireless terminal; wherein the packet data serving node facilitates communication between the base station and a packet switch network and has logic for (i) determining what type of communication is being exchanged with the wireless terminal and (ii) responsively sending to the base station over the communication path, a signal indicative of the type of communication, wherein the base station has logic for (i) receiving the signal indicative of the type of communication; and (ii) controlling, based on the signal indicative of the type of communication, when a radio link layer connection to the wireless terminal is released, wherein the packet data serving node is communicatively coupled to a radio-packet interface, the radio packet interface enabling the packet data serving node to send to the base station, over the communication path, the signal indicative of the type of communication, and wherein the type of communication is selected from the group consisting of an instant messaging session, a file-transfer-protocol session, a push-to-talk session, and an HTTP communication.