Method for changing communication in a communication system, and communication system therefor

A method for changing connection in a communication system, the communication system including a base station subsystem and a mobile switching center, the base station subsystem including a first base station controller connected to the mobile switching center, a second base station controller connected to the mobile switching center, and a base transceiver station connected to the first base station controller and the second base station controller, the method comprising the steps of:

• receiving communication from a mobile station at the first base station;
• establishing a communication between the mobile station and the mobile switching center, the mobile station in communication with a base station subsystem, the communication traveling to the mobile switching center via a first link between the first base station, the first base station controller, and the mobile switching center;
• determining that a link between the first base station controller and the mobile switching center is no longer a preferred link;
• and
• changing the communication to a second link, the second link between the first base station, the second base station controller, and the mobile switching center.