Handoff between base stations of different protocol revisions in a spread spectrum communication system

The support in CDMA system with different the protocol version (P_REV) base stations the technical between of switching terminal. A terminal (with first P_REV) of the second base station (with second P_REV) from the first base station, of which is arranged on the movable of the first base station (data or voice call) state. P_REV second late the first P_REV. Capable of formerly of the movable call between terminal and second base stations through the first service configuration of the movable call first base station is. The second service configuration of the is provided with a movable call second base station is. The can be connected (1) searching terminal, (2) and second base station distribution, or (3) from causing the terminal. A available the movable call and may use and service configuring maintain.