PURPOSE: To stop communication with a call having lower priority automatically and to make communication with a call having a higher priority when the call with the higher priority comes even when the communication terminal equipment makes communication with opposite parties whose number is a maximum number able to be controlled.

CONSTITUTION: An opposite outgoing number and its priority enabling an incoming call in advance with priority are registered in a priority information storage section 22, and even when the communication terminal equipment is busy with number of opposite parties able to be controlled, a priority incoming call control section 25 refers to a busy call information storage section 23 and the priority information storage section 22 in which the call number of a busy call and the priority are registered. When a call with lower priority than a incoming call is in existence among busy calls, the communication with lowest priority is interrupted and the incoming call is communicated.