Patent ID: 8054743

Claim:
A mobile communication terminal comprising: a plurality of wireless accessing means for establishing PPP-based (Point-to-Point Protocol-based) communication links for respectively different modes of wireless communications with a communication partner, one of the wireless accessing means from the plurality of wireless accessing means acquiring an IP address, used to establish a L2 (Layer 2) tunnel with the communication partner, and establishing a communication link via the L2 tunnel; combining means for combining the communication links established by the plurality of wireless accessing means; detecting means for detecting that wireless communication is possible for at least one of the plurality of wireless accessing means; controlling means for executing control to establish the communication link for the wireless accessing means detected as being capable of wireless communication by the detecting means; measuring means for measuring a radio field intensity of the communication link established by the wireless accessing means via the L2 tunnel; switching means for switching a packet-transmitting communication link based on the radio field intensity measured by the measuring means; and notifying means for notifying, when the packet-transmitting communication link has been switched by the switching means, the communication partner to that effect.