Patent ID: 6993348
Filing Date: 2006-01-31
Classification: H04L,H04W

Abstract:
1. A radio terminal corresponding to a first radio terminal associated with a second radio terminal, comprising: a first receiving unit configured to receive a first request issued from the second radio terminal; an establishing unit configured to establish, in response to the first request, a radio link with respect to the second radio terminal; a setting unit configured to set, on the radio link, a connection with the second radio terminal; a detecting unit configured to detect an event in association with the second radio terminal; and a first transmitting unit configured to transmit, to the second radio terminal via the connection, a second request representing that first service information concerning the second radio terminal should be transmitted to the first radio terminal, when the detecting unit detects the event, wherein the first transmitting unit transmits the second request if the first radio terminal un-possesses information corresponding to the first service information, the first service information contains information indicative of a period of validity, and the first transmitting unit transmits the second request if the period of validity is expired.