Patent ID: 7603107
Filing Date: 2009-10-13
Classification: H04W

Abstract:
1. A communication system comprising first and second radiotelephones configured to communicate with a telecommunications network, the first radiotelephone comprising identification information, the second radiotelephone being configured to acquire at least some of the identification information of the first radiotelephone from the first radiotelephone, wherein the second radiotelephone, when in a passive state in which there is no connection to the telecommunications network, is further configured to acquire connection parameters from the first radiotelephone when the first radio telephone is in an active state in which there is a connection to the telecommunications network, wherein the connection parameters include information relating to any of: the strongest radio channel and radio channels in use, and further configured to re-use the acquired connection parameters when the state of the second radiotelephone has changed from the passive state to an active state by effecting a connection between the second radio telephone and the telecommunications network, avoiding channel searching procedures, wherein the connection parameters are usable by the first radio telephone, when the first radiotelephone is in the active state to effect a connection between the first radio telephone and the telecommunications network before the connection parameters are re-usable by the second radio telephone, when the first radiotelephone is in the passive state and the second radiotelephone is in the active state, to effect a connection between the second radio telephone and the telecommunications network, wherein the first radiotelephone is configured to, prior to the second radiotelephone acquiring information from the first radiotelephone, send a hold request to the telecommunications network enabling the first radiotelephone to change from the active state to a passive state, wherein the first radiotelephone and the second radiotelephone are not simultaneously connected to the telecommunications network using the same identification information.