Patent ID: 7650142

Claim:
A method of setting up a conference call between subscriber mobile stations comprising the steps of: (a) a device initiating a shared channel within a defined area, the shared channel being a channel that a plurality of the subscriber mobile stations in the defined area use to connect to said conference call, the shared channel call having a first priority; (b) the device retrieving a subscriber mobile station number list; and (c) the device initiating an individual channel call to a member of the stored subscriber mobile station number list, the individual channel call using an individual channel to which an individual subscriber mobile station connects, to connect to said conference call, the individual channel call having a second priority which is lower than the first priority; such that when the conference call is initiated a subscriber mobile station for a subscriber within said defined area is connected to said conference call using said shared channel as the shared channel call has a higher priority than that of the individual channel call, and a subscriber mobile station outside said defined area is connected to said conference call using an individual channel.