Method and system for using a packet-network telephone to schedule a conference call

A method and system for scheduling a conference call using a packet-network telephone in which a user interface of the packet-network telephone (i) is provided with a user directory that comprises a list of potential conference call participants that are selectable via the user interface, (ii) receives from the user interface, a selection of one or more persons selected from the user directory list to participate in the conference call, and (iii) transmit a signaling protocol message from the packet-network telephone to a packet-network, where the signaling protocol message is destined for a serving device for scheduling the conference call. The signaling protocol message comprises a request to schedule the conference call and a respective identifier for each of the one or more persons selected from the user directory to participate in the conference call.