DUAL-MODE DEVICE FOR VOICE COMMUNICATION

摘要

A terminal for use in a peer-to-peer voice communications system comprising: a base station; and at least one handset arranged to communicate wirelessly with said base station; wherein the base station comprises a first interface to a packet data network and a second interface to a public switched telephone network, said base station being arranged to selectively establish a packet data call from said first interface and a public switched telephone call from said second interface.