BT’s converged fixed/mobile phone service — called Bluephone during development — has been launched. BT Fusion, as it is now known,operates as a mobile phone outside the house, and uses a Bluetooth base station within the house, to switch calls over a BT Broadband link.

Future plans include a fashionable Motorola RAZR handset, instead of the current v560 handset, and Wi-Fi support within the year. The basics of Bluephone have been well known for some time, but the launch filled in details of pricing, and the future roadmap.

One limitation that cropped up is the fact that it is only available to BT Broadband subscribers. This is for commercial reasons, as there is no technical reason why those with other broadband providers couldn’t be connected.

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