BT is to offer UK customers Mobile VoIP services on Windows Mobile 6
powered Smartphones from HTC. BT says it is bringing together its
products and services to connect people simply and seamlessly and will
look to bring the benefits of Mobile VoIP services to businesses. 
Our vision is that our customers are able to access all their
applications and information on their choice of device, using the best
network available with a simple and seamless user experience says BTs
Chief of Applications and Devices Jerry Thompson. It is also
consistent with our strategy of providing customers with whatever they
wish, either through our own expertise or through working in
partnership with world class companies in this case Microsoft and HTC
to deliver the best possible customer experience.
BT already provides a range of wireless products and services for
customers at home, in the office and on the move. BTs wireless
services include its Wi-Fi Fusion mobile service, which BT says is the
worlds first seamless converged fixed-mobile phone service, and the
home and office Hub that enables customers to create their own
wireless network.