Microsoft is planning to officially unveil Windows Phone 7 on October 11. It has contacted major tech blogs and is hosting a press conference at 2 PM in London on October 11.
They haven’t specifically stated that they will be launching Windows Phone 7 at the press conference, but there isn’t any other major reason to call one.
The timeline matches up with the earlier rumors that Microsoft will launch Windows Phone 7 in October.
The US launch of Windows Phone 7 will reportedly happen on November 8.