AT&T continues to back the platform wholeheartedly after endorsing it -- and Microsoft 's cellular efforts -- repeatedly over the past year. "We'll be the premier carrier for Home windows Cellphone 7," a spokeswoman stated by way of e-mail on Monday. "We haven't given guidance on timing."

The spokeswoman would not elaborate about what a premier provider would do to advertise WP7. Analysts have noted the value to Microsoft of getting as many carriers on board as possible, particularly given the failure of Microsoft Kin telephones sold by Verizon Wireless and Microsoft's transfer away from the Windows Cell 6.x platform.

Each Verizon and Sprint Nextel refused to remark about their plans for WP7, and the fourth-largest provider, T-Mobile USA, didn't reply to a question on its plans. A Microsoft spokeswoman final week stated neither Microsoft nor the cellular operators have any bulletins on whether they will have WP7 telephones when they develop into usually accessible this fall. She did observe, nonetheless, that Microsoft indicated at its WP7 announcement at Mobile World Congress in February that its US companions have been AT&T, T-Mobile, Sprint and Verizon.

AT&T has stood out in its reward for Microsoft and WP7 in current months. At the CTIA present in March, Jeff Bradley, senior vp of mobile units for AT&T, stated in an interview that the service was trying ahead to promoting WP7 telephones to be used on its network when they develop into available.

via: engadget