AT&T is not just a phone call away at the Democratic National Convention.

The head of the U.S. Federal Communications Commission has put on hold a plan to revise the rules governing the right of small wireless phone carriers to "roam" on the networks of larger rivals.

Research In Motion's powerful new BlackBerry Bold is a "strong product," but it isn't revolutionary, according to an analyst who reviewed the smartphone ahead of its North American launch.

An Infineon chip could be at the root of complaints from around the world that Apple Inc.'s  new iPhone drops calls and has unpredictable Internet links, according to a research report from Nomura.

The Smithsonian Institution will try luring tourists into an upcoming art exhibit by sending advertisements to visitors' cell phones.

Apple is expected to launch a high-speed wireless version of iPhone in the second quarter and to produce as many as 8 million of the devices in the third quarter, according to Bank of America.