Comcast, triple-threat provider of Internet, cable and residential telephone services, has just launched a free mobile application for the iPhone and iPod touch.

The application will provide mobile access to live TV listings, SmartZone email and voicemail, and video on demand movie trailers. The Comcast app will give its customers full access to all of its service and moreover, connect the user to their Comcast.net inbox within the app and access to visual voicemail.

"This is all part of a strategy that Comcast has to extend the accessibility and mobility of Comcast services that are traditionally known for being in the home," said Charlie Douglas, director of corporate communications at Comcast, Philadelphia, PA. "So our goal is to extend the mobility of those products by doing things like this mobile app."

"We would like to extend the availability of this type of app through multiple devices, as many devices as possible really," he said.

Comcast claims that this mobile application initiative combines its communications, information and entertainment products in one place that is fully mobile to the consumer.

The Comcast mobile application combines features from Comcast digital voice, video and high-speed Internet delivering them from the most robust application store in the world: the Apple App Store.

Comcast customers who currently use a Comcast.net user ID can get real-time access to their inbox and address books right within the application, as well as the full functionality of Comcast's SmartZone Communications Center.

"There are a number of different types of people who use or need our services," Mr. Douglas said. "They could be early adopters of technology, people who are using the Internet to blog, people who are part of that new media culture, small businesses, free lancers, small business owners, college students.

"People who love technology will love this app and a lot of the reviews echo that sentiment," he said.

The application combines email and home voicemail into one inbox where users can read, reply, forward and compose email along with reach attachments.

Users can manage their voicemails and call logs or view their voicemail in a customizable order. The application also supports touch-to-call.

The application also gives user access to TV listings and video on demand movie trailers.

Comcast also added a feature that syncs all the contacts from the user's Comcast.net inbox to the iPhone and vice versa with the additional ability to post pictures to select contacts.

"My favorite review for the iPhone app said that it really makes your home voice service relevant again," Mr. Douglas said. "You can forward all home numbers and calls to the iPhone and extend the reach of your home phone to go to your iPhone.

"People who like the security of having a dedicated service at home can have it on-the-go too with the iPhone app," he said.