The redesigned site will offer new targeted ad formats to brands, including banners, Google Adsense and sponsorships.
Users will have access to all areas of the Telegraph's main internet site, and will be able to view video through the Telegraph TV player.
Created by Bluestar Mobile, the site will be supported by a mobile marketing campaign on other Telegraph Media Group (TMG) mobile sites, and across telegrapgh.co.uk.
TMG has also appointed Marvellous Mobile to run an external campaign across a range of mobile sites, including Yahoo and Channel 4.
The Telegraph initially launched its mobile site as a £5 a month subscription service, but dropped the pay barrier in August last year.
TMG has been at the forefront of mobile innovation, developing apps for the Android and iPhone soon after launch of the devices.
The publisher was one of the first UK companies to create a service for Android before it was even available in the UK. The app gives readers access to news content, sport, travel, motoring and finance.
Last month it went head-to-head with the BBC, releasing an iPhone app to complement its Formula One news coverage, featuring video content, live race information, driver biographies and Twitter feeds.
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