Methods and apparatus for accessing computer network accessible service applications via a mobile terminal

Methods and systems for accessing computer network accessible services, such as internet based service applications, via a mobile terminal of a mobile telecommunication system using a mediation layer between a person's mobile terminal and the IT world. The mobile terminal in response to receiving user inputs interacts with this mediation layer via text messages. The mediation layer turns around and executes the appropriate IT services on behalf of the mobile terminal user.