Voice mark-up language having an application transfer tag and interpreter therefore

摘要

A voice markup language for a service for a telecommunication service platform, the telecommunication service platform having a communication layer and a session layer,   the language comprising an application transfer tag, the application transfer tag comprising an identifier corresponding to a further service provided on the telecommunication service platform,   wherein the application transfer tag causes the session layer to cause a call connected to the service to be processed by the further service.