AppCell designed the VAST architecture to support the needs of carrier-class customers in the areas of openness, reliability, scalability, availability, robustness, upgradability and manageability. VAST was built as an object driven environment which can easily be configured to manage specific information types and which can capture the relationships between various pieces of data (relating to physical and logical information).
The platform extends to the network , service, content providers and developers the ability to create, deploy, manage and control messaging and content and interactive applications used in IP, wireless and wireline networks.

In addition, because they are built on proven , reliable and open components like Linux , Apache , Mysql , PHP , Kannel, SVN are all linked within the platform using standards-based methods. The result is a highly optimized, tightly integrated solution that can be divided into the following logical levels:
Watch flash presentation
Connectivity/Network Services
This layer handles the connections and protocols to messaging and other OSS services , with Routing Management , Aggregation to group common connections, billing options and other capabilities into API usable objects.
Run Time
The Application Server in charge of executing your application/service flow and render the result.
API
Services development becomes a non-issue when time consuming and long coding are already done. Webmaster level programming is more than enough for complex mobile services using VAST comprehensive API with over 350 functions.
Storage
Crucial component for any application, allows simplified data storage via API to Database and File System.
Front Ends
Web/Wap/i-Mode/XML engine , highly configurable with styles and templates.
Mobile Content Management Systems
Control over Catalogs and Content Delivery Environment; it offers a unified content management along with content search, content adaptation, digital rights management, and content delivery functions.
Transcoding
On-the-fly or queue-based via API , a multi way content adaptation and conversion layer , handling all known content types from simple sound file and graphics up to videos.
Device Management
Mobile phones and devices capabilities repository , manageable and API accessible , used by the platform as a service in order to best serve the client terminal.
Service Orchestration
Web based management of the entire framework and services.
Reporting and Business Inteligence
Traffic , revenues and royalties reporting and trends tools
Management
Security , Monitoring and Version Control , combined and providing the overall platform manageabitliy