A telecommunications architecture processes telecommunications service requests received from third parties through a secure access gateway. The third parties may be other telecommunications service providers which employ the services to support their own products and services or may be or individual subscribers. The service broker provides a flexible and efficient layer in the telecommunications architecture for processing the service request. The service broker also overcomes the technical problems associated with third party service request processing. In addition to providing technical solutions for efficient and secure processing of service requests for exposed services, the architecture also provides an additional revenue channel for existing telecommunication service providers.