Specialized Resource Function for VoiceXML Gateway Integration
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Solution Overview
Problem
Existing Intelligent Network (IN) infrastructure struggles to seamlessly integrate modern voice-browser platforms and media gateways with pre-existing IN-based networks, limiting the ability to provide advanced voice services and multimedia interactions without modifying existing service logic and platforms.
Innovation Solution
A server apparatus with interfaces for communication with both the signaling network and a media gateway, enabling the rendering of documents like VoiceXML pages, which allows for the provision of specialized resource functions within the telephone network, facilitating the use of media gateways like VoiceXML gateways to process both IN-based interactions and voice portals without modifying existing SCF implementations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If modern voice-browser platforms and media gateways are integrated into pre-existing IN-based networks, then service functionality and multimedia capabilities are enhanced, but system complexity and integration difficulty increase
Solution Approach 1:
The patent introduces a specialized resource function (SRF) as an intermediary component between the media gateway and the service control subsystem. The SRF includes a document provider that generates VoiceXML documents and a renderer that processes them, acting as a mediator that translates between the modern voice-browser platform and the legacy IN infrastructure without requiring modifications to existing service logic or platforms
Solution Approach 2:
The system is segmented into distinct functional modules: the media gateway for voice processing, the server apparatus with document provider and renderer for VoiceXML processing, and the existing service control subsystem. This segmentation allows each component to operate independently with well-defined interfaces, reducing integration complexity while enabling enhanced service functionality
2Productivity
If the same gateway is used for various interactions without modifying underlying service logic, then operational efficiency is improved, but system flexibility and adaptability are reduced
Solution Approach 1:
The system employs dynamic document generation where VoiceXML documents are created on-demand based on caller input and service requirements. The renderer can dynamically interpret and execute different VoiceXML scripts for various interactions, allowing the same physical gateway to adapt to different service scenarios without hardware or fundamental logic changes, thus maintaining both efficiency and flexibility
3Adaptability or versatility
If existing service logic and platforms are modified to integrate voice-browser platforms, then integration compatibility is improved, but system reliability and stability are worsened
Solution Approach 1:
The specialized resource function serves as a protective intermediary layer that isolates the legacy service control subsystem from direct interaction with the modern voice-browser platform. All integration complexity is contained within the SRF's document provider and renderer, which translate between different paradigms, thereby preserving the stability and reliability of existing service logic while achieving integration compatibility
Data Source
AI summary
To provide a specialized resource function within the telephone network, server apparatus is described having a first interface for communication with a signalling network of a telephone network and a second interface for communication with a media gateway that has at least one bearer channel to the telephone network. The apparatus has a control arrangement for enabling the apparatus to provide, through the second interface, a document, such as a VoiceXML document, for rendering by the media gateway, the document being provided at least partly under the control of information received from a service control subsystem of the telephone network in an interaction through the first interface. An associated media gateway and method are also described.