PoC Box Service Parameter Storage via XDMS Interworking

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Solution Overview

Problem

The existing Push-To-Talk (PTT) over Cellular (PoC) system does not support voice mailbox functionality, leading to media stream unavailability for users who cannot participate in sessions due to battery discharge or absence, and the conventional method of using SIP PUBLISH messages increases the load on the PoC server by directly storing XML service setting values.

Innovation Solution

A method and system that interworks with an XML Document Management Server (XDMS) to store and manage PoC box service parameters, allowing the PoC server to reduce signaling burden by automatically subscribing to XML documents for PoC box service activation and media transmission, enabling efficient management and storage of media streams.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If PoC box service parameters are stored directly in the PoC server using SIP PUBLISH messages, then the PoC box service can be implemented, but the load on the PoC server increases and XML documents cannot be managed in an integrated manner

Engineering Contradiction:

ImprovePoC box service availabilityVSAvoidPoC server load

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent extracts the PoC box service parameter storage function from the PoC server and relocates it to a dedicated XML document management system. This separation allows the PoC server to focus on session management while the XML system handles parameter storage, thereby reducing server load and improving system efficiency.

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The patent introduces an XML document management system as an intermediary between the PoC client and the PoC server. This intermediary handles the storage and management of PoC box service parameters, reducing the signaling burden on the PoC server while maintaining service functionality.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Adaptability or versatility

If multiple PoC service setting values are stored in the PoC server, then PoC box service functionality is provided, but various XML documents relating to PoC service cannot be managed in an integrated manner

Engineering Contradiction:

ImprovePoC service configuration flexibilityVSAvoidXML document management complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent implements a universal XML document management system that can handle multiple types of PoC service parameters and configurations in an integrated manner. This unified approach allows diverse XML documents to be managed through a single system, improving adaptability while reducing management complexity.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Data Source

PatentUS8203973B2Method and system for providing a PoC box service in a PoC system

Publication Date: 2012.06.19 SAMSUNG ELECTRONICS CO LTD

AI summary

A system and method of a multimedia Push-To-Talk (PTT) over Cellular (PoC) box service is provided which can reflect dynamic requests of a user using a function for interworking with a PoC server and an Extensible Markup Language (XML) Document Management Server (XDMS) in a PoC system. In a method for providing the PoC box service, the PoC XDMS stores various information about a type of media to be stored by a PoC user, a PoC box type, and a connection address after a service request expires. An associated service is implemented by Session Initiation Protocol (SIP) technology between the PoC server and a PoC client and by interworking with the PoC server and the XDMS.