IMS Service Rule Changeability Indicators
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Solution Overview
Problem
Current IP Multimedia Subsystem (IMS) service configurations do not provide a mechanism for users to distinguish between changeable and unchangeable service rules, leading to user confusion and potential unintended changes to service settings.
Innovation Solution
Incorporating informational elements into the XML document structure to identify whether service rules are changeable, allowing users to understand and manage unconditional and immediate service rules, with the XDMS validating and updating these rules accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If users are allowed to freely change all service rules, then user flexibility and control are improved, but unintended changes to critical service settings occur leading to system reliability deterioration
Solution Approach 1:
The patent applies local quality by differentiating the changeability status of individual service rules within the same system. Each service rule is tagged with an indicator (e.g., <service-rule-changeable>) that specifies whether it can be modified by the user. This allows critical rules to remain fixed while non-critical rules remain flexible, resolving the contradiction between user flexibility and system reliability.
2Loss of information
If informational elements are added to XML documents to indicate changeable service rules, then user understanding and control are improved, but system complexity increases
Solution Approach 1:
The patent segments the service rule information by introducing distinct informational elements within the XML structure. Each service rule can have its own <service-rule-changeable> tag, allowing the system to provide detailed information about individual rules without overwhelming the entire document structure. This segmentation approach improves user awareness while maintaining manageable system complexity.
3Reliability
If the system validates and controls which service rules can be changed, then service rule reliability is improved, but user operation speed and efficiency decrease
Solution Approach 1:
The patent implements preliminary action by pre-tagging service rules with changeability indicators before user interaction. The system performs the validation check in advance by marking which rules are modifiable, so that during user operation, the system only needs to check these pre-defined indicators rather than validating each rule change request in full. This maintains reliability while improving operational efficiency.
Data Source
AI summary
Methods and apparatus for controlling the presentation of user changeable IP Multimedia Subsystem, IMS, service rules at a user equipment. The service rules, conditions, and/or actions are defined within an XML document maintained within the IMS network. The XML document includes one or more informational elements identifying the service rules that the user can change, which include at least one of an unconditional or immediate based service rule. Upon receipt of the XML document, the user equipment or a web portal, interprets the informational element(s) and presents an indication in relation to whether the service rules are changeable. In response, user defined service rule information may be received and used in changing service rules associated with the user. The user defined service rule information is transmitted to the IMS network for validation and allowable portions of the user defined service rule information are used in updating the service rules.