IMS Call Handling Using Precondition Information
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Solution Overview
Problem
Current IP Multimedia Core Network Subsystem (IMS) communication methods lack efficiency in customizing and handling calls, particularly in requesting and acting upon preconditions during call initiation.
Innovation Solution
A communication method and system where a communication initiating device, such as an IMS device, requests information before answering a call and performs predefined actions based on the obtained information, which can include sensitivity-level dependent actions like placing the call in a specific queue, using a push-back procedure like pop-up messages, and automatic information provision to accredited systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If preconditions are requested before answering a call, then call handling efficiency and customization are improved, but call setup time and system complexity increase
Solution Approach 1:
The patent applies preliminary action by requesting preconditions before the call is answered. The communication response system requests required information from the communication initiating device prior to establishing the call connection. This allows the system to prepare and customize call handling parameters in advance, improving efficiency while managing the time trade-off through selective precondition requests rather than comprehensive checks.
2Adaptability or versatility
If predefined actions are performed based on requested information, then service customization and user interaction are improved, but system complexity and processing requirements increase
Solution Approach 1:
The patent applies parameter changes by modifying call handling parameters based on the requested information and sensitivity levels. The system changes parameters such as call routing, queue placement, and service activation according to the preconditions provided. This enables customized service delivery while managing complexity through parameter-based decision logic rather than complex procedural workflows.
Solution Approach 2:
The patent applies self-service by enabling the communication initiating device to automatically provide requested information to accredited communication response systems. This reduces the need for manual intervention and simplifies the interaction model, allowing the system to handle customization automatically based on pre-established credentials and sensitivity levels.
3Ease of operation
If automatic information provision is enabled for accredited systems, then user interaction and service delivery are improved, but security risks and information management complexity increase
Solution Approach 1:
The patent applies feedback by implementing a sensitivity level assessment mechanism that provides feedback on the type and sensitivity of information being automatically provided. The system assesses the sensitivity level of requested information and uses this feedback to determine appropriate handling actions, thereby managing security risks while maintaining ease of operation for accredited systems.
Data Source
AI summary
A communication method between a communication initiating device and a communication response system using preconditions, comprising the steps of initiating a call from the communication initiating device to the communication response system, before answering the call, requesting information in accordance with the preconditions and performing one or more predefined action in response to the obtaining of the requested information.