Second Line Service Platform Voicemail Alerting via Relationship Numbers
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Solution Overview
Problem
Second line service (SLS) systems lack the ability to leverage relationship numbers for purposes beyond routing calls between a subscriber's telecommunications device and a third party's device, limiting their value to subscribers.
Innovation Solution
The SLS platform and SLS phone module utilize reserved relationship numbers to perform special operations, such as alerting subscribers to voicemails or routing calls directly to voicemail servers, by mapping primary numbers to third-party numbers and using session initiation protocol (SIP) for data service integration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the SLS system uses relationship numbers only for routing calls between subscriber TD and third party TD, then the call routing function is achieved, but the system functionality is limited and cannot perform special operations
Solution Approach 1:
The patent applies multi-functionality by enabling relationship numbers to serve dual purposes: traditional call routing between TDs and special operations (voicemail notification, call forwarding, etc.). The SLS platform detects the type of relationship number in the call signal and executes corresponding functions, allowing a single number to trigger multiple different operations based on its classification.
Solution Approach 2:
The patent introduces an intermediary mechanism where the SLS platform acts as a mediator between the incoming call and the final destination. The platform intercepts calls containing relationship numbers, identifies their type, and determines the appropriate action (routing to TD, voicemail server, or other special operations), thereby expanding system capabilities without requiring changes to the underlying TD devices.
2Adaptability or versatility
If the SLS platform performs only call termination operations, then the system operation is simple, but additional value services such as voicemail alerting and special operations cannot be provided
Solution Approach 1:
The patent segments the relationship number space into different types (call routing numbers, voicemail notification numbers, call forwarding numbers, etc.). Each segment corresponds to a specific function, allowing the SLS platform to handle diverse services through a unified numbering scheme while maintaining operational simplicity through automated classification and routing.
Solution Approach 2:
The patent implements dynamic operation where the SLS platform's behavior changes based on the type of relationship number detected in the call signal. The system dynamically determines the appropriate action (route to TD, alert voicemail, forward call, etc.) rather than following a fixed operation sequence, enabling versatile service delivery while keeping the core routing logic simple.
Data Source
AI summary
A method and system for the leveraging a reserved relationship number by an SLS platform and/or SLS phone module for the purpose of performing special operations other than making an SLS call available for termination at a subscriber TD and/or a third party TD involve associating the SLS phone number of the subscriber, the primary number of the subscriber and a next set of instructions via a common reserved relationship number.