Shared ANI Routing for Secure Two-Way Communications
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Solution Overview
Problem
Secure communication systems in facilities like prisons and mental hospitals face challenges in managing two-way communications, as residents lack dedicated phone numbers or devices, leading to restricted communication options and high costs due to the need for individual ANIs, which are not efficiently reassigned, causing security and logistical issues.
Innovation Solution
A system utilizing a small set of shared telephone numbers or short codes, combined with resident and device IDs, to facilitate two-way communications, allowing residents to communicate without dedicated numbers or devices, and using system logic to route communications efficiently and securely across shared devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a dedicated ANI is assigned to each resident, then two-way communication capability is achieved, but system cost and complexity increase significantly
Solution Approach 1:
The patent merges multiple residents' communication functions into a single shared ANI. The communication system allows multiple residents to share one ANI by dynamically routing incoming calls to the appropriate resident based on active communication sessions, thereby reducing the total number of ANIs needed while maintaining two-way communication capability for all residents
Solution Approach 2:
The shared ANI serves multiple functions simultaneously - it can initiate outbound calls for any resident in the group and receive inbound calls that are then dynamically routed to the appropriate resident. This multi-functional approach allows a single ANI to replace what would traditionally require multiple dedicated ANIs
2Adaptability or versatility
If a dedicated ANI is assigned to each resident, then individual communication identity is provided, but cost and infrastructure requirements increase
Solution Approach 1:
Multiple residents share a single ANI identifier in the public switched telephone network. The system maintains individual communication identities for each resident through internal routing logic that maps incoming calls to the specific resident based on active communication sessions, eliminating the need for each resident to have a unique ANI
Solution Approach 2:
The communication system acts as an intermediary between the shared ANI and individual residents. When an inbound call arrives at the shared ANI, the system mediates by determining which resident should receive the call based on active communication sessions, thereby providing individual communication identity without requiring individual ANIs
3Productivity
If traditional outbound-only telephone calls are used, then security control is simplified, but communication effectiveness and rehabilitation outcomes are reduced
Solution Approach 1:
The system dynamically adapts its behavior based on communication direction. For outbound calls, it operates in a simplified mode with basic security controls. For inbound calls, it activates dynamic routing logic that monitors active communication sessions and automatically directs calls to the appropriate resident, allowing enhanced communication effectiveness without proportionally increasing system complexity
Data Source
AI summary
A system and method for enabling two-way communication between a residents of a secure facility (inmate, patient, suspect, etc.) and outside parties shares a limited number of telephone numbers (ANIs) by creating distinct communication channels using other data in addition to the shared ANIs.