Video Call Directory Verification via Challenge Sessions
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Solution Overview
Problem
Current systems for managing video call numbers face challenges in verifying the validity of registered addresses and allowing cross-organization video calls, particularly due to invalid addresses and ITSP domain restrictions, which hinder successful video call connections between different organizations.
Innovation Solution
A system and method that includes a directory server with a client interface and video calling unit to verify video call numbers by generating a registration challenge, initiating a video call session, and presenting the challenge to the user for response, updating the directory only if the challenge matches, ensuring valid addresses are registered and facilitating cross-organization calls.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If anyone can register video call numbers with the directory, then the directory becomes more accessible and useful, but invalid addresses may be registered causing verification failures
Solution Approach 1:
The system performs preliminary verification by initiating a test video call to the registered number before adding it to the directory. This advance check ensures that only valid, reachable numbers are registered, preventing future verification failures while maintaining open registration access.
Solution Approach 2:
The system implements a feedback mechanism where the registration process triggers an automatic verification call. The result of this call (success or failure) feeds back into the registration decision, allowing the system to accept or reject the registration based on real-time validation results.
2Reliability
If ITSP domains block outside video call requests, then domain security is maintained, but valid cross-organization video calls are prevented
Solution Approach 1:
The directory server acts as an intermediary that mediates between external callers and ITSP domain users. It performs verification calls through the ITSP's own infrastructure, using the ITSP's resources to validate external numbers, thereby maintaining domain security while enabling cross-organization calls.
Solution Approach 2:
The system creates a universal verification mechanism that works across different ITSP domains. By using the ITSP's existing video call infrastructure for verification purposes, the system achieves multi-functionality - the same infrastructure serves both internal communication and external verification needs.
3Reliability
If video call verification is implemented, then address validity is confirmed, but the registration process becomes more complex
Solution Approach 1:
The verification process is automated and self-executing. When a user registers a video call number, the system automatically initiates the verification call without requiring manual intervention. The entire verification process happens in the background, making the complex operation appear simple to the end user.
Solution Approach 2:
The verification process is merged with the registration process itself. Rather than being separate steps, validation is integrated into the single registration flow, so users experience one unified process rather than multiple distinct operations.
Data Source
AI summary
A system and method allowing users of video call endpoints to register their video call addresses in a local, regional and/or global directory, where the directory is configured to validate whether the video call address is a valid accessible address and that the user registering the video call number actually has physical access to the a video call device using the video call address.