Endpoint Initiation of Multipart Conferences via MCU Resource Pre-assignment
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Solution Overview
Problem
Conventional videoconferencing systems require significant processing power and resource management, making them unavailable for new conferences when resources are occupied, and existing solutions for multipoint conferencing are complex and time-consuming, limiting the use of personal endpoints for multipoint video conferencing.
Innovation Solution
A method where personal multimedia terminals are assigned unique static conference numbers, allowing them to initiate multipoint conferences without prior setup, by pre-allocating and dynamically managing resources within a Multipoint Control Unit (MCU), enabling ad-hoc endpoint initiation of multipart conferences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If MCU performs video mixing and decoding for each incoming stream, then video conferencing quality is improved, but processing power and resource availability deteriorate
Solution Approach 1:
The system pre-assigns and stores conference numbers in the MCU before conferences are initiated. When a conference number is dialed, the MCU already has the conference parameters and can quickly allocate resources without performing complex setup procedures, thus reducing processing overhead while maintaining conference quality
2Reliability
If MCU allocates dedicated resources for each conference, then conference quality is improved, but resource availability for new conferences deteriorates
Solution Approach 1:
The system dynamically manages conference resources by allowing the same conference number to be reused after a conference ends. The MCU can allocate resources for new conferences using the same pre-assigned numbers, making the resource allocation dynamic rather than static, thus improving both reliability and adaptability
3Ease of manufacture
If conference setup procedures are implemented, then conference organization is improved, but ease of operation deteriorates
Solution Approach 1:
The system allows endpoints to self-initiate conferences by simply dialing a pre-assigned conference number. The MCU automatically handles resource allocation and conference setup without requiring manual intervention or complex procedures at the endpoint, thus improving ease of operation while maintaining proper conference organization
Solution Approach 2:
Conference numbers are pre-assigned and stored in the MCU before any conference takes place. This preliminary configuration eliminates the need for complex setup procedures during conference initiation, allowing users to simply dial the number and start the conference, greatly improving ease of operation
Data Source
AI summary
A method establishes a conference through a Multipoint Control Unit, MCU. The method includes pre-assigning and storing in the MCU one or more conference numbers respectively associated with a user or a multimedia terminal. The method also includes initiating a first call from a first multimedia terminal by dialing a first conference number among the one or more conference numbers, routing the first call to the MCU based on a prefix number of the first conference number, and, at a receipt of the first call in the MCU, allocating primary MCU resources and establishing the conference including the first multimedia terminal. The method further includes initiating a second call from a second multimedia terminal by dialing the first conference number, routing the second call to the MCU, and, at a receipt of the second call in the MCU, allocating secondary resources and including the second multimedia terminal in the conference.