Caller Terminal Selection for IP Network Multi-Device Users
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Solution Overview
Problem
Current IP networks lack an efficient method for a caller to select the most capable terminal among multiple connected devices of a second user to provide the desired service, as existing solutions either aggregate terminal capacities inaccurately or impose significant delays in obtaining necessary information.
Innovation Solution
A method where a first user independently receives requests from each client device of a second user, selects the most capable terminal based on received technical capacity information, and establishes a session with that terminal, allowing for quick identification and selection of the optimal device for service provision.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If existing solutions aggregate terminal capacities, then terminal capability information is obtained, but the information is inaccurate and selection efficiency deteriorates
Solution Approach 1:
The patent segments the capability inquiry process by sending separate OPTIONS requests to each terminal of the second user independently, rather than aggregating capabilities at a network level. Each terminal responds individually with its own capability information, allowing the first user to receive precise, terminal-specific capability data without loss of accuracy or efficiency.
2Loss of information
If existing solutions are used to obtain terminal capability information, then capability data is received, but significant delays occur in the process
Solution Approach 1:
The patent performs preliminary capability inquiry by sending OPTIONS requests to all terminals before the actual session establishment. This allows the first user to obtain complete capability information in advance, make an informed selection, and only then initiate the session with the chosen terminal, avoiding delays during the session setup phase.
Solution Approach 2:
Each terminal autonomously responds to the OPTIONS request with its own capability information without requiring network-mediated aggregation or translation. The terminals self-serve by providing their capability data directly, eliminating the time-consuming process of network-level capability synthesis and reducing overall inquiry time.
Data Source
Figure 1~2
AI summary
The invention concerns a method for selecting, by a first user of an IP network, a client device from a plurality of client devices of a second user connected to said IP network. Said method comprises the following steps: a) the client device of said first user transmits a request to said second user, said request being of a dedicated type or comprising a header containing a dedicated indicator; and b) at least one of the client devices of the second user having received said request responds to the first user by means of a request indicating the technical capacities of said client device of the second user and requesting the provision, by said client device of the first user, of the technical capacities of said client device of the first user.