International Call Routing via IP Address Carrier Identification
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Solution Overview
Problem
International transit networks face difficulties and high costs in connecting various international carriers due to the need for customized interfaces for routing calls.
Innovation Solution
A method and network device that receive and identify international calls based on IP addresses or tunnels, accessing a database to determine the terminating carrier, and forwarding calls to the identified carrier, allowing for standard interface usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If customized interfaces are used for routing calls to various international carriers, then the ability to connect specific carriers is improved, but the device complexity and cost increase significantly
Solution Approach 1:
The patent implements a universal interface that can handle multiple carrier connections through a single standardized protocol. The system uses a database to store carrier routing information and a parser to interpret call requests, allowing one interface to serve multiple carriers without requiring customized interfaces for each carrier, thus reducing complexity while maintaining versatility
Solution Approach 2:
The patent introduces an intermediary component (the parsing module and database system) that sits between the interface and the carrier routing logic. This intermediary translates various call request formats into a standardized internal representation, enabling the system to handle different carriers through a common interface without direct customization for each carrier
2Adaptability or versatility
If customized interfaces are implemented for each international carrier, then call routing capability is improved, but the cost of connection increases
Solution Approach 1:
The system employs a universal interface design that can connect to multiple international carriers through a single standardized connection point. The database stores carrier-specific routing information, allowing the same interface to route calls to different carriers based on the call request, thereby eliminating the need for multiple expensive customized interfaces while maintaining full carrier connection capability
Solution Approach 2:
The patent uses a database to store and manage carrier routing information, effectively creating a virtual copy of carrier connection data that can be accessed and processed by the universal interface. This allows the system to handle carrier-specific information without requiring physical customized interfaces for each carrier, reducing connection costs while preserving adaptability
Data Source
AI summary
A method for routing an international call includes receiving a call and identifying a first international carrier based on an Internet protocol address associated with the call or a tunnel through which the call was received. The method also includes identifying a second international carrier based on the identified first international carrier. The second international carrier may represent a terminating carrier associated with forwarding the call to a called party. The method may further include forwarding the call to the identified second international carrier.