Intercepting Means for Multi-Vendor Call Routing
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Solution Overview
Problem
Current mobile communication networks face challenges in handling mobile terminating calls across networks with different vendors, particularly in ensuring vendor-specific services are administered correctly and efficiently, especially in multi-vendor environments, leading to issues with call routing and service provision.
Innovation Solution
The introduction of an Intercepting Means that intercepts interrogations by a first Mobile Switching Centre towards a Home Location Register to determine if a call requires routing to a dedicated Mobile Switching Centre for service provision, sending appropriate routing information to ensure calls are directed to the correct GMSC, even in multi-vendor networks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a first Mobile Switching Centre interrogates a Home Location Register for routing information in a multi-vendor network, then call routing can be performed, but vendor-specific services cannot be correctly administered and additional signalling overhead is generated
Solution Approach 1:
The patent introduces an Intercepting Means as an intermediary component between the first Mobile Switching Centre and the Home Location Register. This intermediary intercepts the interrogation message, determines the appropriate dedicated Mobile Switching Centre for vendor-specific services, and redirects the routing information accordingly. This mediator resolves the contradiction by enabling vendor-specific service administration without increasing overall system complexity, as the intercepting means handles the routing intelligence centrally.
Solution Approach 2:
The patent segments the Mobile Switching Centre functionality into dedicated Mobile Switching Centres for each vendor-specific service type. Instead of having a single universal routing mechanism, the system divides routing functions into specialized segments that can handle specific vendor requirements. This segmentation allows vendor-specific services to be administered correctly while maintaining a simplified overall architecture where the intercepting means manages the segmentation logic.
2Productivity
If routing information is obtained through standard MAP protocol interrogation, then call routing is achieved, but service provision for specific call types is inefficient and requires additional signalling
Solution Approach 1:
The patent implements preliminary action by having the Intercepting Means determine the appropriate dedicated Mobile Switching Centre before the actual call routing occurs. The intercepting means proactively identifies the correct service-specific MSC and prepares the routing information in advance, so that when the call needs to be routed, the information is already ready. This eliminates the need for additional signalling during call setup and improves service provision efficiency.
Solution Approach 2:
The patent establishes a feedback mechanism where the Intercepting Means receives information about the call requirements from the first Mobile Switching Centre, determines the appropriate dedicated Mobile Switching Centre, and feeds back the corrected routing information. This feedback loop ensures that service-specific routing is automatically adjusted without requiring manual intervention or additional signalling from the calling party, thereby improving efficiency and reducing setup time.
3Adaptability or versatility
If multiple Mobile Switching Centres are used for different services, then service specificity is improved, but call routing becomes more complex and requires interception mechanisms
Solution Approach 1:
The Intercepting Means serves as a central mediator that manages the complexity of routing to multiple dedicated Mobile Switching Centres. Instead of requiring each Mobile Switching Centre to have complex routing logic, the intercepting means handles the routing intelligence centrally, determining which dedicated MSC should receive the call based on service requirements. This mediator approach enables service specificity while keeping individual routing components simple.
Solution Approach 2:
The patent makes the Intercepting Means a universal component that can handle routing for multiple different services and vendor-specific requirements through a single multi-functional mechanism. Rather than having separate routing mechanisms for each service type, the intercepting means provides universal service by determining the appropriate dedicated Mobile Switching Centre for any given call requirement, thereby reducing overall architectural complexity.
Data Source
AI summary
A method and a system for handling a mobile terminating call in a mobile communications network, wherein interrogation (112) by a first Mobile Switching Center (101) towards a Home Location Register (202) for routing said call is intercepted by an Intercepting Means (104). The Intercepting Means (104) determines that routing said call to a dedicated Mobile Switching Center (105) is required for providing a service for said call. A message (213) comprising routing information for routing said call to the dedicated Mobile Switching Center (105) is sent by the Intercepting Means (104) to the first Mobile Switching Center(101).


