Enterprise Mobility Agent for Seamless User Profile Porting
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Solution Overview
Problem
Current enterprise user mobility solutions for circuit-switched or TDM communication devices are limited, as they do not support inter-switch mobility, leading to disruptions in voice communications due to insufficient network resources and quality of service issues, and lack full functionality when users access remote stations.
Innovation Solution
A method that creates a visitor application record associated with a second communication device, allowing a first subscriber to use a second communication device while maintaining their home device's configuration, enabling intra- and inter-switch mobility by redirecting calls and features, and balancing call processing loads among multiple switches without requiring new network components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If enterprise user mobility is implemented using VoIP products, then user mobility across the enterprise network is improved, but service reliability deteriorates due to insufficient network resources and QoS issues
Solution Approach 1:
The patent introduces a mobility server as an intermediary component that mediates between the IP network and circuit-switched network. The mobility server receives mobility registration requests from IP phones, translates them into circuit-switched network protocols, and manages call routing between the two networks. This intermediary approach allows users to maintain reliable circuit-switched connections while enjoying IP network mobility benefits, resolving the contradiction between mobility adaptability and service reliability.
2Reliability
If wired circuit-switched or TDM communication devices are used, then service reliability is improved, but adaptability deteriorates due to lack of inter-switch mobility support
Solution Approach 1:
The patent creates a universal mobility system that works across both IP and circuit-switched networks, and across multiple switches. The mobility server provides multi-functional capabilities including mobility registration, call routing, feature translation, and inter-switch coordination. This universal approach allows circuit-switched devices to achieve inter-switch mobility while maintaining their reliable service characteristics, resolving the contradiction between reliability and adaptability.
3Adaptability or versatility
If IP networks are used for voice communications, then adaptability is improved, but service quality deteriorates when network resources are insufficient
Solution Approach 1:
The patent segments the voice communication system into two distinct network paths: the IP network for control signaling and mobility management, and the circuit-switched network for actual voice transmission. This segmentation allows the IP network to provide excellent adaptability for distributing communication components and managing mobility, while the circuit-switched network provides guaranteed QoS for voice communications. The mobility server coordinates between these segments, resolving the contradiction between network adaptability and voice quality reliability.
Data Source
AI summary
In one embodiment, an enterprise network is provided that includes a mobility agent 150 associated with a switch/server 100 or 104. The mobility agent creates a visitor application record 172 associated with a second communication device 140b. The visitor application record is associated with a first subscriber. A second subscriber is normally associated with the second communication device, and the first subscriber with a first communication device 136a. In response to creating the visitor application record, the native communication device record is associated with a virtual communication device having the same public and/or private numbers as the second communication device 140b.