Virtual Telephonic Station Routing via Packet Network Proxy
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Solution Overview
Problem
Conventional circuit-switched telephonic networks inefficiently utilize communication capacity and require expensive call-forwarding operations, toll-free numbers, or FX lines for telephonic stations moved to different locations, limiting flexibility and increasing costs.
Innovation Solution
A method and assembly that allow a telephonic station to be virtually-resident in a telephonic network, enabling call routing through a packet data network without the need for call-forwarding, toll-free numbers, or FX lines, using a service control point and proxy server to associate dialing codes with gateway addresses and update the location of the telephonic station within the packet data network.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a telephonic station is moved to a different location in a packet data network, then flexibility and adaptability are improved, but conventional methods require expensive call-forwarding operations, toll-free numbers, or FX lines which increase operational costs
Solution Approach 1:
The patent introduces a service control point as an intermediary between the telephonic network and the packet data network. This service control point maintains a database that maps dialing codes to gateway addresses and telephonic station locations. When a call is placed, the service control point intercepts the call routing request, queries the database for the current location of the telephonic station, and redirects the call to the appropriate gateway address, eliminating the need for expensive call-forwarding services or toll-free numbers
Solution Approach 2:
The patent creates a virtual copy of the telephonic station's presence in the telephonic network through the service control point's database. The database stores mapping information that makes the moved telephonic station appear to still be resident at its original location or at any new location in the packet data network. This virtual residency allows calls to be routed to the telephonic station at its current location without requiring expensive reconfiguration or additional services
2Reliability
If conventional circuit-switched connections are used to maintain telephonic connections, then connection reliability is improved, but communication capacity utilization deteriorates due to dedicated channels being allocated regardless of actual data communication needs
Solution Approach 1:
The patent implements dynamic call routing where the service control point continuously updates the mapping between dialing codes and gateway addresses based on the current location of telephonic stations in the packet data network. This dynamic approach allows the system to adapt to changing network conditions and station locations in real-time, maintaining reliable connections while optimizing the use of communication capacity by routing calls only when and where needed
Solution Approach 2:
The patent changes the routing parameters from static circuit-switched dedicated channels to dynamic packet-switched routing through gateways. The service control point modifies call routing parameters by querying the database for current gateway addresses and redirecting calls accordingly. This parameter change allows the system to maintain connection reliability while improving communication capacity utilization by using packet-switched networks that can dynamically allocate resources
Data Source
AI summary
An assembly, and an associated method, by which to place a telephonic station in virtual residency in a telephonic network. The virtually-resident telephonic station is coupled to a packet data network, such as the Internet backbone. The virtually-resident telephonic station has packet network address determined by the location of its connection to the packet data network. An index, formed by an indexer, is maintained at a proxy server embodied at the packet data network. When a call is placed by a calling station for connection with the virtually-resident telephonic station, the call is routed to the packet data network, and the index is accessed to ascertain the address of the virtually-resident telephonic station. When the address is ascertained, the call is routed to the virtually-resident telephonic station, and the call connection is completed.