# US 7,613,174 B2 · Telecommunication system for automatically locating by network connection and selectively delivering calls to mobile client devices

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- Number: US 7,613,174 B2
- Document ID: US7613174B2
- Status: Granted
- Kind: B2
- Application number: 11/386,550
- Filed: 2006-03-21
- Published: 2006-08-17
- Granted: 2009-11-03
- Earliest claimed: 1999-02-22
- Assignees: Genesys Telecommunications Laboratories, Inc.
- Inventors: Leonid A. Yegoshin
- Web page: https://patentgrep.com/patent/US7613174B2

## CPC

- H04W 88/06: adapted for operation in multiple networks {or having at least two operational modes}, e.g. multi-mode terminals
- H04L 12/5692: {Selection among different networks}
- H04L 45/00: Routing or path finding of packets in data switching networks (routing or path finding in wireless networks H04W40/00)
- H04L 61/00: Network arrangements, protocols or services for addressing or naming
- H04L 61/10: of different types
- H04L 61/5084: Providing for device mobility (network addressing or numbering for mobility support in wireless networks H04W8/26; mobile IP H04W80/04)
- H04L 65/1036: {at the edge}
- H04L 65/1069: Session establishment or de-establishment
- H04L 65/1073: Registration or de-registration
- H04M 1/2535: {adapted for voice communication over an Internet Protocol [IP] network (Voice over Internet Protocol (VoIP) network equipment and services H04M7/006; implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP] H04L69/16)}
- H04M 1/72445: for supporting Internet browser applications
- H04M 3/42246: {where the subscriber uses a multi-mode terminal which moves and accesses different networks with at least one network having a wireline access including cordless PBX}
- H04M 7/006: {Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP) , including next generation networks with a packet-switched transport layer (H04L65/00 takes precedence; aspects not specific to the type of network H04M3/00; special services in those networks H04M3/42)}
- H04W 8/12: between location registers or mobility servers
- H04W 84/042: {Public Land Mobile systems, e.g. cellular systems}
- H04W 84/12: WLAN [Wireless Local Area Networks]
- H04W 48/18: Selecting a network or a communication service
- H04W 60/00: Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
- H04W 76/20: Manipulation of established connections
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)
- H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08)

## Abstract

A communication system for an organization having multiple sites uses a dual-mode device capable of both cell phone communication and telephone communication on a local area network (LAN). IP LANS are established at organization sites such that a temporary IP address is assigned to a dual-mode device that logs onto an organization LAN, and the IP address is associated at a PSTN-connected server on the LAN with the cell phone number of the communication device. The IP server notifies a PSTN-connected routing server when a device logs on to a LAN, and also provides a destination number for the IP server. Cell calls directed to the device are then redirected to the IP server and directed to the device connected to the LAN.

## Claims

### Claim 1

A mobile communication device comprising:
software executing from memory on the mobile communication device enabling user selection of one of a plurality of selectable networks for communication, and enabling implementation of transmission and receipt of data in a format compatible with the selected network;
plural physical interfaces for connecting to individual ones of the selectable networks, the physical interfaces comprise two or more of a wireless interface to a cellular system, a connection interface to a local area network, and a receptacle for a Connection-Oriented Switched Telephony (COST) telephone line; and
wherein the selectable networks include two or more of a Public Switched Telephone Network (PSTN), a cellular telephone network, a Local Area Network (LAN) and an Internet Protocol (IP) packet network and the software enables data communication with the selected network via at least one of the physical interfaces for connecting to the selected networks.

### Claim 2 (depends on 1)

The device of claim 1 wherein the software, upon connection to a LAN, assigns a temporary IP address to the device for IP communication.

### Claim 3

A method for enhancing communication using a mobile device, comprising steps of:
(a) providing the mobile device with software from memory enabling user selection of a network for communication, including two or more of a Public Switched Telephone Network (PSTN), a cellular telephone network, a Local Area Network (LAN) and an Internet Protocol (IP) packet network and enabling implementation of transmission and receipt of data in a format compatible with the selected network;
(b) providing the mobile device with plural physical interfaces for connecting to individual ones of the selectable networks, the physical interfaces comprise two or more of a wireless interface to a cellular system, a connection interface to a local area network, and a receptacle for a Connection-Oriented Switched Telephony (COST) telephone line; and
(c) selecting a network by a user causing data transmission via the physical interface provided for the selected network.

### Claim 4 (depends on 3)

The method of claim 3 wherein the software, upon connection to a LAN, assigns a temporary IP address to the device for IP communication.