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| Number | Title | Issue Date |
| 6839340 | Network session management A communication system providing telephony communication across combined circuit switched and packet switched networks, such as a telephone network and the Internet, which are connectable to terminals, such as telephones and computers, for selective communication th... | 01/04/2005 |
| 6744860 | Methods and apparatus for initiating a voice-dialing operation Hands free voice dialing telephony devices that can perform relatively simple speech recognition, e.g., to recognize one or a few words corresponding to a command to initiate voice dialing, are described. Speech recognition models stored in the telephony devices can... | 06/01/2004 |
| 6697461 | Methods and apparatus for providing call screening and other communication services Call screening is provided by a call processing method, involving detecting a first call directed to the premises of a service subscriber requesting call processing instructions from a service control point in response to the first call, operating the ser... | 02/24/2004 |
| 6625170 | Telecommunications network A system and method for controlling on a worldwide basis two or more telecommunications networks which are themselves capable of exercising a form of common channel signaling network control. The system uses an architecture in which a destination telecomm... | 09/23/2003 |
| 6430275 | Enhanced signaling for terminating resource An internetwork (such as the Internet) telephony system and method incorporating architecture and methodology which facilitates a high degree of scalability. The scalability provides improvement dealing with usage recording, usage pricing, billing account... | 08/06/2002 |
| 6427006 | Methods and apparatus for servicing directory assistance calls requesting non-published number information Methods and apparatus for providing operator services to callers in a fully or partially automated manner are disclosed. In addition, the present invention is directed to methods and apparatus for providing new telephone services, e.g., the forwarding of ... | 07/30/2002 |
| 6424636 | Variable rate and variable mode transmission system A public switched telephone network (PSTN) provides communication of digital data from a data provider or LAN to one or more of a plurality of subscriber premises. Asymmetrical digital subscriber line interface units operating at variable rates and in var... | 07/23/2002 |
| 6421428 | Flexible ANI In various forms of telephone network signaling, automatic number identification information (ANI) includes a field of two or more `information` (II) digits, typically used to indicate a calling line attribute, such as hospital line, residential line, pay... | 07/16/2002 |
| 6411681 | Traffic track measurements for analysis of network troubles A monitoring system captures and processes messages from SS7 links, to compile call detail records (CDRs) for all interoffice call attempts. The CDRs are uploaded into a relational database. A data preparation operation utilizes external information to en... | 06/25/2002 |
| 6400707 | Real time firewall security A system and method for conducting a voice communication through a hybrid network which includes a packet internetwork, such as the Internet, connected to a circuit switched telephone network. The packet internetwork is connected to the switched telephone... | 06/04/2002 |
| 6385301 | Data preparation for traffic track usage measurement A monitoring system captures and processes messages from SS7 links, to compile call detail records (CDRs) for all interoffice call attempts. The CDRs are uploaded into a relational database. Automatic Message Accounting (AMA) records also are accumulated ... | 05/07/2002 |
| 6377562 | Wireless asymmetric local loop (WASL) communication A wireless, cellular radio link is provided from a base station to a plurality of subscriber stations within a cell reception area. Information data, which may be of textual, video or other format, are communicated asymmetrically as high bandwidth transmi... | 04/23/2002 |
| 6351453 | Internet service provider (ISP) finder Specialized telecom network users who burden the network, such as Internet Service Providers (ISPs), are identified by analysis of network traffic data to identify addresses (e.g. telephone numbers) for destinations receiving unique patterns of incoming t... | 02/26/2002 |
| 6330308 | Voice mail system for obtaining forwarding number information from directory assistance systems having speech recognition A voice mail system today offers a user the option to forward a message that he or she has reviewed, alone or along with a message recorded by the user. However, to forward the message, the voice mail system needs to receive the telephone number of the pa... | 12/11/2001 |
| 6330250 | Telecommunications network A system and method for controlling on a worldwide basis two or more telecommunications networks which are themselves capable of exercising a form of common channel signaling network control. The system uses an architecture in which a destination telecomm... | 12/11/2001 |
| 6317493 | Automated system and method for subscriber line service control A signal band width limiter is provided in a telecommunication path that includes a leased unbundled subscriber line. The limiter may be a programmable active filter such as a digital signal processor in which filter characteristics are set under control ... | 11/13/2001 |
| 6298123 | Interconnect traffic tracking Local exchange carriers (LECs) face increasingly stiff competition. The LECs provide interconnect services for many of the potentially competing carriers. To forecast business trends and manage its network, any carrier, particularly a LEC, needs to effect... | 10/02/2001 |
| 6295292 | Inbound gateway authorization processing for inter-carrier internet telephony A communication system providing telephony communication across combined circuit switched and packet switched networks, such as a telephone network and the Internet, which are connectable to terminals, such as telephones and computers, for selective commu... | 09/25/2001 |
| 6292481 | Inter-carrier signaling and usage accounting architecture for internet telephony A communication system providing telephony communication across combined circuit switched and packet switched networks, such as a telephone network and the Internet, which are connectable to terminals, such as telephones and computers, for selective commu... | 09/18/2001 |
| 6292479 | Transport of caller identification information through diverse communication networks A voice call is transported through diverse network paths including a switched telephone network and a wide area data internetwork, for example, the Internet. In routing the call, common channel signalling is used to provide data identifying a calling sub... | 09/18/2001 |
| 6292478 | Telecommunications system A public switched telephone network utilizing program controlled switching systems controlled by common channel interoffice signaling (CCIS) is arranged in an architecture to provide a methodology to permit a caller to set-up and carry out a telephone cal... | 09/18/2001 |
| 6289010 | Inbound gateway authorization processing for inter-carrier internet telephony A communication system providing telephony communication across combined circuit switched and packet switched networks, such as a telephone network and the Internet, which are connectable to terminals, such as telephones and computers, for selective commu... | 09/11/2001 |
| 6285745 | Analog terminal internet access A system and method of affecting transfer of a message such as a voice message from one centralized messaging system in a first switched telephone network to a centralized messaging system in a remote second switched telephone network wherein each of said... | 09/04/2001 |
| 6282574 | Method, server and telecommunications system for name translation on a conditional basis and/or to a telephone number An enhanced name translation server, for use on a packet data network such as the Internet, executes a conditional analysis in response to at least some queries or requests for name translations. For example, the server may return a different destination ... | 08/28/2001 |
| 6282267 | Network planning traffic measurement program In a public switched telephone network, real time monitors on SS7 links will collect interoffice signaling messages. A site processor compiles data from the signaling messages relating to individual calls, to form call detail records (CDRs) for all intero... | 08/28/2001 |
| 6272126 | Internetwork telephony with enhanced features Interconnect traffic between local exchange carrier (LECs) networks and other carrier networks, particularly competitive local exchange carrier (CLEC) networks, dictates a need for efficient monitoring and analysis of the interconnect traffic. In accord w... | 08/07/2001 |
| 6246875 | Use of cellular digital packet data (CDPD) communications to convey system identification list data to roaming cellular subscriber stations An analog cellular voice telephone system and subscriber stations associated therewith are controlled to conserve power and to provide alternate service carriers. Acquisition of all of the service carriers is facilitated through the use of system identifi... | 06/12/2001 |
| 6246695 | Variable rate and variable mode transmission system A public switched telephone network (PSTN) provides communication of digital data from a data provider or LAN to one or more of a plurality of subscriber premises. Asymmetrical digital subscriber line interface units operating at variable rates and in var... | 06/12/2001 |
| 6243832 | Network access server testing system and methodology A network access test system includes a test computer system having a modem bank coupled to a network access server via a telephone switch. The network access server is coupled to one or more host computer systems, preferably over a local area network. Th... | 06/05/2001 |
| 6243374 | Telecommunications custom calling services using voice mail A telephone network provided with an Internet connection and a call routing and control data base connected to the Internet is further provided with multiple geographically separated voice messaging systems connected to the Internet. Calls through the tel... | 06/05/2001 |
| 6240337 | Flywheel reserve power for outside plant of a communication network To eliminate problems caused by the use of batteries for back-up power in outside plant facilities of a communication network or the like, the batteries are replaced with flywheel reserve power systems, in accord with the invention. Specific applications ... | 05/29/2001 |
| 6240094 | Statistical time division multiplexer for a wireless asymmetric local loop communication system A statistical time division multiplexer facilitates distribution of data from various sources through a wireless transmission system to a plurality of subscriber stations within a cell reception area. Controlled logical token passing governs a variable to... | 05/29/2001 |
| 6233313 | Call detail reporting for lawful surveillance A lawfully authorized electronic surveillance operation requires reporting of detailed call data for a variety of calls associated with the subject of the surveillance. For at least some specified calls to or from the subject, the invention provides profi... | 05/15/2001 |
| 6233234 | Secure LAN/internet telephony A system and method for providing telephony communication through a packet switched data network such as the Internet and an organization having telephone and computer terminals connected to a local area network. Selectable security is provided for the te... | 05/15/2001 |
| 6233315 | Methods and apparatus for increasing the utility and interoperability of peripheral devices in communications systems Methods and apparatus for increasing the utility and interoperability of peripheral devices such as, voice mail devices and voice dialing platforms, used in communications systems are described. Methods of efficiently providing speech recognition function... | 05/15/2001 |
| 6229887 | Advanced intelligent network (AIN) functionality for electronic surveillance Following the Communications Assistance for Law Enforcement Act (CALEA), the FBI developed a standard set of communication services and interfaces. for lawfully authorized electronic surveillance, for both call data recording and content recording. Existi... | 05/08/2001 |
| 6229880 | Methods and apparatus for efficiently providing a communication system with speech recognition capabilities Methods and apparatus for providing speech recognition capability to callers in a cost efficient manner as part of one or more telephone services are described. Multiple speech recognition units with differing capabilities and therefore implementation cos... | 05/08/2001 |
| 6226359 | Voice mail source address indentification blocking In a voice messaging system, voice mailboxes can be designated as private boxes from which boxes messages can be forwarded, with their source identities concealed, to destination mailboxes. Communication of messages may be between remote VMS systems as we... | 05/01/2001 |
| 6215858 | Analog terminal internet access A system and method of effecting transfer of a message such as a voice message from one multipurpose, multimode centralized messaging system in a first switched telephone network to a multipurpose, multimode centralized messaging system in a remote second... | 04/10/2001 |
| 6215855 | Loop certification and measurement for ADSL The present invention involves a transmission of a known signal over a line intended for a digital subscriber line (xDSL) service, measurement of a resulting waveform received through the line and processing of the received signal to derive a set of eigen... | 04/10/2001 |
