Patents
Patents for H04M 3 - Automatic or semi-automatic exchanges (99,881)
12/1999
12/22/1999EP0966144A2 Apparatus method and system for providing information to a called party in multiple leg telecommunication sessions
12/22/1999EP0966143A2 Apparatus method and system for controlling the start of alerting of multiple leg telecommunication sessions
12/22/1999EP0966142A2 Apparatus method and system for controlling secondary treatment by a distant switch for multiple leg telecommunication sessions
12/22/1999EP0966141A2 System and method for remote updating of a call number transforming designation
12/22/1999EP0966140A2 Telecommunication exchange
12/22/1999EP0966135A2 Coding for discrete multitone transmission
12/22/1999EP0966134A2 Digital subscriber line communicating system and a transceiver in the system
12/22/1999EP0965218A1 Communication system
12/22/1999EP0965214A1 Method and apparatus for telephone intercom doorbell response system
12/22/1999EP0965204A1 Access to telecommunications networks in a multiservice environment
12/22/1999EP0965196A1 Method and system for protecting equipment and switching functionality in a telecommunication system
12/22/1999EP0682836A4 Sound localization system for teleconferencing using self-steering microphone arrays.
12/22/1999CN1239624A System controlled asymmetrical automatic repeat request protocol method
12/22/1999CN1239623A Broadband network and method
12/22/1999CN1239617A Telephonic systems for communication over computer networks
12/22/1999CN1239372A Method and device for preventing fraudulent use of telephone
12/22/1999CN1047706C Method for performing continuity check in electronic exchange system
12/22/1999CA2275276A1 In-home network for distributing data
12/21/1999US6006189 Method and apparatus for storing and forwarding voice signals
12/21/1999US6006094 Method of routing an international call to a foreign mobile subscriber
12/21/1999US6005941 Method and apparatus for providing optional service functions in a private branch exchange
12/21/1999US6005934 Simulating changes in telephone subscriber line
12/21/1999US6005933 Method for communication with no power feed and exchange for realizing the method
12/21/1999US6005932 Dynamic schedule profiler for ACD
12/21/1999US6005931 Negotiated routing in telephony systems
12/21/1999US6005930 Apparatus, method and system for controlling secondary treatment by a distant switch for multiple leg telecommunication sessions
12/21/1999US6005929 Method of providing services to subscribers of a telephone network
12/21/1999US6005928 Method and system for automatic distribution addressing
12/21/1999US6005927 Telephone directory apparatus and method
12/21/1999US6005922 Voice mail system and method of inter-voice mail system communication
12/21/1999US6005920 Call center with fault resilient server-switch link
12/21/1999US6005874 Method of processing messages in a secure communications system having a plurality of encryption procedures, and such a secure communication system
12/21/1999US6005873 Apparatus and method for concurrent voice and data transmission
12/21/1999US6005870 Method for called party control of telecommunications network services
12/21/1999US6005848 Method and apparatus for a talkgroup call in a wireless CDMA system
12/21/1999US6005847 Method and apparatus for facilitating communication between multiple platforms via single, multi-channel communication conduit
12/21/1999US6005845 System and method for IP-activated call setup
12/21/1999CA2197676C User authentication in a communications network
12/21/1999CA2188790C Data communications device to selectively operate as an analog modem, a digital modem, and a terminal adapter
12/21/1999CA2182316C Interaction of routing features in a telephone system
12/21/1999CA2175495C A caller name and identification communication system with caller screening option
12/19/1999CA2275561A1 Communication system and method increasing security
12/19/1999CA2275042A1 Method for offering and keeping ready network capacity as well as network management unit for implementing the method
12/19/1999CA2275006A1 Method, server and communications node for setting up fee-optimized communications connections
12/16/1999WO1999065256A2 System and method for delivering e-mail notification to mobile phones
12/16/1999WO1999065254A1 Flexible call routing system
12/16/1999WO1999065252A2 Implementation of call-center outbound dialing capability at a telephony network level
12/16/1999WO1999065250A2 Synchronization of atm-based network system using variable bit rate atm adaptation layer protocols
12/16/1999WO1999065216A1 Universal messaging system
12/16/1999WO1999065215A1 Method for managing an automatic telephone information service and adapted automatic information system
12/16/1999WO1999065214A1 Multimedia managing and prioritized queueing system integrated with intelligent routing capability
12/16/1999WO1999065211A1 Telephony line test unit and method
12/16/1999WO1999065179A2 System and method for communicating voice and data over a local packet network
12/16/1999WO1999064957A1 Call center agent interface and development tool
12/16/1999WO1999057875A3 Method of updating terminal software in a telephone system
12/16/1999WO1999057823A3 Determining the quality of telecommunication services
12/16/1999DE19919364A1 Automatisiertes Anrufdurchschaltungssystem Automated call switching through system
12/16/1999DE19825659A1 Verfahren zur Abfrage gespeicherter Rufnummerninformationen Method to query the number is saved information
12/16/1999CA2334513A1 Multimedia managing and prioritized queueing system integrated with intelligent routing capability
12/16/1999CA2334213A1 System and method for communicating voice and data over a local packet network
12/15/1999EP0964590A2 Visual interface to mobile subscriber account services
12/15/1999EP0964567A2 A programmable telecommunications interface for communication over a data network
12/15/1999EP0964566A2 Voice processing system
12/15/1999EP0964565A1 Call handling mechanism
12/15/1999EP0964564A2 Method to query stored subscriber numbers information
12/15/1999EP0964563A2 Redundant call processing
12/15/1999EP0964562A1 Telephony control mechanism
12/15/1999EP0964560A1 Method and system for terminal mobility
12/15/1999EP0964553A1 Network resource server
12/15/1999EP0964531A1 Cell selection in a mobile satellite system using time delay and Doppler shifts to determine the position of the user
12/15/1999EP0963678A2 Redundancy, expanded switching capacity and fault isolation arrangements for expandable telecommunications system
12/15/1999EP0963662A1 Procedure for ensuring the activation of a v5 interface
12/15/1999EP0963661A2 Intelligent e-mail interface
12/15/1999EP0963659A2 Procedure for releasing connections
12/15/1999EP0963653A1 A method relating to telephone communications including the transmission of advertising messages
12/15/1999EP0963652A2 Method and apparatus for conferencing in an expandable telecommunications system
12/15/1999EP0963651A1 Apparatus for storing voice messages in a wireless telephone system
12/15/1999EP0963650A1 Message system
12/15/1999EP0963648A2 Communication system with improved access network
12/15/1999EP0963646A2 E-mail server for message filtering and routing
12/15/1999EP0963632A2 Frame alignment of test signals in a communications network
12/15/1999EP0948864A4 Interoffice broadband communication system using twisted pair telephone wires
12/15/1999EP0886925A4 Audio-video conferencing system
12/15/1999EP0761062B1 A conferencing system
12/15/1999CN1238883A Signal processing apparatus
12/15/1999CN1238882A Subscriber controlled call list deregistration
12/15/1999CN1238881A General interface system
12/15/1999CN1238877A System and method for interfacing local communication device
12/15/1999CN1238872A Telecommunications system
12/15/1999CN1238653A Visual interface to mobile subscriber account services
12/15/1999CN1238648A Radio paging receiver with error indicating function
12/15/1999CN1238636A Apparatus and method for permitting temporary use of telephone number
12/15/1999CN1238635A Device for measuring external voltage of connecting line in consumer connecting module
12/15/1999CN1238634A Fault-tolerant method and device able to recognize connect/disconnect signals
12/15/1999CN1238624A Communications system and method of controlling same
12/14/1999US6003070 E-mail system and interface for equipment monitoring and control
12/14/1999US6002941 Method and apparatus for implementing a service in a wireless communication system
12/14/1999US6002779 Automated voice message system and method
12/14/1999US6002762 Method and apparatus for making nonintrusive noise and speech level measurements on voice calls
12/14/1999US6002760 Intelligent virtual queue