Patents
Sitemap › H04 - Electric communication technique › H04M - Telephonic communication › H04M 7 - Arrangements for interconnection between switching centres
Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777)
12/2003
12/10/2003EP1368943A1 Apparatus and method for network-initiated real-time multi-party communications
12/10/2003EP1368933A1 Packet switched network voice communication
12/10/2003EP1368741A2 System and method for identifying and establishing preferred modalities or channels for communications based on participants' preferences and contexts
12/10/2003EP0801858B1 Multimedia central office and method of providing a plurality of multimedia telecommunication services
12/10/2003CN1130894C Method for automatically adapting levels of signal exchanged in communication network
12/09/2003US6662367 Poly-phase filters in multicarrier communication systems
12/09/2003US6662006 Method and apparatus for providing calling number identification alias in communications system
12/09/2003US6662005 Data access in a telephone system
12/09/2003US6661884 One number, intelligent call processing system
12/09/2003US6661883 Method and apparatus allowing remote key system units to interoperate
12/09/2003US6661878 Method and apparatus for establishing a voice call to a PSTN extension for a networked client computer
12/09/2003US6661779 Dial up telephone conferencing system controlled by an online computer network
12/09/2003CA2270043C Network resource server
12/04/2003WO2003101079A1 Systems and methods for call screening
12/04/2003WO2003101032A1 Method and device for echo in a communications network__
12/04/2003WO2003100993A2 Integrated access device
12/04/2003WO2003085914A3 Billing system for services provided via instant communications
12/04/2003WO2003021912A3 Arrangement for the provision of messages and dialogues in packet networks
12/04/2003US20030224821 Telephone system
12/04/2003US20030224815 Method and apparatus for wideband conferencing
12/04/2003US20030224795 Circuit switched cellular network to internet calling with internet antennas
12/04/2003US20030224780 System and method for dynamically establishing optimum audio quality in an audio conference
12/04/2003US20030223568 Method and apparatus for automatically directing calls by an invisible agent in a switch
12/04/2003US20030223564 Technique for enhanced information assistance call routing
12/04/2003US20030223461 Computer implemented communication apparatus and method
12/04/2003US20030223443 Apparatus and method to compensate for unsynchronized transmission of synchrous data using a sorted list
12/04/2003US20030223426 Handling a request to establish a packet switched session
12/04/2003US20030223407 Computer implemented voice over data communication apparatus and method
12/04/2003US20030223403 Method and apparatus for Voice-over IP services triggered by off-hook event
12/04/2003CA2485688A1 Systems and methods for call screening
12/03/2003EP1367807A1 Method for location based routing of communications
12/03/2003EP1367806A1 Exchange system
12/03/2003EP1366607A1 System architecture for linking packet-switched and circuit switched clients
12/03/2003EP1366601A1 System for establishing and maintaining a connection
12/03/2003EP0972394B1 Interconnection of telephone exchanges via a computer network
12/03/2003CN1459960A Reusable multi-protocol unit system structure of IP voice reproducing
12/03/2003CN1130056C Method for notifying existing of E-mail to E-mail user
12/02/2003US6658101 Interface device for communication between an external network subscriber's terminal installation and an internal network
12/02/2003US6658100 Method and apparatus for communicating information about a called party to a calling party
12/02/2003US6658093 System and method for real-time, personalized, dynamic, interactive voice services for travel availability information
12/02/2003US6658090 Method and system for software updating
12/02/2003US6658022 Signaling protocol for controlling voice calls in a packet switching network
12/02/2003US6658020 Voice data exchange system
12/02/2003US6657997 Transporting ABCD bits using RTP
12/02/2003US6657996 Apparatus and method for improving voice quality by removing tandem codecs in a voice communication link
12/02/2003US6657995 Circuit connecting unit in integrated network
12/02/2003US6657994 Uninterrupted transfer of voice telephony service to derived voice technology
12/02/2003US6657992 System and method for providing service control to a single telephone end terminal from multiple service providers
12/02/2003CA2242958C Communicating network resource locators to customer premises equipment using modified ring access
11/2003
11/30/2003CA2429915A1 Technique for enhanced information assistance call routing
11/29/2003CA2429878A1 Method for alternate routing of communication connections
11/27/2003WO2003098886A1 Virtual end-to-end coder/decoder capability in h.323 gateways
11/27/2003WO2003098849A2 End user control of a teleconferencing network through a data network
11/27/2003WO2003009550A3 Method and apparatus for establishing a call through a packet based network
11/27/2003WO2003005664A3 Method and apparatus for resolving an entity identifier into an internet address using a domain name system (dns) server
11/27/2003WO2002102015A3 Common services and applications agent
11/27/2003WO2002082722A3 Alternate routing of voice communication in a packet-based network
11/27/2003US20030219114 Method and device for handling echo in a communication network
11/27/2003US20030219103 Call-content determinative selection of interception access points in a soft switch controlled network
11/27/2003US20030219029 Systems and methods for multiple mode voice and data communications using intelligently bridged TDM and packet buses and methods for performing telephony and data functions using the same
11/27/2003US20030219009 Method and system for tunneling wideband telephony through the PSTN
11/27/2003US20030219007 Reusable multi-protocol meta-architecture for Voice-over-IP playback
11/27/2003US20030219006 Virtual end-to-end coder/decoder capability in H.323 gateways
11/27/2003CA2486357A1 End user control of a teleconferencing network through a data network
11/26/2003EP1365568A1 Method and system for tunneling wideband audio through the PSTN
11/26/2003EP1365558A2 Reusable multi-protocol meta-architecture for voice-over-ip playback
11/26/2003EP1364523A1 Separation of basic call functions and service provision in ip networks
11/26/2003EP1364520A2 Methods ans systems for automatically registering complaints against calling parties
11/26/2003EP1364501A2 Method and system for evaluating the quality of packet-switched voice signals
11/26/2003CN1459170A Method of providing packet voice call service in wireless communication network and network architecture therefor
11/26/2003CN1459062A System and method for identifying and establishing preferred modalities or channels for communications based on participants preference and contexts
11/25/2003US6654815 Contact server for call center
11/25/2003US6654722 Voice over IP protocol based speech system
11/25/2003US6654459 Enhanced agent authentication in virtual contact center
11/25/2003US6654457 Call centre
11/25/2003US6654456 Multi-service communication system and method
11/25/2003US6654455 IP conference telephone system compatible with IP-PBX systems
11/25/2003US6654378 Transaction control system including portable data terminal and mobile customer service station
11/20/2003WO2003096711A1 Method for detecting calls and corresponding units
11/20/2003WO2003096666A1 Device to terminate a modem relay channel directly to an ip network
11/20/2003WO2003096665A1 Method and system for preventing data loss in a real-time computer system
11/20/2003WO2003096648A1 Dynamic call control
11/20/2003WO2003096642A2 Device for modem relay channel termination
11/20/2003WO2003096629A1 Method and device for modem relay termination
11/20/2003WO2003096189A1 Real time streaming media communication system with improved session detail collection
11/20/2003WO2002049326A3 Gateway adapter for a pbx system
11/20/2003US20030217099 Method and system for supporting the communication of presence information among computing devices of a network
11/20/2003US20030216145 Method of providing directional assistance to a telephone subscriber
11/20/2003US20030215080 Presence-aware private branch exchange (PBX)
11/20/2003US20030215079 Communication system
11/20/2003US20030215078 Systems and methods for call screening
11/20/2003US20030215077 Call-to-make reminder system
11/20/2003US20030215068 System and method for seamless audio retrieval and transmittal during wireless application protocol sessions
11/20/2003US20030215063 Method of creating and managing a customized recording of audio data relayed over a phone network
11/20/2003US20030214971 System and method for mapping a PSTN trunk to a packet network endpoint
11/20/2003US20030214942 Web-based computer telephony integration and automatic call distribution
11/20/2003US20030214941 Method and apparatus for internet access which bypass local central end office using digital loop carrier and permanent signal treatment procedures
11/20/2003US20030214940 Internet telephony system for enabling internet telephone access from traditional telephone interface
11/20/2003US20030214939 Method and apparatus for providing life line service to access gateway telephony subscribers
11/20/2003CA2484260A1 Device to terminate a modem relay channel directly to an ip network
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