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)
06/2003
06/12/2003WO2003049459A1 Service access and conferencing system and method in a telecommunications network
06/12/2003WO2003048959A1 Method and apparatus for building communication between agent desktop scripting applications and an outbound call software suite
06/12/2003WO2002091725A3 Enhancement of sound quality for computer telephony systems
06/12/2003US20030108182 Method and apparatus for intercept of wireline communications
06/12/2003US20030108176 Personal ip follow-me service
06/12/2003US20030108175 Method and system for callback in case of an emergency session
06/12/2003US20030108172 Internet call waiting with voicemail system that provides monitoring during recording
06/12/2003US20030108157 Speech analysis based answer detection for IP based telephones
06/12/2003US20030108064 Controlling or monitoring at least two communication systems by at least one application
06/12/2003US20030108020 Method and arrangement for signalling in a wireless IP multimedia network and a wireless IP multimedia network terminal device
06/12/2003US20030108002 System and method for establishing a conference call
06/12/2003US20030108000 Service access system and method in a telecommunications network
06/12/2003US20030107991 Congestion control system for VoIP network
06/11/2003EP1318686A1 Transmission timing for data packets transmitted from an internet terminal to a terminal in a cellular radio network
06/11/2003EP1318656A2 System for providing access to different resources with an equal characteristic
06/11/2003EP1318654A2 Method to control and/or to monitor from minimum two communicationsystems
06/11/2003EP1317836A1 Sharing of protocol processing
06/11/2003EP1021906A4 Method and apparatus for inquiry response via internet
06/11/2003CN1423905A Transmission of service control information via at least one intermediate station
06/11/2003CN1423903A Method and communications arrangement for realising user performance characteristic
06/11/2003CN1423889A System and method for controlling a wireless packet switched voice call
06/11/2003CN1423888A Method for providing an additional service for Internet users
06/11/2003CN1423882A A method and system for releasing a voice response unit from a protocol session
06/11/2003CN1423881A Method for linking networks of different modes of transmission and associated devices
06/10/2003US6578079 Communications node for providing network based information service
06/10/2003US6577718 Method for call forwarding without hairpinning and with split billing
06/10/2003US6577712 Distributed voice mail system
06/10/2003US6577648 Method and apparatus for determining VoIP QoS characteristics of a network using multiple streams of packets and synchronizing measurements of the streams
06/10/2003US6577637 Method, switching means and telecommunication systems for performing data communications between subscriber stations
06/10/2003US6577631 Communication switching module for the transmission and control of audio, video, and computer data over a single network fabric
06/10/2003US6577626 Telecommunications apparatus, system, and method with an enhanced signal transfer point
06/05/2003WO2003047230A1 Method and system providing access to a voice mail system
06/05/2003WO2003047205A1 A system for the unobtrusive interception of data transmissions
06/05/2003WO2003047178A2 Processing of telephony samples background
06/05/2003WO2003047136A1 Communication systems and qsig communications methods
06/05/2003WO2003014874A3 Providing voice over internet protocol networks
06/05/2003WO2002103977A3 Changing media sessions
06/05/2003US20030105392 Apparatus for measuring concentration of a specific ingredient in-situ
06/05/2003US20030103612 Method for call answering in a distributed communications system
06/05/2003US20030103607 System and method for providing an internet audio stream to a wap mobile telephone
06/05/2003US20030103606 Method and apparatus for telephonically accessing and navigating the internet
06/05/2003US20030103512 Voice data communication system
06/05/2003US20030103495 System for accessing different resources having the same identification code
06/05/2003US20030103493 Terminal supervising device
06/05/2003US20030103489 Multi-protocol agent telephone system
06/05/2003US20030103468 Multi-site teleconferencing system
06/05/2003CA2468618A1 Communication systems and qsig communications methods
06/04/2003EP1317123A1 A multi-site teleconferencing system
06/04/2003EP1317120A2 Transmission of call-related data in a CTI communication system
06/04/2003EP1316196A2 System and method for diagnosing a pots port
06/04/2003CN1422499A Telecommunications system with a packet-switching communications network and a method for operating the same telecommunication system
06/04/2003CN1422488A Terminal of a packet-switching communication network terminal and method for operating a telecommunication system with a packet-switching communication network
06/04/2003CN1422045A IP telephone apparatus and searching method of IP telephone apparatus
06/04/2003CN1110914C Adaptive random access protocal and dynamic searching tree expansion resolving for multi-station net
06/03/2003US6574480 Method and apparatus for providing intelligent emergency paging
06/03/2003US6574469 System and method of minimizing the number of voice transcodings during a conference call in a packet-switched network
06/03/2003US6574335 Method for simulating a ring back for a call between parties in different communication networks
06/03/2003US6574331 Method and apparatus for providing a call center in a network-base telephone system
06/03/2003US6574328 Telephone call control system for the public switched telephone network
06/03/2003US6574312 Electronic patch panel apparatus and method of use
06/03/2003US6574242 Method for the transmission and control of audio, video, and computer data over a single network fabric
06/03/2003US6574218 Method and system for spatially disjoint joint source and channel coding for high-quality real-time multimedia streaming over connection-less networks via circuit-switched interface links
06/03/2003US6574216 Packet data network voice call quality monitoring
06/03/2003US6573911 Communicating between stations
06/03/2003CA2302674C Improved call center apparatus and functionality in telephony
05/2003
05/30/2003WO2003045040A1 Sending voicemail messages to multiple users
05/30/2003WO2003044656A1 Methods and systems for intelligent routing based on presence detection and for multimodal presence detection
05/29/2003US20030101220 Associating multi-lingual audio recordings with objects in internet presentation
05/29/2003US20030099341 Method and system for providing access to a voice mail system
05/29/2003US20030099339 Telephone line management and environmental information monitoring system
05/29/2003US20030099333 System and method for providing voice messaging services utilizing a network connection
05/29/2003US20030099248 Processing of telephony samples
05/28/2003EP1314305A1 System and method for unified messaging in inter/intranet telephony
05/28/2003EP1314299A2 A communications terminal, a system and a method for internet/network telephony
05/28/2003EP0784899B1 Regional centrex
05/28/2003EP0663128B1 Telecommunications follow me services
05/28/2003CN1421104A Method for providing IP telephony with qualicy of service using end-to-end PSVP signaling
05/28/2003CN1421103A Method for providing IP telephony with qualicy of service using end-to-end PSVP signaling
05/28/2003CN1421083A Internet protocol telephony voice/video message deposit and retrieval
05/28/2003CN1421081A Method and system for dynamic gateway selection in IP telephony network
05/28/2003CN1421008A SIP-based feature control
05/28/2003CN1110174C 电信系统 Telecommunications systems
05/28/2003CA2392915A1 Method for providing access to a voice mail system
05/27/2003US6571212 Mobile internet protocol voice system
05/27/2003US6571094 Method and system for remote call forwarding of telephone calls from an IP connection
05/27/2003US6570890 Method for the transmission and control of audio, video, and computer data over a single network fabric using ethernet packets
05/27/2003US6570871 Internet telephone service using cellular digital vocoder
05/27/2003US6570869 Communicating voice over a packet-switching network
05/27/2003US6570868 System and method for establishing a communication connection
05/27/2003US6570855 Automatic call manager traffic gate feature
05/27/2003US6568919 Hydraulic pump manifold
05/27/2003CA2309185C In-band signaling for routing
05/22/2003WO2003043302A1 Communication method and communication system
05/22/2003WO2003042853A1 Method and system for computer-based private branch exchange
05/22/2003WO2003003157A3 Method and system for providing media services
05/22/2003WO2002082794A3 System and method for performing ip telephony
05/22/2003WO2002075475A3 Method and system for communicating voice over ip access networks
05/22/2003WO2002028079A3 User configurable system for handling incoming calls to users having multiple destinations adresses
05/22/2003WO2001089156A3 Card type network interface, network conference terminal device and system
05/22/2003US20030097466 Method for controlling incoming call directed to group in voice over internet protocol system
1 ... 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 ... 248