227778 ⎘
Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal where the types of switching equipement comprises PSTN/ISDN equipment and switching equipment of networks other than PSTN/ISDN, e.g. Internet Protocol networks Details of core network interconnection arrangements
Sub-classes:Voice enabled IoT using second line service
#2Voice enabled IoT using second line service
#3Transcoding avoidance during single radio voice call continuity (SRVCC)
#4Method, apparatus, and system for handover to circuit switched domain
#5OUTPUT CONTROL DEVICE, INTERCOM SLAVE UNIT, AND INTERCOM SYSTEM
#6Transcoding avoidance during single radio voice call continuity (SRVCC)
#7Call intent notification for establishing a call
#8Method, apparatus, and system for handover to circuit switched domain
#9Methods and systems for connecting isolated networks
#10Transcoding avoidance during single radio voice call continuity (SRVCC)
#11Voice conference call using PSTN and internet networks
#12Method, apparatus, and system for handover to circuit switched domain
#13Multi-mode mobile telephone terminal allowing the transfer of a telephone call from one wireless network to another
#14System architecture for linking packet-switched and circuit-switched clients
#15Central services hub for a telecommunications network
#16Voice conference call using PSTN and internet networks
#17Audio-video multi-participant conference systems using PSTN and internet networks
#18PBX mobility system with multiple call legs
#19Switching system and method of ringing session with CRBT
#20Client device method and apparatus for routing a call
#21Client device method and apparatus for routing a call
#22System architecture for linking packet-switched and circuit-switched clients
#23Call control
#24Method and apparatus for PSTN-based IP active call recovery and re-routing
#25System and Method for Routing a Message to a Mobile Device Associated with Multiple Communication Profiles
#26Client device method and apparatus for routing a call
#27Conversion system and method in multioperator environment
#28TELEPHONE SYSTEM, GATEWAY FOR TELEPHONE SYSTEM, AND REDUNDANCY SWITCHING METHOD
#29Method, communication device and computer-readable media for conveying an audio element to a user of a communication device during an outgoing call
#30METHOD, CALL PROCESSING SYSTEM AND COMPUTER-READABLE MEDIA FOR CONVEYING AN AUDIO STREAM TO A SOURCE DEVICE DURING AN OUTGOING CALL
#31METHOD, CALL PROCESSING SYSTEM AND COMPUTER-READABLE MEDIA FOR CONVEYING AN AUDIO ELEMENT TO A SOURCE DEVICE DURING AN OUTGOING CALL
#32Method, communication device and computer-readable media for conveying an audio stream to a user of a communication device during an outgoing call
#33Method and system for supporting shared local trunking
#34EARLY MEDIA AND FORKING IN 3PCC
#35Media based collaboration using mixed-mode PSTN and internet networks
#36SESSION-SPECIFIC SIGNALING FOR MULTIPLE ACCESS NETWORKS OVER A SINGLE ACCESS NETWORK
#37NETWORK COMMUNICATION SYSTEM FOR SUPPORTING NON-SPECIFIC NETWORK PROTOCOLS AND NETWORK COMMUNICATION METHOD THEREOF
#38Systems and methods for accessing voice transmissions
#39PBX mobility system with multiple call legs
#40System architecture for linking packet-switched and circuit-switched clients
#41TELEPHONE SYSTEM, GATEWAY FOR TELEPHONE SYSTEM, AND REDUNDANCY SWITCHING METHOD
#42Method and apparatus for PSTN-based IP active call recovery and re-routing
#43Systems and methods for accessing voice transmissions
#44Method and device for automatically configuring a virtual switching system
#45APPARATUS, METHOD AND COMPUTER PROGRAM PRODUCT FOR PROVIDING SELF ADAPTING TRANSPORT OF PUBLIC SWITCHED TELEPHONE NETWORK (PSTN) CIRCUITS OVER A WIRELESS NETWORK
#46MOBILE COMMUNICATION SERVICE BRIDGING
#47System and method for integrating an outgoing cellular call as an enterprise call
#48Telephone call processing method and apparatus
#49Client device method and apparatus for routing a call
#50Client device method and apparatus for routing a call
#51SYSTEMS AND METHODS FOR CALL ROUTING
#52Cable telephony network supporting roaming VoIP terminals
#53Service exchange in a VoIP to telephony bridging network
#54Distributed server function in a VoIP to telephony bridging network
#55MULTIMEDIA CONTENT EXCHANGE ARCHITECTURE AND SERVICES
#56INTERACTIVE MULTIMEDIA EXCHANGE ARCHITECTURE AND SERVICES
#57MULTIMEDIA STREAMING AND GAMING ARCHITECTURE AND SERVICES
#58Core network interoperability in a pico cell system
#59Infrastructure for enabling high quality real-time audio
#60Distributed edge switching system for voice-over-packet multiservice network
#61Network architectures for a voice over internet protocol service
#62Call redundancy for a packet-based network
#63Publicly-switched telephone network signaling at a media gateway for a packet-based network
#64System of providing communication service via client representatives and the method of the same
#65Method and system for supporting shared local trunking
#66Media communication system, and terminal apparatus and signal conversion apparatus in said system
#67System and method for servicing calls originating via the Internet
#68LAN telephone system
#69Media gateway and automatic telephone call redirecting service system
#70Voice integrated VOIP system
#71Call establishment method