227775 ⎘
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 network access arrangements or protocols
Sub-classes:ENUM server and congestion control method
#2System and method for filtering access points presented to a user and locking onto an access point
#3Systems and methods for identifying virtual communication platform users
#4Systems and methods for identifying virtual communication platform users
#5Switch device for use in gateway equipment and gateway equipment
#6System and method for filtering access points presented to a user and locking onto an access point
#7POTS extender for voice fallback in a subscriber line
#8Network switching system with asynchronous and isochronous interface
#9Dual network telephone device
#10Method and system for extended network access notification via a broadband access gateway
#11Method and apparatus for PSTN-based IP active call recovery and re-routing
#12Method and system for extended network access notification via a broadband access gateway
#13Route select service
#14MULTIPURPOSE DUAL-NETWORK ROUTER
#15Systems and methods for facilitating push-to-talk (PTT) communications using SIP-based messaging
#16Communication system, communication apparatus and terminal accommodation apparatus
#17Method and apparatus for PSTN-based IP active call recovery and re-routing
#18Method and system for extended network access notification via a broadband access gateway
#19Dual network telephone device
#20Resource assignment in a distributed environment
#21Accommodation of two independent telephony systems
#22Network switching system with asynchronous and isochronous interface
#23Systems and methods for providing a network conversion interface
#24HYBRID INTERNET PROTOCOL BASED SESSION CONTROL PROTOCOL AND PSTN COMMUNICATIONS
#25Remote VoIP phone
#26POTS Extender for Voice Fallback in a Subscriber Line
#27POTS extender for voice fallback in a subscriber line
#28Method, apparatus and computer program product for controlling access by a user's portable device to a facility directory
#29Mesh network telephone system
#30Telephone system having multiple distinct sources and accessories therefor
#31Telephone system having multiple distinct sources and accessories therefor
#32Telephone system having multiple sources and accessories therefor
#33Accessing messages stored in one communication system by another communication system
#34Telephone system having multiple distinct sources and accessories therefor
#35Connection type handover of voice over internet protocol call based low-quality detection
#36Adapter for accessing cellular services from a non-cellular device
#37IMS network access using legacy devices
#38System and method for filtering access points presented to a user and locking onto an access point
#39Network switching system with asynchronous and isochronous interface
#40Method for upgrading access equipment in a telecommunications exchange and an upgraded telecommunications exchange
#41Method, apparatus and computer program product for accessing a facility directory
#42Method and system for providing access via a first network to a service of a second network
#43Method and system for extended network access notification via a broadband access gateway
#44Resource assignment in a distributed environment
#45Modular integration of communication modalities
#46Accessing messages stored in one communication system by another communication system
#47Private telephone network connected to more than one public network
#48Methods and systems for per-session dynamic management of media gateway resources
#49Virtual contact center with flexible staffing control
#50Enabling additional endpoints to connect to audio mixing device