METHOD AND SYSTEM FOR COMMUNICATION CONTROL

Method and system for communication control

Fault routing of an emergency communication

Method and system for providing backup push-to-talk function in stuck microphone condition

Fault routing of an emergency communication

Switch device for use in gateway equipment and gateway equipment

Fault routing of an emergency communication

Continuous call recording

Monitoring apparatus to monitor communication among terminal devices inside group, and storage medium

System and method for automatic communication distribution local assignment

Data processing in a digital subscriber line environment

Method and apparatus for communication having critically assured services

Fault routing of an emergency communication

Method and system with improved disaster recovery capability

Fault routing of an emergency communication

System and method for powering redundant components

POTS extender for voice fallback in a subscriber line

Systems and methods for seamless communications recovery and backup

System and method for encoding telephone call data using varying codec algorithms

System and method for efficient call management for directory assistance services

Provisioning system for network resources

System and method for transmitting a telephone call over the internet

TELEPHONE SYSTEM, GATEWAY FOR TELEPHONE SYSTEM, AND REDUNDANCY SWITCHING METHOD

Redundancy in voice and data communications systems

System and method for efficient call management for directory assistance services

SYSTEM AND METHOD FOR PROVIDING REDUNDANCY IN A DISTRIBUTED TELECOMMUNICATIONS ARCHITECTURE

Signaling System for Telecommunications

System and method for device registration replication in a communication network

TELEPHONE SYSTEM, GATEWAY FOR TELEPHONE SYSTEM, AND REDUNDANCY SWITCHING METHOD

Method and apparatus for routing calls to an alternative endpoint during network disruptions

Systems and methods for utilizing a spare switch in a distributed VOIP system

Redundancy in voice and data communications system

PERSONALIZED ASSISTANCE SYSTEM AND METHOD

Rerouting of trunks by a PBX to an alternate PBX

Method and apparatus for communication having critically assured services

Retablissement d'appel dans un serveur d'appel d'installation de telecommunications privee

Un-interrupted VoIP radio gateway services through clustering

DYNAMIC REROUTING OF VOIP SESSIONS

Data backup system

Circuit to provide backup telephone service for a multiple service access system using a twisted pair

Method and apparatus for reducing crosstalk between digital subscriber lines

Failover voice messaging

N-ways conference system using only participants' telephony devices without external conference server

Signaling system for telecommunications

Cross-Connect Arrangement and Switch Matrix

Apparatus for and method of detecting loss of signal in a radio frequency cable

Personalized assistance system and method

System and method for efficient call management for directory assistance services

Method For Securing The Communication Links And The Associated Charges In A Redundant Communication Network

Method for Transmitting Signalling Information Via a Network Limiting Element in a Communications Network

High availability for voice enabled applications

Connection recovery in a call center

POTS Extender for Voice Fallback in a Subscriber Line

POTS extender for voice fallback in a subscriber line

Portable telephone in a security network

Method and apparatus for communicating with one of plural devices associated with a single telephone number during a disaster and disaster recovery

Method for sharing resources over a network

Method for trunk line duplexing protection using a hardware watchdog

Method and apparatus for improving wireless network reliability

System and method for verifying subscriber data records in a telephone system

Clip for RFID transponder of a security network

Wireless Backup Telephone Device

Personalized assistance system and method

SS7 network having wireline and failover Internet protocol (IP) SS7 links

System and method for responding to an emergency at a call center

Fault tolerant single plane switch fabric for a telecommunication system

Backup of voice gateway

Method and apparatus for routing calls to an alternative endpoint during network disruptions

Method and system for failover capability for remote call center agents

Method and apparatus for re-routing calls in a packet network during failures

Network system and method for link failure recovery

Resilient registration with a call manager

Telephone system, switching system and management method of telephone system

Multi-level meshed security network

Component diversity in a RFID security network

Power management of transponders and sensors in an RFID security network

Fixed part-portable part communications network for a security network

Method and apparatus for delivering secured telephony service in a hybrid coaxial cable network

Method and system for channel management in a voice response system

Method and system for interactive voice response in a communications sytem

Methods, systems, and computer program products for substitution of card-based telephony bearer channel switch modules in a manner that preserves stable calls

Concept of zero network element mirroring and disaster restoration process

Method for upgrading access equipment in a telecommunications exchange and an upgraded telecommunications exchange

Failure tolerant high density dial router

Method for fast switchover and recovery of a media gateway

N-ways conference system using only participants' telephony devices without external conference server

Narrowband voice systems and methods

Telephony service system

Telephony distribution system

Distributed telecommunications architecture providing redundant gateways and IP device integration

Terminal connection device, connection control device, and multi-function telephone terminal

Systems and methods for providing pooled access in a telecommunications network

Peer to peer voice over IP network with distributed call processing

Personalized assistance system and method

Managing routing path of voice over internet protocol (VoIP) system

Multi-chassis broadcast router having a common clock

System and method for communicating with an out of service telephone number

System and method for processing and routing incoming calls to a communication assistance system

System architecture for internet telephone

Circuit to provide backup telephone service for a multiple service access system using a twisted pair

Telephone exchange apparatus and control method for telephone exchange apparatus

Provisioning system for network resources

Endpoint registration with local back-off in a call processing system

Method and apparatus for migrating to an alternate call controller

Method and apparatus for delivering secured telephony service in a hybrid coaxial cable network

Device and method for transferring unbundled network elements between local exchange carriers

Power management for IP PBX during power failure