Time division duplex wireless network and associated method using connection modulation groups

System, device and method for generating common actuatable options that initiate a plurality of actions

System and method for performing automated contact and information delivery

Time division duplex wireless network and associated method using connection modulation groups

Conference call system, method, and computer program product

Servicing calls in call centers based on estimated call value

Methods and apparatus for use in processing disconnected emergency calls and other communications involving mobile communication devices and the remote monitoring thereof

Conference call system, method, and computer program product

Time division duplex wireless network and associated method using connection modulation groups

Methods and apparatus for use in processing disconnected emergency calls and other communications involving mobile communication devices and the remote monitoring thereof

Support in HSS for emergency telecommunication services

Methods and apparatus for use in processing disconnected emergency calls and other communications involving mobile communication devices and the remote monitoring thereof

Emergency services for packet networks

Servicing calls in call centers based on estimated call value

PRIVATE BRANCH EXCHANGE SYSTEMS AND METHODS

Method for Routing Users to Contact Center Agents

Devices, systems and methods for proactive call context, call screening and prioritization

Methods, computer program products, and systems for providing called party initiated priority marking

Priority-based phone call filtering

Methods and apparatus for use in processing disconnected emergency calls and other communications involving mobile communication devices and the remote monitoring thereof

Time division duplex wireless network and associated method using connection modulation groups

Method and system for toll-free government priority telecommunication systems

Method and apparatus for improving call quality

Time division duplex wireless network and associated method using modulation groups

Priority telephone service reversion and notification

Barge-in capability for emergency call returns

Apparatus to override the redirect or reject feature at an SIP end point

Apparatus and method for establishing a priority call

Call priority management system for communication network

Automated group communication

Method and apparatus for enhancing speaker selection

Method and apparatus for entertaining callers in a queue

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

Terminal apparatus and received data display method

Method and system for floor control for group call telecommunications services

Apparatus and method for connecting a voice over IP telephone subscriber to the 911 emergency network

Method and system for enabling venues to selectively block incoming calls to cellular phones present in venue premises

Method and system for providing a camp-on service in telecommunications

Method of communication using push to talk scheme in mobile communication system

Audio teleconference system with wireless communication portable terminals

Telephone switching system and method for alerting for priority calls

Method for management of voice-over IP communications of various relative priority levels

Method and arrangement for registering a terminal device on a communications node

Dynamically assigning an automatic number identification (ANI) to a device deployed in a controlled-environment facility