Revation Communicator, previously called CommunicatorLive is a SIP

Session Initiation Protocol

The Session Initiation Protocol is an IETF-defined signaling protocol widely used for controlling communication sessions such as voice and video calls over Internet Protocol . The protocol can be used for creating, modifying and terminating two-party or multiparty sessions...

-based User Agent client application that provides secure, real-time, unified communications and collaboration for enterprises and contact centers. The capabilities include presence information

Presence information

In computer and telecommunications networks, presence information is a status indicator that conveys ability and willingness of a potential communication partner—for example a user--to communicate...

, instant messaging

Instant messaging

Instant Messaging is a form of real-time direct text-based chatting communication in push mode between two or more people using personal computers or other devices, along with shared clients. The user's text is conveyed over a network, such as the Internet...

, web conferencing

Web conferencing

Web conferencing refers to a service that allows conferencing events to be shared with remote locations. Most vendors also provide either a recorded copy of an event, or a means for a subscriber to record an event. The service allows information to be shared simultaneously, across geographically...

, VoIP voice services, secure mail, file transfer, video, and desktop sharing. Revation Communicator is written in C++

C++

C++ is a statically typed, free-form, multi-paradigm, compiled, general-purpose programming language. It is regarded as an intermediate-level language, as it comprises a combination of both high-level and low-level language features. It was developed by Bjarne Stroustrup starting in 1979 at Bell...

.

Features

Revation Communicator establishes a secure connection to a SIP

Session Initiation Protocol

The Session Initiation Protocol is an IETF-defined signaling protocol widely used for controlling communication sessions such as voice and video calls over Internet Protocol . The protocol can be used for creating, modifying and terminating two-party or multiparty sessions...

 server for providing the following features:

• rich presence
• rich-markup chat / instant messaging
• Voice-over-IP (VoIP softphone
  Softphone
  A softphone is a software program for making telephone calls over the Internet using a general purpose computer, rather than using dedicated hardware. Often a softphone is designed to behave like a traditional telephone, sometimes appearing as an image of a phone, with a display panel and buttons...
  
  )
• traditional PBX features such as transfer (supervised and blind), hold, park
• video
• emoticons
• group and multi-way multimedia conference
• web-based multimedia chat help center
• local or centralized contact list management
• contact business cards
• desktop sharing
• file transfer
• contact center agent capability
• secure and compliant architecture

As of August 2011, Revation Communicator is at version 5.3.

Session Window

Revation Communicator by default uses a single tabbed window for sessions/chats/calls: