'Convergence' is the buzzword and UC provides an innovative solution to implement VoIP technology in your business application for online collaboration. VoIP in general, relates with IP based telephony services, which enables the transmission of voice through Internet or any packet switched networks. However, UC's VoIP implementation caters to all the communication needs of your business. Implementing the VoIP module in your business application will facilitate high quality audio conference over the internet. VoIP services are location independent allowing you to operate your business from any part of the world. The integration with other services on the internet like transfer of data in parallel with conversation, video/audio conferencing is the other key differentiators of this service. A VoIP web conference or video conference is a set of synergistic telecommunication technologies that simultaneously enable a two-way video and audio transmission between two or more locations. VoIP web conference services are better known as visual collaboration and are a type of community group service.

The Key features of UC's VoIP implementation includes:

• Audio Codec - The coder converts an audio single into a compressed digital form for transmission and the decoder converts the audio single back into its uncompressed form for replay. UC's codec for its Voice over IP module uses low bandwidth and has a very low encoding / decoding time.
  
  
• Audio Mixer - UC uses a mixer that can convert simultaneous audio signals from multiple streams to a single file for playback.
  
  
• Packet Sequencer - The data packets in transit through the internet may not reach in the correct order at its destination. UC's uses an advanced packet sequencer that sequences the packets, so that the receiver module can identify the out-of-sequence packets.
  
  
• Quality of Service - UC's VoIP module supports ongoing QoS management techniques and protocols.
  
  
• Silence Detector - When there are no voice signals, the silence detector suppresses packet transmission through the network. UC uses an innovative model, which is based on the capturing power of the microphone for silence detection. The silence detector uses filter algorithms for noise elimination.
  
  
• Noise Suppressor - UC Speech filters uses algorithms that are designed to filter noise from signals comprising of both speech and surrounding noise. These filters are effective against 'stationary' broadband noises (Noise produced by computer fans, vehicle engines and automobiles), whose amplitude and pitch varies slowly compared to the spectral fluctuations that are characteristic of human speech. Therefore, depending on the changes in background 'stationary' noise, UCF adapts to these changes and continues to filter the noise.
  
  
• Echo Cancellation - A full-duplex communication system can produce acoustic echoes due to the open-air path between the loudspeaker and the microphone. The echo cancellation feature of UC monitors the changes in the acoustic path and effectively eliminates the echo, providing better sound clarity.
  
  
• Voice Recognition Enhancer - The VRE is an algorithm that helps filter noise from speech. This is implemented in the speech recognition systems used in noisy environments to enhance its accuracy and speed. UC's VRE was developed to improve the hit rates and response times of speech recognition applications. It also provides noise reduction and is effective as a pre-processor for speech recognition systems.
  
  
• Presence Information - This feature is used to indicate, if a user is (or not) available to take a call or data session and accommodate multiple concurrent multimedia sessions.
  
  
• Concurrence - UC engine also supports concurrence that allows the user to switch between or maintain simultaneous voice call, document collaboration and web chat sessions.
  
  
• Firewall compatibility - UC uses an advance VoIP technology that is compatible with your corporate firewall and need not open any ports for information exchange.

The use of UC's VoIP will take you to a whole new realm of virtual office, where you need not be at your office location. Imagine, receiving your important calls, checking your e-mail, sharing your applications or even conducting a seminar or a video conference from the comfort of your home. A whole new concept of Unified Communication is in the making with the convergence of Audio/Video conferencing along with email, instant messaging, desktop sharing and IP phone in one platform. Integrating ERP applications with UC's VoIP technology helps businesses reduce telecommunication costs while increasing the efficiency and productivity of the application. UC has helped businesses transform the concept of real time unified messaging to real time unified communications.

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