The TTUnet Digital Video Network uses Polycom & Codian Technology.

 
Supported Protocols   Video Specifications
     
  • H.323/T.120
  
  • H.261 and H.263-compliant Standards Plus Video
   
  • H.281 Far End Camera Control (FECC)

 

  
  • FCIF and QCIF
   
  • 30 FPS

  

Audio Specifications
   
Standard Plus Audio Algorithms Supported
   
  • Full-Duplex
  • G.711 3.4 kHz
  • Background Noise Suppression
  • G.725 3.4 kHz
  • Multi-Band
  • G.722 7 kHz
  • Floating Point
  • Adaptive echo cancellation
  • Echo cancellation convergence time: 200 milliseconds

 

                                     Supported Line Speeds (Kbps)

  • 128

  • 384

  • 512

  • 768