 screen? Identify the average and maximum frame rates (in fps) supported by the product and call them out separately for each network type and speed (e.g., 14.4 Kbps modem, 112 Kbps, 384 Kbps, TCP/IP) and network type (e.g., serial lines, ISDN/switched 56, or LAN). Can the system capture a high-resolution still image? Can these images be stored for later use? What is the maximum number of images that can be stored and recalled? Describe the resolutions supported including the color- depth (8-bit, 24-bit, etc.). Describe, including both picture resolution information and line speed, the range of transmission times required to transmit a still image. Can three-dimensional (3-D) objects be displayed, or does the system support video graphics only? Does the product leverage existing PC hardware to enhance quality? Can the system accept input from audio or digital video sources to include pre- recorded clips or materials in a conference? Is time-based correction supported? Can conferees see each other and converse while collaborating on documents? What type of camera is included? Does it provide wide angle and close-up view? Where is it mounted on the device? Can it pan, tilt and zoom? What kind of microphone does the system include? How is it muted (manual, software-controlled, icon for activation and deactivation)? Can a telephone or speakerphone be used with the system? Does the system support a headset or earpiece? Does the system require a separate telephone line for audio? How (and how well) is audio synchronized with lip movement? How are audio echoes controlled? Video Communications: The Whole Picture Which video signals does it accept (NTSC, PAL, SECAM, S-Video)? Can the hardware be used for multimedia applications? Explain how video and audio input can be captured. Are additional boards required? Standards Compliance And Openness Look for signs that a supplier has complied, and will continue to comply, with standards. Since standards are not static, review the supplier's history of implementing the original 