Vortex EF2201 Telephone Interface - Polycom Part # 2200-82201-001 - Includes Power Supply, User Manual, Software, 15' Telco cable. The Vortex EF2201 is the next generation of DSP-based conference telephone interfaces. It features a complete digital interface to other Vortex products using a single cable analog input and output connections are not required. In addition to providing crystal-clear telephone audio to all participants in a meeting, the EF2201 significantly reduces background noise coming in on the telephone line to keep unwanted sounds from interfering with your conference. The full cross point matrix allows users to determine how the input and output signals will be used throughout a system. Settings are configured using the Conference Composer software (provided) and can be stored as user presets. Features of the Polycom Vortex EF2201 Telephone Interface:
Telephone hybrid with noise cancellation for adding phone calls to conferences
Fully digital connection to other EF2200 series products - does not require an analog input / output
Front panel LCD provides status and menus for control
256 speed dial memory
Country-specific telephone configuration settings allow use almost anywhere
Selectable auto-hang-up via loop drop and/or progress tone detection
Automatic gain control on receive telephone audio path for consistent receive audio
Compression limiting on transmit telephone audio path
User-set entry and exit tones give you the option to hear a pleasant tone when callers enter or leave the conference
