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The Polycom IP 321 is an enterprise grade IP phone based on the SIP protocol
With the addition of the BDKS1A daughter board
or Smaller Break Out Rooms
The PA-MC-T3 contains the following features:
12 Programmable Buttons with LED Status Indicator
Crestron DMC-CAT-DSP Input Card with Down-mixing Power Supply The Polycom IP 321 isCrestron DMC CAT DSP Input Card with Down mixing Description: The Crestron DMC CAT DSP is an input card designed to work in Crestron's DigitalMedia switchers. The DMC CAT DSP provides support for one transmitter connected to a Crestron DigitalMedia switcher. The card includes built in down mixing (down sampling abilities) that allows for simultaneous 7. 1 surround sound and stereo sound to come from the same source. The Crestron DMC CAT DSP can be
