Polycom VVX Color Expansion Module for Adtran 7000 Series System Platform.
Compatible with VVX 300, 310, 400, 410, 500 and 600. Includes AUX cable and attachment hardware.
Features:
- 4.3" TFT (480 x 272) LCD screen
- 28 illuminated bi-color programmable line keys
- 3 Page View soft keys to access additional contacts
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1 year Warranty.
Install and service at an additional charge.