The VT20-2420 is an Accessory Handset for use with either the VT20-2431or VT20- 2481 GIGAPHONE system. You must have one of these 2-Line models in order to use the VT20-2420 Accessory Handset. This manual is designed to familiarize you with the VT20-2420 Accessory Handset setup, registration and basic functions.
vt20-2420 2-4 GHz 2-Line Telephone
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