Vertical

Adds or enables a PRI channel or line to be added to an existing Vertical Summit phone system. A PRI circuit is up to a 23 channel circuit

Provides Voice Mail memory expansion to an existing Vertical Sumit phone system Equipped with non volatile flash memory used to expand the capacity...

(w/o voice, per seat)

The Vertical Edge 700 24 Button Digital Phone Has a 3 line X 24 Character LCD 24 Flexible Buttons with Red & Green LED's Seven Fixed Buttons Three...

Adds 4 incoming lines and 16 analog or single line phone ports to an existing Verticl Sumit phone system