The BIS voice terminal (Figure
●Handset
●Touch Dial Pad (not DTMF)
●
●Test/Program Switch (two positions)
—
●
●Speakerphone Volume Control
●
●Speaker/Ringer Volume Control
●Nine Predefined Buttons
—Conference
—Drop
—Transfer
—Hold
—Speakerphone
—Recall
—Message
—Microphone
—HFAI
●34 Feature Buttons (only 12 have associated LEDs)
—Two predefined as System Access
—32 programmable (default assignments for V1 are Repertory Dial [3], Flex DSS [27], Send All Calls [1], and Account Code Entry [1]; in V2, one Repertory Dial button is replaced by Last Number Dialed)
Note: The programmable buttons without LEDs should not be programmed for features that require
Adjunct:
● 502A Headset Adapter (PEC