CONVERSip EP100 User
Direct Station Selection/Busy Lamp Field (DSS/BLF) Programmable buttons which allow the user one button to place intercom calls to other stations within your system; the button is sometimes referred to as a DSS button. Busy lamp field or BLF is a term for a light that identifies current call status of DSS station. See telephone layout drawings in Chapter 1 for location.
Do Not Disturb
A mode that disables incoming call ringing and intercom calling.
Dual Tone Multiple Frequency (DTMF)
The tones made by your telephone when you dial.
DXP, DXP Plus, FXS and FXT
Common Code Based Systems; DXP, DXP Plus, FXS and FXT Comdial
Communication Systems so named because the programmed function codes of these systems are interchangeable.
Dynamic Line Button
System temporarily assigns a normally unassigned line to an idle line button for certain call handling operations.
E
E&M Tie Lines
In telephony, a separate pair of leads to your station which are used by system operators for signaling and supervisory purposes.
Exclusive Hold
Only the telephone placing the call on hold can retrieve it.
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