Call Transfer; Caller Id; Camp On; Direct Inward System Access (Disa) - Comdial DSU II User Manual

Call Transfer

Transferring a call from one station to another. The transfer
can be screened, i.e., you find out who is calling and announce
them to the party being called; or unscreened, i.e., you transfer
the call without identifying the calling party to the called party.

Caller ID

Allows station users to view the originating line number of
incoming calls before they are answered.

Camp On

Process that allows a user to wait for a busy or idle line to
become available and immediately be called back by the sys-
tem; also allows users to send a tone to busy telephone to
notify the station that a call is waiting.
Class of Service (COS) Programming
Customized programming of your system by the installer that
establishes the basic operating parameters of the system and
individual stations.
D

Direct Inward System Access (DISA)

An enhancement option that allows outside callers to directly
call a station or access certain internal system features, includ-
ing all line groups and ARS. To prevent fraudulent access and
unauthorized use, the caller must use an authorization code
and system access code to gain access to outside lines as well
as many of the advanced telephone features.
September, 02
Industry Standard Telephone User's Guide
Comdial 35