Basic Features; Additional Features - Nortel DMS-100 Series Installation, Operation And Maintenance Manual

Basic features

Every Business Set has the basic features described below.
Automatic Prime Directory Number (PDN) selection
Allows the user to select the prime DN (i.e. the DN assigned to the first
feature/line key) by going off-hook to answer a call without pressing a DN
key.
On-hook dialing
Allows the user to select a line and dial the call without lifting the handset.
Once the party answers, the handset must be lifted to speak.
Listen on hold
Activated by pressing the Hold key (associated LCD flashes), placing the
handset back in its cradle, and re-selecting the line to be monitored
(associated LCD on).
Alerting tones
Warble tone sounds when the telephone is on-hook, 500 Hz local buzzer tone
sounds when the telephone is off-hook and the associated LCD indicator
flashes.

Additional features

In addition to the basic features, the M5316 provides the following features:
LCD Screen
Two rows of 24 alphanumeric characters can be displayed.
Handsfree calling
Allows the user to carry on a telephone conversation without lifting the
handset (applies to both the originating and answering a call).
Microphone muting
Allows the user to listen to a call without the other party being able to hear
any sound from the user.
Automatic Answer Back (AAB)
This is an optional feature which can be provided with or without a dedicated
feature key. When installed, AAB allows an incoming call to the PDN to be
answered automatically after one ring. Conversation takes place through the
integrated handsfree functions without manually controlling the telephone.
Operations and features 3-5
297–2011–214 02.01 Standard February 1999