connections. It contains a ringing generator to generate a ringing signal for the IST
devices.
Area Paging Interface
Any station user can dial a special code number in response to an all-call or zone page
and be connected to the paging party in a private conversation. All-call or zone paging is
provided to the stations through the station class of service programming.
See also, Paging.
Assist Button
This feature allows a station user to program a button to be used for sending a message to
an LCD speakerphone. Once programmed, the station user can press the ASSIST button
at anytime to sound a tone burst at the called station and present a preprogrammed
message in the station display. The user can send a message while on a call without
alerting the distant party. This feature is useful for requesting assistance while engaging
on a call. For example, a customer service representative could request assistance from a
supervisor while talking to a problem caller. The supervisor, upon receiving the tone and
noting the display message, could perform an executive override or service observing
action to join the call or monitor it.
See also, Messaging.
Automatic Callback
If a telephone user encounters a busy tone or a ring no-answer after calling an intercom
station, She or he can dial a special code number that will cause the system to
automatically ring both the user’s telephone and the one that he or she was calling. This
automatic callback occurs after the busy station becomes idle or after the user at the ring
no-answer station takes some action at it that indicates to the system that it is available to
be answered. No class of service programming is required to enable this feature.
See also, Intercom.
IMI66–107
Digital Telephone System
Digital Telephone System Features A – 5
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