
Extended DTMF Tones
The installer can program the length of the DTMF tones associated with automatically or manually
dialed numbers on analog telephones. This feature allows the system to access equipment such as
answering machines, banking computers, voice mail equipment, that requires DTMF tones longer
than the defaulted 80 msec. tone. To use the feature, the user programs the digits that require longer
DTMF tones into speed dial locations or waits until the DTMF dialing time threshold exceeds the
limit.
Extended DTMF Tones For ExecuMail
The installer can set different DTMF tones for ExecuMail Stations. The system defaults the length to
80 msec., but the installer can set other tone lengths as needed.
External Paging Interface (External Paging Port)
The external paging port, available on the services circuit board, provides an interface for external
paging equipment. When the installer assigns the external paging port to a paging zone,
announcements to that zone are sent through the external paging equipment installed at the port.
When the installer assigns one of the relays that are available on the central processor unit circuit
board to the paging zone, it provides a dry-contact actuation for the duration of the page to that zone.
Typically, the installer wires the system so that this actuation enables the external paging equipment
while the paging signal is sent through it.
The installer can program a line port as an external paging interface for an external paging amplifier.
When this feature is available, station users access the amplifier by selecting that line port. The
paging line port accepts dialed DTMF tones to make a zone selection if the amplifier provides this
function. When the installer assigns a flexible ringing assignment to the external paging port, the
external paging equipment responds to a ring signal and sounds the ringing over the paging
loudspeaker. The installer can assign one of the common audible ringer interface relays to track the
ring signal that is supplied to this external paging port. Typically, the installer wires this relay so that
its contact actuation enables the paging equipment.
Also refer to the discussions titled Auxiliary Ringer Interface, Common Audible Ringer Interface,
Flexible Ringing Assignments, Line Answer From Any Station, and Night Transfer (Of Ringing).
F
Feature Inhibit
The installer can disable a large array of individual features to provide a very basic telephone system
when it is necessary. A basic system might be necessary at a site where a large proportion of the
telephones are accessible to unauthorized users that may use them to tamper with the system, or such
a system may be necessary for locations where users only need a narrow range of features to do their
job.
Understanding the Features – 99
General Description GCA40–242
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