
Direct-in Lines (DIL)
The direct-in lines (DIL) feature provides a line appearance at a dedicated button on one or more multiline
telephones. The installer can assign a DIL to a proprietary single-line telephone where it provides one-way
(either incoming or outgoing) or two-way operation depending upon further programming action.
Direct Inward Dialing (DID)
DID Hunting
When a DID call rings at a station that the installer has disabled though programming action, the system
routes the call through the disabled station’s hunt list until it locates a group intercom for the call to ring.
Should all group intercoms be busy or should no one answer the call in a programmed number of rings, the
system then routes the call along the station’s call forwarding arrangement. With a hunt list containing up to
eight assigned group intercoms and access to each group intercom available to several system stations,
many users have an opportunity to service a DID caller. Coupling this flexibility with the station’s call
forwarding ability, provides many chances for system users to service DID calls. An installer could program
a hunt list and a call forwarding scheme to an unassigned station and provide a designated DID termination
and routing center. There would be no need to connect a telephone to the station port to use the feature in
this manner. The installer could arrange several DID termination centers to service different DID numbers.
Each DID number could represent different calling categories, and ring at different blocks of system
stations.
The system will accept multi-tiered day routing options. Installers may also assign day 1 and day 2
extensions. When the system is in the day 1 or day 2 modes and a call arrives, the system checks the
database for a day 1 or day 2 extension to ring. Should it not find an extension, it will ring the default
extension. The addition of this multi-tiered routing scheme does not effect the existing night mode routing
feature.
The system will also allow assignment of voice mail ID digits as a CO digit sequence. If installers program
a voice mail ID for the CO digit sequence, and the system forwards a call to voice mail, the assigned ID
identifies the destination voice mail box. Without an assigned voice mail ID or when the extension number
represents a hunt group, the system accepts the voice mail ID as the current programming specifies.
General Description 6 – 31
General Description GCA40–215
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