NEC Univerge SV9100, Особенности и характеристики

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Direct Inward Line (DIL)
Description
A Direct Inward Line (DIL) is a trunk that rings an extension, virtual extension or Department Group
directly. Since DILs only ring one extension or group (i.e., the DIL destination), employees always know
which calls are for them. For example, a company operator can have a Direct Inward Line for
International Sales Information. When outside callers dial the DIL telephone number, the call rings the
operator on the International Sales line key. The DIL does not ring other extensions.
There are 400 available trunks, 64 Department Groups, 960 extensions and 512 virtual extensions.
DIL Delayed Ringing
Extensions in a Ring Group can have delayed ringing for another extension DIL. If the DIL is not
answered at its original destination, it rings the DIL No Answer Ring Group. This could help a Technical
Service department, for example, that covers calls for an Inside Sales department. If the Inside Sales
calls are not answered, they ring to the Technical Service department.
Conditions
If unanswered, a DIL without delayed ringing rings an extension until the outside party
hangs up.
If a DIL rings a Department Group and all agents are busy, the system routes the call as
follows:
1. The trunk rings the overflow destination assigned in Program 22-08.
2. If there is no 22-08 assignment, the call rings according to the Ring Group assignments in
Program 22-04 and Program 22-05.
3. If none of the destinations in steps 1~2 above are available, the call continues to ring until a
destination becomes free.
The DIL follows call forwarding programming, even to voice mail.
When a call is transferred by Call Forwarding
– No Answer, Call Forwarding – Busy, or
DND, the Reason for Transfer can display at the transferred extension.
You can place DILs in trunk groups to make outgoing DIL calls easier.
If a DIL destination extension is in DND, an incoming call rings according to Ring Group
programming (Program 22-05 then Program 22-08).
If a user puts the telephone in Do Not Disturb, calls routed to the telephone in DND do not
follow call forwarding.
A user can activate Group Call Pickup to intercept a DIL ringing another extension.
Program a name for a DIL in Program 14-01-01. This makes it easier to identify the
incoming call.
If a multiline terminal is busy, a second incoming DIL call provides Call Alert Notification,
depending on chassis programming. The second DIL call waits in line for the user to
answer the call. The outside caller hears ringback tone while this occurs.
If an extension has a line key for a DIL, the call rings the key. If not, the call rings an