Proxima, Libra firmware ver. 2.12.xx
rev. 2.12.01
MODES: DISA and IVR
In the DISA mode (Direct Inward System Access), having dialled the number, an
external caller hears an announcement in the course of which they can tone-dial the
server extension number. The time devoted to dial an extension number is definite
and set in the computer program (for in Call schemes). The IVR (Interactive Voice
Response) mode is an extended DISA mode.
In order to use the DISA or IVR function, an outside caller must use a phone with
tone dialling (DTMF).
If an outside party is calling a server extension working in the DISA mode, the
procedure is as follows:
A server external number is dialled.
A welcome announcement is heard,
e.g. “This is .... Please tone-dial the extension number”
An extension number or a different number (as stated in the
announcement) is dialled.
The server establishes a call with the selected extension or Hunt Group.
After the DISA time has lapsed and the outside party has not dialled any extension
number, the server follows the scenario defined in the computer program.
4.1.2 Call queuing
Call queuing makes it possible to handle the calls directed to the Hunt Groups,
which, due to the Hunt Group members being busy with other ongoing calls,
cannot be answered at once.
Call queuing makes it possible to handle up to 40 excessive calls directed to the
Hunt Group through a call scheme. Queued callers may hear the information about
their position in queue and estimated waiting time.
Additionally, the selected numbers may be tagged as VIP, thus having a priority in
queue when Hunt Group members are busy.
Queue and VIP settings are made in Proxima/Libra computer programme.
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