User guide

Chapter 4—Configuring your VOIP
Multi-Tech Systems, Inc. 38
Field Name
Values
Description
Current Loss
Y/N
Disconnection to be triggered by loss of current. That is, when Current Loss
is enabled (“Y”), the MultiVOIP will hang up the call at a specified interval
after it detects a loss of current initiated by the attached device.
Current Loss Timer
200 to 2000
(in milliseconds)
Determines the interval after detection of current loss at which the call will
be disconnected.
Silence Detection
Enable
Y/N
Enables/disables silence-detection method of supervising call disconnection.
Silence Detection
Type
One-Way or
Two-Way
Disconnection to be triggered by silence in one direction only or in both
directions simultaneously
Silence Timer in
seconds
integer value
Duration of silence required to trigger disconnection.
Disconnect Supervision fields
DTMF Tone
Enables supervision of call disconnection using DTMF tones.
DTMF Tone Pairs
High Tones
Low Tones
1
2
3
A
697Hz
4
5
6
B
770Hz
7
8
9
C
852Hz
*
0
#
D
941Hz
1209Hz
1336Hz
1447Hz
1633Hz
Disconnect Tone
Sequence
1
st
tone pair
+
2
nd
tone pair
These are DTMF tone pairs.
Values for first tone pair are: *, #, 0, 1-9, and A-D.
Values for second tone pair are: none, 0, 1-9, A-D, *, and #.
The tone pairs 1-9, 0, *, and # are the standard DTMF pairs found on phone
sets. The tone pairs A-D are “extended DTMF” tones, which are used for
various PBX functions.
Tone Detection
Y/N
Enables supervision of call disconnection by detecting cessation of a pre-
specified tone from the PBX.
Available Tones
dial tone,
ring tone,
busy tone,
unobtainable tone (fast
busy),
survivability tone,
re-order tone
List from which tones can be chosen to signal call disconnection.
Disconnect
Tones
any tone from Available
Tones list
Currently chosen disconnection supervision tone.