User guide

Chapter 4 – Configuring Your MultiVOIP
MultiVOIP® Voice/Fax over IP Gateways 51
FXO Supervision Parameter Definitions (continued)
Field Name
Values
Description
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.