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Technical Configuration MultiVOIP User Guide
142
FXO Supervision Parameter Definitions
Field Name Values Description
Disconnect Supervision fields
DTMF Tone Enables supervision of call
disconnection using DTMF
tones.
Low Tones
697Hz
770Hz
852Hz
941Hz
High Tones 1209Hz 1336Hz 1447Hz 1633Hz
DTMF Tone Pairs
1
4
7
*
2
5
8
0
3
6
9
#
A
B
C
D
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.