Chapter 4: Configuring your VOIP
Multi-Tech Systems, Inc. 48
FXO Supervision Parameter Definitions (continued)
Field Name
alues 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
s
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.
