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Technical Configuration MultiVOIP User Guide
144
E&M Interface Parameter Definitions
Field Name Values Description
Interface E&M enables E&M functionality
Type Types 1-5. Refers to the type of E&M
interface being used.
Mode 2-wire or 4-wire Each E&M interface type can be
either 2-wire or 4-wire audio.
Signal Dial Tone or
Wink
When Dial Tone is selected, no
wink is required on the E lead
or M lead in the call initiation or
setup.
When Wink is selected, a wink
is required during call setup.
Wink Timer
(in ms)
integer values,
in milliseconds
This is the length of the wink
for wink signaling.
Applicable only when Signal
parameter is set to “Wink.”
No Response
Timer
integer values (in
seconds)
The value here denotes the time
(in seconds) after which the call
attempt would be disconnected
by the FXO Interface because
there was no answer.
Disconnect on
Call Progress
Tone
Y/N
Allows call on FXO port to be
disconnected when a PBX issues a
call-progress tone denoting that
the phone station on the PBX that
has been involved in the call has
been hung up.
Pass Through
Enable
Y/N When enabled (“Y”), this
feature is used to create an open
audio path for 2- or 4-wire. The
E&M leads are passed through
the voip transparently.
Applicable only for E&M
Signaling with Dial Tone (not
applicable for Wink signaling).