
Chapter 45 VoIP
IES-1248-51V User’s Guide
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Cancel Click this to return this screen to its last-saved values.
Country This field displays the country you select from the Country
drop-down list box.
Law This displays either alaw or ulaw. The a-law companding
algorithm is commonly used in Europe, while the u-law (mu-
law or µ-law) algorithm is commonly used in the USA and
Japan.
Impedance Displays the line impedance or impedance range in ohms.
Loop Current (mA) Displays the supplied line current in milliamps.
Tax Type Displays the payphone charging signal type; metering (12/
16 Hz signal) or reversebattery (polarity reversal signal).
Ring Parameters This section displays region-specific information about the
phone’s ring.
Frequency (Hz) This displays the frequency of the phone ring in Hertz.
On Time 1 (second) This displays the duration of the first ring (in seconds).
Off Time 1 (second) This displays the length of time between the first and second
ring (in seconds).
On Time 2 (second) This displays the duration of the second ring (in seconds).
Off Time 2 (second) This displays the wait time after the second ring before the
first ring is sent again (in seconds).
Pulse Parameter This section displays region-specific information about pulse
dialling.
Flash Min / Max (ms) These display the minimum and maximum hook flash times.
Break Min / Max (ms) These display the minimum and maximum times for ending a
pulse.
Make Min / Max (ms) These display the minimum and maximum times for
beginning a pulse.
Inter-Digit Min (ms) This displays the minimum waiting time between pulsed
digits.
Meter Parameter This section displays region-specific information about call
metering.
Frequency (kHz) This displays the frequency of the call-metering tone (in
kilohertz).
On Time (ms) This displays the duration of the call-metering tone (in
milliseconds).
Off Time (ms) This displays the time between call-metering tones (in
milliseconds).
Caller ID Parameters This section displays region-specific information about caller
ID
CID Type This displays whether the caller ID information is sent before
the ring (prior ring displays) or at the same time as the ring
(during ring displays).
Table 114 VoIP > VoIP Port Setup > General
LABEL DESCRIPTION
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