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MultiVOIP User Guide Technical Configuration (Analog/BRI)
265
ISDN-BRI Parameter Definitions (continued)
Field Name Values Description
Dialing
Options
Inter Digit
Timer
(value in
milliseconds)
Dialin
g
options are relevant when the
MultiVOIP provides dial tone either during
an overlap receiving mode or providing a
second dial tone. Default is 2000, which is 2
seconds. Range 250 ms to 10000 ms (1/4 sec
to 10 sec).
Switch Information
Country see table
below
Countr
y
in which MultiVOIP is operatin
g
with ISDN.
Operator see table
below
Indicates phone switch manufacturer/model
or refers to telco so as to specify the switching
system in question.
ISDN is implemented somewhat differently
in different switches (different software stacks
are used).
PCM Law
A-Law or
MU-Law
A-Law is an analo
g
-to-di
g
ital compression
/expansion standard used in Europe.
MU-Law is the North America standard.
Refer to the PCM-Law defaults based on
country and operator below.
TEI n
Assignment
Terminal or
Network or
both
Automatic
(Point-to-
Point)
Network –
Automatic
(Point-to-
Multipoint)
Fixed (Point-
to-Point (0-
63) TEI 0 &
TEI 1 active
TEI (Terminal Endpoint Identifier) is a
number to uniquely identify each device
connected to the ISDN. TEI Assignment
displays the value for each TEI assigned to
the BRI port. Depending on the layer 1
interface selection (Terminal or Network) and
the country selection, some fields are grayed
out (inactive) as they have no meaning for
this configuration. The TEI range is zero to 63
for Fixed and 64 to 126 for Automatic
assignment.
An interface in Network mode has the added
option of Point-to-Multipoint Automatic TEI.
This added option should be used in cases
where the interface, or BRI port, has one or
more terminal devices connected to it. This
option may also help resolve some problems
that occur when set for Point-to-Point
Automatic TEI, even with only one terminal
device connected to the interface. Point-to-
Point Automatic TEI is then to be used when
there is one network device and one terminal
device, default setting. When selecting Fixed
TEI, the connection must be Point-to-Point,
one network and one terminal device.