19
There is no facility to edit a character once
it has been confirmed. On completion of
entry of up to 18 digits, press the
YES
button to save the changes, and the
NO
button to abort the changes:
MENU : ISDN Dest Num 1
01256880123
Loopback
The C400xr can be configured to provide an
internal digital loopback of the compressed
audio signal prior to the X.21 / ISDN
interface. A loopback of the receive signal
also occurs as a result, enabling the units
to be tested independently. The loopback
function will automatically use the high-
est data speed supported.
NO
TE : The loopback function is not available when
operating in Dial On Audio, Backup Master, or
Backup Slave modes.
ISDN Country Options
There are a number of ISDN parameters
associated with different countries and
regions in the world, these can be readily
re-configured on the C400xr Codec.
Please refer to section ISDN Country
Options for full details.
Password Protection
The C400xr has two levels of password
protection to avoid accidental re-configu-
ration, the user can view all configuration
menus but is not allowed to make any
changes - the
YES
button is disabled. Edit
Lock enables ISDN calls to dialled and
hanged. Full Lock disables ISDN dial and
hang, however, incoming ISDN calls will
be answered.
MENU : Password
STATUS : Not Set
The
button is used to edit the Password
Level to one of the following: Not Set, Edit
Lock or Full Lock. The display changes as
follows:
MENU : Password
STATUS : Edit Lock
Press the
YES
button to confirm, and the
NO
button to abort.
Simple Menu
The Simple Menu option allows the users
to select the ISDN audio mode and enter
the ISDN telephone numbers quickly
without having to go through the full
menu structure. The original advance
menu options are accessible by disabling
(Off) the Simple Menu mode. Therefore,
parameters such as sub-addressing and
CLI can be specified if required.
MENU : Simple Menu
STATUS: Off
The
button is used to enable (On) or
disable (Off) the Simple Menu. Press the
YES
button to confirm, and the
NO
button
to abort.
Last Caller Identification
The C400xr can store the ISDN telephone
number of the last incoming call. This
feature requires Caller Line Identification
(CLI) to be enabled on the ISDN line,
which is usually provided as an option
when the ISDN line is installed. If Caller
Line Identification (CLI) is not enabled,
then the following will be displayed:
MENU : Caller ID
Null
If Caller Line Identification (CLI) is ena-
bled, then the ISDN number will be
displayed:
MENU : Caller ID
01256880123
Summary of Contents for C400xr
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