If a problem occurs on the ISDN telephone
exchange, and some of the ISDN calls are
terminated, the codec will automatically drop back
and use the data bandwidth on the remaining ISDN
calls to give the best possible audio circuit. The
codec can be configured to give priority to either
Audio Bandwidth or Stereo image, when deciding
what operating mode to drop back to.
Auto Hunt
MENU: ISDN Auto Hunt
Off
The C510xr/C520xr can be configured to
automatically detect the audio format of the
incoming call and re-configure its mode to match.
The re-configuration is only for the duration of the
incoming call, the codec will revert back to the
original configuration when the call is terminated. A
valid audio signal is required on the inputs to the
codec to ensure correct operation.
G711 Receive
MENU: ISDN G711 Receive
Off
The C510xr/C520xr can be configured to receive
G711 (analogue telephone) calls.
ISDN Channel 1 to 4 Options
MENU: ISDN CH1 Options
The ISDN parameters associated with each ISDN B
Channel can be changed. The C510xr has 2 ISDN B
Channels available and the C520xr has 4 ISDN B
Channels. The following 3 option menus are
repeated for all available Channels.
ISDN Remote Address
MENU: CH1 Rem Address
The ISDN Remote Address (telephone number) can
be entered using the numerical keypad. The
button backspaces to edit a number once it has
been confirmed. On completion of entry of up to 23
digits, press the YES button to save the changes,
and the NO button to abort the changes.
MENU: CH1 Rem Address
01256880123
ISDN Remote Sub-Address
MENU: CH1 Rem Subaddress
The ISDN Remote Sub-Address can be entered
using the numerical keypad. The
button
backspaces to edit a number once it has been
confirmed. On completion of entry of up to 6 digits,
press the YES button to save the changes, and the
NO button to abort the changes.
MENU: CH1 Rem Subaddress
1
ISDN Local Sub-Address
MENU: CH1 Loc Subaddress
The ISDN Local Sub-Address can be entered using
the numerical keypad. The
button backspaces to
edit a number once it has been confirmed. On
completion of entry of up to 6 digits, press the YES
button to save the changes, and the NO button to
abort the changes.
MENU: CH1 Loc Subaddress
2
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