Cisco Systems D14659.03 Network Router User Manual


 
Configuring general ISDN settings
Cisco TelePresence ISDN Gateway 2.1 Online help (Printable format) 71 of 135
Configuring general ISDN settings
These settings are global settings, which affect the configuration of the Cisco TelePresence ISDN
Gateway with regard to ISDN network type and options, and allowed call features. To access these
settings, go to Settings > ISDN.
Note that some ISDN configuration must be done on a port-by-port basis; see
Configuring ISDN ports
settings.
Refer to the sections below for assistance configuring the general ISDN settings. After making any
changes, click Apply changes.
Basic settings
Field
Field description Usage tips
ISDN
interface type
The ISDN network type to which the
ISDN Gateway is connected. Choose
from E1, T1 (USA and Canada), and
T1 (Japan) as appropriate.
E1 is usually used in the UK and mainland
Europe. T1 is usually used in the US and
Canada. T1 (Japan) is usually used in
Japan. Refer to your ISDN network
provider if you are unsure of which
interface type to select.
The ISDN Gateway may have to be
restarted for changes of this setting to take
effect (see
Shutting down the ISDN
Gateway).
ISDN switch
type
If the ISDN interface type is T1 or J1,
select the ISDN switch type. Choose
from:
National ISDN: default switch
type for use with the ISDN
Gateway
4ESS: a custom switching
protocol designed by AT&T
DMS-100: a custom protocol
used with Nortel network
infrastructure with T1
networks
This field only applies to ISDN Gateway
models that end with a 1, for example the
3201 or 8321.
This setting has no effect when the ISDN
Gateway is in leased line mode.
Select the ISDN switch type appropriate
for the ISDN switch to which the ISDN
Gateway is connected.
Leased line
mode
Select this option to configure the
ISDN Gateway to use leased line
mode. Only use this mode if your
ISDN Gateway is connected to a
permanent leased line connection.
When this setting is enabled, all PRIs will
be set to use leased line.
If you select or deselect Leased line mode,
you must restart the ISDN Gateway (see
Shutting down the ISDN Gateway).
Compatibility
Select the appropriate settings.
Send "sending complete": If
enabled (the default), the ISDN
Gateway will send a message to
the network when it has finished
sending the dial string. Some
networks require this but others do
not. Leave this enabled, but if you