Administrator’s Guide for the VSX Series
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3. Select and configure these settings:
4. Select and configure these settings:
Setting Description
Prefix Lets you specify the dialing prefix required to reach an
outside line.
Calling Profile Lets you specify what data communications equipment is
connected to the network interface. The system
automatically displays the default prefixes, suffixes, and
calling speeds required by that device.
If your device is not listed, select Custom.
Speed Lets you define the prefixes or suffixes to use for each
speed used in a Custom Calling Profile. For information
about required prefixes and suffixes, see the
documentation that came with the device.
If you choose a predefined Calling Profile, this
information is supplied for you.
Setting Description
ST Lets you specify the signaling required by the external
device connected to the system. Specify normal or
inverted, as appropriate. In most cases, normal signaling
is appropriate.
RT
RTS
CTS If your system is connected to Ascend equipment, you
may need to set CTS to Ignore.
DSR
DCD
DTR
Answer on DSR Specifies that the system should begin the call when it
detects a DSR signal.
Delayed DCD
Hangup
Specifies how long the system waits to end the call after
a DCD signal is lost (for example, during a call via
satellite).
DTR Pulse Duration
(secs)
Specifies how long the DTR signal goes low after the far
site hangs up. When the pulse is too short, the call may
not clear.
If your system is connected to ADTRAN equipment, you
may need to adjust DTR pulse duration.
Trigger Call on H.320
Data
Specifies whether the call starts when H.320 data is
detected at the V.35 interface while set for direct
connect.
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