3Com SuperStack 3 NBX Administrator's Manual page 229

Table 39 Modify ATA Fields (continued)
Field
Silence Suppression
Call Record & Monitor
Low Bandwidth
ADPCM Audio Only
Conference Disabled
Fax Machine
Return busy tone when
device is in use
6 Click Apply to effect the changes.
7 Click OK.
Connecting and Managing Analog Devices
Purpose
Enables the Silence Suppression feature, which reduces
network traffic by replacing a period of silence with a
small silence indicator packet.
Determines whether calls made to or from the telephone
attached to this ATA can be recorded.
Enabled — Enables recording for all calls to or from the
analog telephone attached to this ATA or ATC port.
Disabled — Disables recording for all calls to or from the
analog telephone attached to this ATA or ATC port.
Configures the device to operate over a low-bandwidth
link as a convenience for telecommuters at remote sites.
Restricts the ATA to support ADPCM audio only.
NOTE: Fax devices require Mulaw audio.
Prevents this device from being used for conference calls.
Alerts the PSTN that voice data must be uncompressed.
Select this to send or receive faxes over ISDN PRI lines.
Returns a busy tone to the caller if the telephone
attached to this ATC port or ATA is in use.
NOTE: If you enable this check box and the user enables
the Do Not Disturb feature on the analog telephone,
callers hear a busy tone whether or not the telephone is
in use.
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