Grandstream Networks Grandstream HandyTone HandyTone-488 - Manual (Page 27)

HandyTone-488 User Manual Grandstream Networks, Inc.
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Disable Call
Waiting Default is No.
Polarity Reversal Default is No. If set to Yes, polarity will be reversed upon call
establishment and termination.
NTP server This parameter defines the URI or IP address of the NTP server which
is used by the HandyTone ATA to display the current date/time.
Send Anonymous
If this parameter is set to “Yes”, the “From” header in outgoing INVITE
message will be set to anonymous, essentially blocking the Caller ID
from displaying.
Lock keypad
update If this parameter is set to “Yes”, the configuration update via keypad is
disabled.
Special Feature • Standard
• Nortel MCS
• Broadsoft
• Howdy
WAN side http
access If this parameter is set to “No”, the HTML configuration update via WAN
port is disabled.
PSTN access
code This field allows users to customize their own code to access the PSTN
line. Default is “*00”.