User's Manual

HandyTone 286 User Manual Grandstream Networks, Inc.
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Disable Call
Waiting
Default is Not.
Send DTMF
This parameter controls the way DTMF events are transmitted.
There are 3 ways: in audio which means DTMF is combined in
audio signal (not very reliable with low-bit-rate codec), via RTP
(RFC2833), or via SIP INFO.
Send Flash
Event
This parameter allows the user to control whether to send an SIP
NOTIFY message indicating the Flash event, or just to switch to the
voice channel when the user presses the Flash key.
NTP server
This parameter defines the URI or IP address of the NTP server
which the IP phone will use to display the current date/time.
Time Zone
This parameter controls how the displayed date/time will be adjusted
according to the specified time zone.
Daylight
Savings Time
This parameter controls whether the displayed time will be daylight
savings time or not. If set to Yes, then the displayed time will be 1
hour ahead of normal 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 disable.
6.2.3 Saving the Configuration Changes
Once a change is made, the user should press the “Update” button in the Configuration
Menu. The IP phone will then display the following screen to confirm that the changes
have been saved.