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snom 821 User Manual Customizing the Phone Settings
◦ Select "on" to have the time on the phone's display shown in 24-hour format, 00:01 to 24:00 .
◦ Select "off" to have the time on the phone's display shown in AM/PM format, 0:01AM to
12:00PM.
2. Click on "Apply" and "Save".
Time zone
The phone receives the time and date from your NTP time server. If the time and/or date on the display
are incorrect, you may need to set the correct time zone. If you have set the correct time zone and the
time is still incorrect, there may be a problem with the time server. Contact your network administrator
or your IP provider.
The list of time zones is arranged by the difference in hours (+/-) to the UTC and, within each time
zone, alphabetically by selected locations (country or country and city).
Selecting and setting the time zone:
On the phone
1. Press > 1 Preferences > 1 Time Zone.
◦ Press to collapse the list to show only selected times zones where the phone language is
spoken.
◦ Press to show all time zones.
◦ Press to fast-forward to the beginning of the next time zone, i.e., UTC +1, +2, etc.
◦ Use to scroll.
2. Press to save your selection
3. Press for two seconds to return to the idle screen.
On the web interface
This setting can be accessed in administrator mode only.
1. Open the phone's web interface, Advanced > Network tab > Time > Timezone.
2. Select your timezone/country/city from the drop-down list.
3. Click on "Apply" and "Save".