Ntp Server; Figure 59: Settings->Time Settings->Holiday - Grandstream Networks UCM6510 User Manual

Enter holiday "Name" and "Holiday Memo" for the new holiday. Then select "Month" and "Day". The system
administrator can also define days in one week as advanced options. Once done, click on "Save" and then
"Apply Change" for the holiday to take effect. The holiday will be listed in the web page as the figure shows
below.

Click on to edit the holiday.

Click on to delete the holiday.

Click on "Delete Selected Holidays" to delete multiple selected holidays at once.
Note:
For more details on how to use office time and holiday, please refer to the link below:
http://www.grandstream.com/sites/default/files/Resources/How_to_use_office_time_and_holiday_on_the_
UCM6XXX.pdf

NTP Server

The UCM6510 can be used as a NTP server for the NTP clients to synchronize their time with. To configure
the UCM6510 as the NTP server, set "Enable NTP server" to "Yes" under web GUI->Settings->Time
Settings->NTP Server. On the client side, point the NTP server address to the UCM6510 IP address or
host name to use the UCM6510 as the NTP server.
Figure 59: Settings->Time Settings->Holiday
UCM6510 IP PBX User Manual
P a g e | 90