Aastra OpenCom X320 User Guide - Page 171
Synchronising the PC Clock, Configurator, SYS Configuration: System
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Configuring the PC Software Synchronising the PC Clock 4. Run a functionality test. To do this, start the NetMeeting program. Click on the call button. Under Address enter the IP address or DNS host name of a external station. Confirm your selection with Call. Note: If Firewall software is installed on the workplace computer, a warning will now appear. This shows that the computer is now ready to receive the NetMeeting. You must allow the NetMeeting, by activating the Do not show this message for this program again option for example. 14.7 Synchronising the PC Clock With the network service SNTP (simple network time protocol) it is possible to synchronise the internal clock of a PC with the time of the OpenCom X320. Requirements You must enter the time zone so that the OpenCom X320 can calculate the time of the internal clock back to the GMT (Greenwich Mean Time) required for SNTP: 1. Go to the Configurator, SYS Configuration: System menu. Click on Change. 2. Under Internet time (SNTP), enter the Time zone for which the time of the OpenCom X320 applies and whether summer time is allowed for. Confirm this with Assign. Configuring SNTP For various operating systems, you can use one of the numerous SNTP programmes offered for downloading on the Internet. Configure the OpenCom X320 as an SNTP server for such programmes. SNTP with Windows 2000 Here you configure the SNTP server as follows: 1. Log on as the administrator. Start the Command Prompt under Start: Programs: Accessories. 2. Enter the command line "net time /setsntp:192.168.99.254". Confirm with the enter key. This command changes the setting for the SNTP server address in the system registry. Close the command line. 169