After pushing 103 the phone just beeps and does not go into time

To change the System Time using a display phone at extension 10 or 11:
Press Feature 00. Press System Program (Left Intercom button). Press System Program (Left Intercom button). Press # 103. Enter the time in 24-hour notation. For example, to set the time to 2:15p.m., press 1415. A display similar to the following appears:
System Time Data 1415 Note: The time will appear on system display phones as 2:15p.
Select another procedure or press Feature 00 to exit programming mode.

To change the System Time:

1. Press feature +(00)+(left intercom)+(left intercom)+#103 at extension 10 or 11.
2. Enter a new time in 24-hour notation. For example, to set the time to 2:15 p.m., press 1415.
   A display similar to the following appears:
   System Time
   Data 1415
   This time appears on system display phones as 2:15 p.
   
   to program speed dials, press feature + (00)
   press the button you want to program
   dial the number you want programmed, then press feature 00

This is done one extension 10 or 11
Feature 00
Left Intercom, Left Intercom
#101 enter date
#103 enter time
Feature 00 to exit programming.

Cheers

This has to be done on extension 10 or 11
Press Feature 00
Left intercom, left intercom
#101 enter date
#103 enter time
Feature 00 to exit programming

This has to be done from extension 10 or 11
Press Feature 00
Left Intercom, Left Intercom
#101 enter day
#103 enter tim
Feature 00 to exit
Cheers

1. Press feature +(00)+(left intercom)+(left intercom)+#103 at extension 10 or 11.
2. Enter a new time in 24-hour notation. For example, to set the time to 2:15 p.m., press 1415.
   A display similar to the following appears:
   System Time
   Data 1415
   This time appears on system display phones as 2:15 p.
3. Select another procedure, or exit programming mode.

From the phone at extension 10 or 11 press FEATURE 00 Left Intercom Left Intercom #103 and enter the 4 digit military time. (if you need it, the date is #101 in mmddyy format).

Press FEATURE to exit

Carl

From the phone at extension 10 or 11 press FEATURE 00 Left Intercom Left Intercom #103 and enter the 4 digit military time. (if you need it, the date is #101 in mmddyy format).

Press FEATURE to exit

Carl

Click there
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V

From extension 10 or 11
feature 00
left intercom
left intercom
#103
enter time
feature 00 to exit programming

you have to use this method from the main phone on your system