Question about Panasonic KX-T7453 Corded Phone
The manual day/night switch can be made from the operator ext (usually 101). This will over-ride the preset schedule.
[SHFT], [FEAT], scroll jog dial until you see Night Mode, [SEL], then press  for night or  for day.
To change the automatic start and stop time is, indeed, a phone guy (or gal) function.
Page 4-33 in the System programming manual.
Posted on Jun 27, 2008
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Posted on Jan 02, 2017
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Year (00-99), Month (01-12), Day (01-31), Day of the week (0-6: Sun-Sat), Hour (01-
12), Minute (00-59), AM/PM (0/1) and STORE.
This changes the time, but you may have CID changing it back. That event usually takes place about the first call after 2 or 3 AM daily.
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