Hi there,
Can you create access code in FEATURE ACCESS CODES and change the feature code example as below:
Dialed Day/Night Serices - Activate = (example ##1)
Dilaed Day/Night Services - Inquire = (example ##0)
When at telephone set press ##0 to inquiry current system service moe (Day,Night1 or Night2) by default it set to Night1
To change it to Day, press ##10. '0' is ask the system to set to Day mode services,
To change it to Night 1, press ##11.
To change it to Night 2, press ##12.
Please set Dialled Night Service to enable in COS for telephone set.