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1.15 Optional Device Features
104 Feature Guide
1.15.4 Background Music (BGM)
Description
A proprietary telephone (PT) user can listen to background music (BGM) through the built-in speaker while
on-hook and idle.
Conditions
• Hardware requirement: A user-supplied external audio device, such as a CD player or radio for
External audio source.
• The music heard through the PT is interrupted when going off-hook, receiving a call, or receiving a
paging announcement.
• The audio can be selected through system programming ( Music on Hold [111]).
• This feature can be turned on and off by dialling "1" while the extension is on-hook and idle, if BGM is
enabled through system programming ( BGM Control for APT [626]).
Installation Manual References
2.8.1 Connecting Peripherals
User Manual References
1.7.5 Turning on the Background Music (BGM)