56Audio
Silent alert
To avoid being disturbed by the ring- er, you can activate the trembler in- stead. It can also be activated in addi- tion to the ringer (e.g. in noisy environments). The trembler is deac- tivated when the battery is being charged.
Key tones
Set the acoustic key tone:
Click or Tone or Silent
Minute beep
During the call you hear a beep after every minute as a reminder of the time elapsed.
Info tones
Set service and alarm tones:
§Select§ On or Off.
Edit On and Extended.