Chapter 5: System operation
Full Feature handset operation (SDU) 121
5555
To adjust the ring volume
Select Ring Volume to view or change the Ring Volume setting of the
handset.
Use
B and E to adjust the Ring Volume and C to confirm.
The value can be between * and ****.
To adjust the phone volume
Select Phone Volume to view or change the initial volume setting for
the handset. To adjust the volume during a call, use the volume control on
the side of the handset.
Use
B and E to adjust the Phone Volume and C to confirm.
The value can be between * and ********.
To adjust the Comfort Noise
Comfort Noise is a background noise to verify that the line is connected.
Select ComfortNoise to view or change the Comfort Noise setting of
the handset.
Use
B and E to adjust the Comfort Noise and C to confirm.
The value can be Off or between * and ***.
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