Yealink SIP-T48S, User Manual, Page: 86 / 159

Yealink T4 Series IP Phones User Guide
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The phone ignores engaged audio device (handset or headset) and plays beep in the Speakerphone (hands-free) mode
by default. The Speakerphone key will light up for 1 second along with the beep except on the SIP-T40P/T40G IP
phone.
Note
The phone plays beep of a specified frequency softly to remind you that you still have a call on hold. Your system admin-
istrator can customize the frequency and configure when to play beep.
Resuming a Held Call
Procedure
1. Press the HOLD key again, corresponding line key or Resume .
If multiple calls are placed on hold, select the desired call first.
Swapping Between Active and Held Calls
You can easily switch between active and held calls.
Procedure
Do one of the following to swap the active and held calls:
l
If the call is active, press the Swap soft key.
l
If the call is held, press the corresponding line key to swap to the active call.
Do Not Disturb (DND)
DND enables your phone to reject all incoming calls automatically when you do not want to be interrupted. You can
enable DND globally on the phone or enable DND for specific lines.
If you want to receive specific numbers when DND is enabled, you can ask your system administrator to set DND
Authorized Numbers.
Note
Check with your system administrator to find out if the DND feature is available on your phone.
Topics
Rejecting Calls with DND on All Lines
Rejecting Calls with DND on Specific Lines
Deactivating DND