Yealink SIP-T48S User Manual page 187

Enter the group call pickup code in the Group Call Pickup Code field.
3.
Click Confirm to accept the change.
4.
To pick up a call in the group:
Pick up the handset, tap the line key or press Speakerphone key.
1.
The GPickup appears on the on-screen keypad.
Tap GPickup on your phone when a phone in the group receives an incoming call.
2.
The call is answered on your phone.
Basic Call Features
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