Yealink SIP-T48G

Customizing your Phone
Yealink SIP - T48G Quick Reference Guide
08
Volume Adjustment
Press: - + during a call to adjust
the receiver volume of the
handset / speakerphone / headset.
Press: - + when the phone is idle to
adjust the ringer volume.
Useful Access Codes
Call Forward Always Activate:*72
Call Forward Always De - Activate:*73
Call Forward Busy Activate:*90
Call Forward Busy De - activate:*91
Call Forward No - Answer Activate:*92
Call Forward No - Answer De - Activate:*93
Do - Not - Disturb Activate:*78
Do - Not - Disturb De - Activate:*79
Last Number Redial:*66
Direct Voicemail Transfer:*55