Yealink SIP-T48G User Manual page 170

User Guide for the SIP-T48G IP Phone
(Optional.) Enter the no answer forward on code or off code respectively in the
4)
On Code or Off Code field.
Tap the Save soft key to accept the change.
4.
The icon
To activate call forward in custom mode:
Tap ->Features->Call Forward or press
1.
Tap the desired account.
2.
Tap the desired forwarding type.
3.
Depending on your selection:
4.
If you tap Always Forward:
a)
Tap the On radio box of the Always Forward field.
1)
Enter the destination number you want to forward all incoming calls to in the
2)
Forward to field.
156
on the idle screen indicates that the call forward is activated.
when the phone is idle.