Yealink SIP-T46G - Manual (Page 109)

Basic Call Features
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forward for each or all accounts. Two call forward modes:

Phone (default): Call forward is effective for the phone system.

Custom: Call forward can be configured for each or all accounts.
To configure the call forward mode via web user interface:
1. Click on Features->Forward & DND.
2. In the Forward block, mark the desired radio box in the Mode field.
3. Click Confirm to accept the change.
Note
To enable call forward in phone mode:
1. Press Menu->Call Features->Call Forward.
2. Press or to select the desired forwarding type, and then press the Enter
soft key.
3. Depending on your selection:
a.) If you select Always Forward:
1) Press or , or the Switch soft key to select Enabled from the Always
Forward field.
2) Enter the destination number you want to forward all incoming calls to in
the Forward To field.
Call forward mode is configurable via web user interface only.