Calling Features - D-Link DVG-7022S User Manual

Calling Features

Do Not Disturb: It will only be able to call out when it is enabled.
Unconditional Forward: All incoming calls will be forwarded to the "Forwarding Number"
automatically. If it forwards to FXO, it only make FXO hook off, not make FXO dial out.
Busy Forward: Forward the incoming call to "Forwarding Number" when the port is busy.
Call Hold: Enable the call hold feature on the specific FXS port.
NOTE: Call Hold must be checked; Call Transfer or Call Waiting is active.
Call Transfer: Enable the call transfer feature on the specific FXS port.
Call Waiting: Enable the call waiting feature on the specific FXS port.
Three-Way Calling / Service ID: Feature code of conference call defined on Nortel Soft Switch.