D-Link DPH-120S manual Call Forward, NTP Recycle, Inter Digit, Originating Not Accept, Hold Recall

Call Forward	Click No Answer to enable call forward to another number
	when no one answers the phone after 180s (default). The
	timer can be changed from 0-600s. Refer to section 7.14 to
	change the timer.
	Click Busy to enable call forward to another number when
	user is busy on the phone.
	Click Unconditional to transfer all incoming calls to
	another number.
	Enter the call forward number on the text box.

7.14Phone Setting – Timer

NTP Recycle	NTP recycle time.
Inter Digit	The time interval that the IP phone waits to detect the end
	of DTMF digits. No more digits are accepted after this
	period and the phone begins to dial.
Originating Not Accept	The time interval that the caller’s phone waits to establish
	a call. If the receiver fails to answer the phone during this
	time interval, the caller’s phone will automatically
	disconnect.
Incoming No Answer	The time interval that the receiver’s phone will ring. If the
	receiver fails to answer the phone during this time
	interval, the phone will automatically disconnect.
Hold Recall	The time interval that the caller is put on hold before the
	phone automatically disconnect.
	28