Hfai

Features	Interactions	Limitations

HFAI	If a SPIRIT Telephone is attached to the	HFAI can't be turned on or
	ConnecT/R and if HFAI is on, telephone device	off from telephone device.
	will not ring on intercom calls.

Hold	If SPIRIT Telephone places a call on hold and	Telephone device cannot
	telephone device goes off-hook, device may connect	pick up a call placed on
	to next idle (available) line, depending on how you	hold by attached SPIRIT
	set MODE and whether SPIRIT Telephone is on- or	Telephone.
	off-hook.

Line Reserve	Telephone device may ring with the special ring	Telephone device can't use
	pattern associated with the feature if the attached	this feature to reserve a
	SPIRIT Telephone has used the feature. If	specific line.
	telephone device's receiver is picked up during line
	reserve ringing, it will be connected to the line
	reserved by attached SPIRIT Telephone.

Manual Signaling	Not supported for telephone device.	Telephone device can't
		manually signal other
		SPIRIT Telephones or
		telephone devices and will
		not ring if someone signals
		its port.