Linksys SPA942, SPA962, SPA932, SPA922 manual Voice conversation is encrypted so that others cannot

Customizing SPA9x2 Phones

Supplementary Services Parameters

Parameter Name	Enables/Disables
Conf	Three-way conference.
Attn Transfer	Attended call transfer. The user answers the call before
	transferring it.
Blind Transfer	Blind call transfer. The user transfers the call without speaking
	to the caller.
DND	Do not disturb.
Block ANC	Blocks anonymous calls.
Call Back	Call back service, which is dialing the last received call.
Block CID	Blocks outbound caller ID.
Secure Call	Secure calls on the phone. See ”When a call is secure, the
	voice conversation is encrypted so that others cannot
	eavesdrop on the conversation. To enable this feature the
	SPA9x2 phone must have a mini-certificate installed.”
	section on page 36.
Cfwd All	Forwards all calls.
Cfwd Busy	Forwards calls only if the line is busy.
Cfwd On No Ans	Forwards calls only if the line is not answered.
Paging	Paging feature (see”Using Group Paging” section on
	page 91.)
Call Park	Call parking feature (see ”Using Call Parking” section on
	page 91.)
Call Pick Up	Call pick up feature (see ”Using Call Pick Up and Group Call
	Pick Up” section on page 91.)
ACD Login	Typically used for call centers, automatic call distributor (ACD)
	handles incoming calls and manages them based on a
	database of instructions. You can enable this with the SIP B
	parameter (”SIP Parameter Notes” section on page 46).
	Defaults to no (disabled)
Group Call Pick Up	Group call pick up feature (see ”Using Call Pick Up and
	Group Call Pick Up” section on page 91).
ACD Ext	Extension used for handling ACD calls. Select 1-6, depending
	on your phone model.
	Defaults to 1.

Linksys SPA9x2 Phone Administration Guide 90