Cisco Systems OL-5378-01 manual 45-37

Chapter 45 Cisco IP Phone Configuration

Configuring Directory Numbers

Table 45-3 Directory Number Configuration Settings (continued)

Field	Description
AAR Group	Choose the automated alternate routing (AAR) group for
	this device. The AAR group provides the prefix digits
	that are used to route calls that are otherwise blocked due
	to insufficient bandwidth. An AAR group setting of
	None specifies that no rerouting of blocked calls will be
	attempted.
User Hold Audio	Choose the audio source that plays when a user initiates
Source	a hold action.
Network Hold Audio	Choose the audio source that plays when the network
Source	initiates a hold action.
Call Waiting	Choose the appropriate call-waiting settings. This field
	determines whether this directory number uses call
	waiting when a line is busy (On), responds with a busy
	signal (Off), or uses the default setting (Default).
	The value that you choose applies to all devices that are
	using this directory number.
Auto Answer	Choose one of the following options to activate the Auto
	Answer feature for this directory number:
	• Auto Answer Off <Default>
	• Auto Answer with headset
	• Auto Answer with speakerphone (Intercom)
	Note Make sure that the headset or speakerphone is not
	disabled when you choose Auto Answer with
	headset or Auto Answer with speakerphone.

	Cisco CallManager Administration Guide
OL-5378-01		45-37