/mcpProcedure Step 1 From Cisco Unified CM Administration, choose Device > Phone. Step 2 Click Add New. Step 3 From the Phone Type drop-down list, select a Cisco IP Phone that supports AS-SIP. Otherwise, select Third-Party AS-SIP Endpoint. Step 4 Click Next. Step 5 Configure the following mandatory fields.For more information on the fields and their configuration options, see Online Help. • Device Trust Mode—For third-party AS-SIP endpoints only. Select Trusted or Not Trusted. • MAC Address • Device Pool • Phone Button Template • Owner User ID • Device Security Profile—Select the phone security profile that you set up for AS-SIP. • SIP Profile—Select the AS-SIP-enabled SIP Profile that you configured. • Digest User—Select the user ID that you configure as a digest user. The user must be enabled for digest authentication • Require DTMF Reception—Check this check box to allow the endpoint to accept DTMF digits. • Early Offer support for voice and video calls—Check this check box to enable early offer support. This field appears for third-party phones only. Step 6 Configure the fields in the MLPP and Confidential Access Level Information section. Step 7 Click Save. Step 8 Add a Directory Number: a) In the left navigation bar, click Add a new DN. The Directory Number Configuration window opens. b) Add a Directory Number. c) Complete any remaining fields in the Directory Number Configuration window d) Click Save. Step 9 From Related Links, select Configure Device and click Go. Step 10 Click Apply Config. Associate Device with End User Use this procedure to associate an end user to the AS-SIP endpoint. Procedure Step 1 From Cisco Unified CM Administration, choose User Management > End User. Step 2 Click Find and select the user whom you want to associate to the device. Step 3 In the Device Information section, click Device Association. Feature Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs 820 QoS Management Associate Device with End User