/mcp• Digest Credentials • Confirm Digest Credentials Step 4 Click Save. Enable Digest Authentication in Phone Security Profile Use this procedure to enable digest authentication for a phone through the Phone Security Profile. Procedure Step 1 From Cisco Unified CM Administration, choose System > Security > Phone Security Profile. Step 2 Click Find and choose the phone security profile that is associated to the phone. Step 3 Check the Enable Digest Authentication check box. Step 4 Click Save. Assign Digest Authentication to the Phone Use this procedure to associate the digest user and digest authentication-enabled security profile to the phone. Procedure Step 1 From Cisco Unified Communications Manager Administration, choose Device > Phone. Step 2 Click Find and choose the phone for which you want to assign digest authentication. Step 3 From the Digest User drop-down list, assign the end user for whom you assigned digest credentials. Step 4 Make sure that the phone security profile for which you enabled digest authentication is assigned through the Device Security Profile drop-down list. Step 5 Click Save. Step 6 Click Reset. After you associate the end user with the phone, save the configuration and reset the phone. Configure SIP Station Realm Assign the string that Cisco Unified Communications Manager uses in the Realm field when challenging a SIP phone in the response to a 401 Unauthorized message. This applies when the phone is configured for digest authentication. The default string for this service parameter is ccmsipline. Note Security Guide for Cisco Unified Communications Manager, Release 15 and SUs 155 Basic System Security Enable Digest Authentication in Phone Security Profile
