/mcpNote Reset your phone for the changes to take effect. Note When SIP OAuth Mode is enabled, Enable Digest Authentication and TFTP Encrypted Config options are not supported. Phones will download the TFTP config file securely over https(6971) and use the token for authentication. Configure SIP Oauth Registered Phones for MRA Mode Use this procedure to configure SIP OAuth registered phones to MRA mode. Before you begin This section is applicable from Release 14 onwards. Important Make sure your phones are configured to use Activation Codes. For more information see Set Registration Method to use Activation Codes section in System Configuration Guide for Cisco Unified Communications Manager. When using SIP OAuth over MRA , user cannot use username / password for login but have to use activation code based onboarding Note Procedure Step 1 From Cisco Unified CM Administration, choose Device > Phone. Step 2 Click Find and select the device which you want to configure for off-premises mode. Step 3 In the Device Information section, do the following: • Check Allow Activation Code via MRA check box. • From the Activation Code MRA Service Domain drop-down list, choose the required MRA service domain. For more information on how to configure the MRA service domain see, the MRA Service Domain Configuration section in System Configuration Guide for Cisco Unified Communications Manager. Note For SIP OAuth over MRA mode, use only activation code and do not use username/password based login. Step 4 In the Protocol Specific Information section, choose the OAuth enabled SIP profile from the Device Security Profile drop-down list. Make sure that the phone supports OAuth firmware. For more information, on how to create a security profile, see Configure Phone Security Profile section in System Configuration Guide for Cisco Unified Communications Manager. Step 5 Click Save and Apply Configuration. Note Security Guide for Cisco Unified Communications Manager, Release 15 and SUs 102 Basic System Security Configure SIP Oauth Registered Phones for MRA Mode