Digest authentication causes the Unified Communications Manager to challenge all request messages for phones that are running SIP.
This recipe assumes the phone security profile has already been created for SIP devices with Enable Digest Authentication checked.
To configure digest authentication for an end user and device, perform the following:
Navigate to the end user configuration page for the appropriate end user (User Management | End User).
Under the User Information section, specify the Digest Credentials.
Enter the credential again in the Confirm Digestion Credentials field:
Click on Save.
Next, we configure the digest information for the SIP phone device.
Navigate to the phone configuration page (Device | Phone).
Under the Protocol Specific Information section, select a security profile that uses digest authentication under the Device Security Profile drop-down:
From the Digest User drop-down, select the end user that was configured...