This device must be manually configured.  Do not add MAC Address to Phones.

Step 1: Gather information for each user

Each user has a set of credentials which will be needed to configure each device. For each device that you are configuring, obtain the following from the User under the Phone Settings tab:

• "SIP Address" (Address of Record)
• "SIP Password"
• "Auth Username"
• "Username"
• "Domain"
• "Outbound Proxy"

You can find this information under Users, click on User's name the device will be configured to expand options then click the Phone Settings tab. 

updated July 2019