Configuring an SPA122 for CUCM, quick guide.

Connect Network Port to Laptop, default IP is 192.168.15.1
Browse to the web page. Default login is admin and password admin
Navigate to Network Setup -> Internet Settings
Complete the IP Details for the SPA122 device to connected to the network. The Internet Port is used for SIP Signalling, registration and media.

Optional Settings for Domain Name and DNS.. Are also recommended.

Navigate to Voice – > Line 1

Scroll down to the Proxy and Registration Section

Scroll down to the Subscriber Information Section
Complete the below fields

Display Name
User ID
Password
Enable Auth ID
Auth ID

Submit

CUCM Configuration

Create an Enduser. *User ID must only be in numerical format.. Not characters permitted.
Set the Digest Credentials
Set the Telephone Number

Create a Third-party SIP Advanced Device.

Standard Phone setup.. With the exception for the below.

- Set the Owner ID to the above created User
- Set the Digest User to the above created User

The SPA122 should now successfully register to the CUCM Cluster.