Cisco Small Business IP Phones

Sample configuration of SPA921 to Online Service Provider

Document ID: 109064

Updated: Dec 12, 2008



This article is one in a series to assist in the setup, troubleshooting, and maintenance of Cisco Small Business products.

Q. Initial configuration for SPA921


SPA921 VoIP phone is ideal for a residence or business using a hosted IP telephony service or IP PBX. The line can be configured as a unique phone (or Extension), or can be configured to share a number that is assigned to multiple phones. Below is the instruction on how to manually register the SPA921 to your VoIP provider or IP PBX.

Step 1:
Connect the SPA921 to your network. Make sure that the device is properly connected. If the device is not properly connected to the network, the button will light up red.

Step 2:
Check the IP address of the device.Press and then choose option 9 on the list. The IP address will be displayed on the LCD panel.

Step 3:
Access the setup page for the device by typing the IP address of the SPA921 on your Internet Explorer (e.g. By default there is no username or password for the device. Click on Admin Login and then Advanced.

Step 4:
Click on the Ext tab.

Step 5:
Set Line Enable to 'yes' and then put the User ID, Password, Proxy and Outbound Proxy. After you put the correct information from your VoIP provider, click on .

Step 6:
To verify if the device is already registered, go to the INFO tab and then check the EXT Status.

Related Information

Updated: Dec 12, 2008
Document ID: 109064