Connect the Ethernet port of the PAP2 to your network (router, switch or modem).
Connect an analog phone to the FXS port.
Pick up the handset and dial ****110#. Note the IP address.
Access the PAP2's web-based setup page. For instructions, click here.
Click Admin Login, and (switch to advanced view).
Click Line 1 and go to Proxy and Registration and Subscriber Information. Enter the Proxy, User ID, and Password. Some ITSPs require the use of Outbound Proxy. As a result, make sure that you enter them correctly, and set Use Outbound Proxy to yes.
Click Info, and check if Registration State is Online. You can now pick up the handset, hear a dial tone, and start making calls.