You can connect IP phones to productname.label via VoIP.

To Connect an IP Phone

1. In productname.label: From the productname.label menu, select call_center.menu.label > ipphones.menu.label.
2. Press add_new_ipphone.button.label.
3. Enter a name, password, and extension number for the extension.
4. To assign the extension to a project, select the project from the project drop-down list. Calls made via this extension will be logged in this project.
5. Press save.caption.label.
6. On your IP phone: Follow the instructions in the manual provided with your IP phone. The setup procedure includes accessing your IP phone device’s configuration menu via a web browser. You will need to enter your extensions’s user name, password, and your proxy address (clientname.asp.virtual-call-center.eu).