A Cloud or VOIP PBX (private branche exchange) can be connected to Placetel CTI für Salesforce® either using a special Desk Phone or a special software phone.
There are different options to connect to Placetel CTI für Salesforce®
•Desk Phone from Snom, Yealink click here for a detail list - Placetel configuration
•Softphone - Placetel configuration