Yes, both TeleCMI and OpenPhone offer a Free Trial.
TeleCMI is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
OpenPhone is designed for Large Enterprises, Medium Business and Small Business.
Pricing for TeleCMI Starts at $15/Month when Billed Yearly whereas for OpenPhone Starts at $10/User/Month.
Some top alternatives to TeleCMI includes CloudTalk, Dialpad Talk, VoIPstudio, JustCall, Voxloud, MightyCall, Ringover, Continent Telecom IP PBX, CloudPhone, OpenPhone and MyOperator.
Some top alternatives to OpenPhone includes Dialpad Talk, RingCentral Office, Vonage Business, Grasshopper, Dialpad Sell, Voxloud, Ringover, Qualified, VoiceLine, Workvivo and Simple Phones.