OpenPhone offers Free Trial, but Telzio does not.
Telzio is designed for Individuals, Large Enterprises, Medium Business and Small Business.
OpenPhone is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Telzio Starts at $206/Month whereas for OpenPhone Starts at $10/User/Month.
Some top alternatives to Telzio includes CometChat, CloudTalk, RingCentral Office, Vonage Business, Grasshopper, 4PSA VoipNow, Cloudonix, Ringover, Voxbi, CloudPhone and OpenPhone.
Some top alternatives to OpenPhone includes Dialpad Talk, RingCentral Office, Vonage Business, Grasshopper, Dialpad Sell, Voxloud, Ringover, Qualified, VoiceLine, Workvivo and Simple Phones.