Yes, both eVoice and RingCentral Office offer a Free Trial.
eVoice is designed for Individuals, Large Enterprises, Medium Business and Small Business.
RingCentral Office is designed for Large Enterprises, Medium Business and Small Business.
Pricing for eVoice Starts at $6.25/User/Month when Billed Yearly whereas for RingCentral Office Starts at $19.99/User/Month when Billed Yearly.
Some top alternatives to eVoice includes Nextiva, CallHippo, CloudTalk, Call Center Studio, RingCentral Office, Grasshopper, TeleCapture, RingCentral Contact Center, VoxDesk, CallMatrix and MyOperator.
Some top alternatives to RingCentral Office includes RingByName, VoIPstudio, Vonage Business, 3CX, 4PSA VoipNow, Infobip, Voxloud, MightyCall, Ringover, Voxbi and AT&T Office@Hand.