Yes, both eVoice and Exotel offer a Free Trial.
eVoice is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Exotel is designed for Large Enterprises, Medium Business and Small Business.
Pricing for eVoice Starts at $6.25/User/Month when Billed Yearly whereas for Exotel Starts at $1,000.
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 Exotel includes Nextiva, Knowlarity, CloudTalk, Servetel, Call Center Studio, TelebuHub, CallFire, VCC Live, Ozonetel CloudAgent, VoiceIQ and Twilio Flex.