Yes, both RingCentral Office and Jive Voice offer a Free Trial.
RingCentral Office is designed for Large Enterprises, Medium Business and Small Business.
Jive Voice is designed for Large Enterprises, Medium Business and Small Business.
Pricing for RingCentral Office Starts at $19.99/User/Month when Billed Yearly whereas for Jive Voice Starts at $19.95/User.
Some top alternatives to RingCentral Office includes RingByName, VoIPstudio, Vonage Business, 3CX, 4PSA VoipNow, Infobip, Voxloud, MightyCall, Ringover, Voxbi and AT&T Office@Hand.
Some top alternatives to Jive Voice includes CloudTalk, Dialpad Talk, VoIPstudio, Vonage Business, Vodia PBX, VoiceIQ, 4PSA VoipNow, MightyCall, Ringover, Continent Telecom IP PBX and Comcast Business VoiceEdge.