Yes, both Dialpad Talk and RingCentral Office offer a Free Trial.
Dialpad Talk is designed for Large Enterprises, Medium Business and Small Business.
RingCentral Office is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Dialpad Talk Starts at $15/User/Month whereas for RingCentral Office Starts at $19.99/User/Month when Billed Yearly.
Some top alternatives to Dialpad Talk includes CloudTalk, VoIPstudio, Vonage Business, Vodia PBX, 4PSA VoipNow, MightyCall, Ringover, Continent Telecom IP PBX, GoTo Connect, Comcast Business VoiceEdge and CloudPhone.
Some top alternatives to RingCentral Office includes RingByName, VoIPstudio, Vonage Business, 3CX, 4PSA VoipNow, Infobip, Voxloud, MightyCall, Ringover, Voxbi and AT&T Office@Hand.