Nextiva offers Free Trial, but Calabrio One does not.
Calabrio One is designed for Medium Business and Small Business.
Nextiva is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Nextiva begins at $18.95/User/Month when Billed Yearly, while pricing details for Calabrio One are unavailable.
Some top alternatives to Calabrio One includes Nextiva, TalkDesk, XCALLY, CallTools, uContact, Call Center Studio, TelebuHub, Truly, My Hotline and Mobcall.
Some top alternatives to Nextiva includes uContact, Call Center Studio and OmniOMS Customer Communication Management Suite.