Yes, both eFax Corporate and Nextiva offer a Free Trial.
eFax Corporate is designed for Large Enterprises, 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 eFax Corporate are unavailable.
Some top alternatives to eFax Corporate includes Nextiva, mFax, XM Fax, eFax, Nextiva vFax, Sfax, MyFax, FAX.PLUS, eGoldFax, Fax.to and iFax.
Some top alternatives to Nextiva includes uContact, Call Center Studio, Grasshopper, Dialpad Contact Center, Vonage Contact Center, RingCentral Contact Center, ipSCAPE and OmniOMS Customer Communication Management Suite.