Yes, both Sales Sling and PhoneBurner offer a Free Trial.
Sales Sling is designed for Large Enterprises, Medium Business and Small Business.
PhoneBurner is designed for Large Enterprises, Medium Business and Small Business.
The starting price of PhoneBurner begins at $126/User/Month when Billed Yearly, while pricing details for Sales Sling are unavailable.
Some top alternatives to Sales Sling includes Truly, Leadtosale, LeadsRain, Mojo Dialer, ProspectBoss CRM Dialer, Hello Hunter, TeleCRM, LeadDesk and IntelliDialer.
Some top alternatives to PhoneBurner includes Dialer360, Voiptime, Convoso, Mojo Dialer, ProspectBoss CRM Dialer, Calley, 3CX Power Dialer, CallCenterHosting Predictive Dialer, CloudCall and IntelliDialer.