Yes, both Caller Insight and Nimbata offer a Free Trial.
Caller Insight is designed for Large Enterprises, Medium Business and Small Business.
Nimbata is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Caller Insight Starts at $25/Month whereas for Nimbata Starts at $29/Month.
Some top alternatives to Caller Insight includes Calltracks, Callcap, CallView 360, calltrak, TeleCapture, Call Tracking Pro, Call Tracker, Tracking Sales Calls, CallTracking and Trailhub.
Some top alternatives to Nimbata includes CallTrackingMetrics, CallRail, Calltracks, calltrak, TeleCapture, Call Tracking Pro, Call Tracker, Caller Insight, TrackDrive and CallTracking.