Invoca - Call tracking & analytics software
Vtiger Help Desk - Vtiger Help Desk provides multi-channel helpdesk solution.
CallTrackingMetrics - Know who is calling and how they found you. Maximize the return on your advertising.
Hubspot Service Hub - HubSpot's customer service software makes supporting customers easy. Help your customers on the channels they prefer, while driving efficiency for your team.
Marchex - Marchex is a mobile advertising analytics company that connects online behavior to real-world, offline actions.
Verint - Verint provides actionable intelligence solutions for enterprise workforce optimization and security intelligence.