CALLR - CALLR is an extremely helpful app for those who have to deal with call control protocols for their business. You can create a customized call control system that will perform a wide range of functions.
Aircall - Aircall is a call center software of a new generation designed for fast growing companies. Setup instantly and integrates to your CRMs
MeetingMogul - Join any conference call with one-touch
Five9 - Five9 provides cloud-based call center software for sales, marketing and support.
CamCard - CamCard reads business cards and save instantly to phone Contacts.
Ameyo - Ameyo is a powerful and highly flexible IP-based contact center software that lets you have a personalized interaction with every customer across multiple channels, thereby driving customer engagement to a level par excellence.