What are some alternatives?
When comparing Cloud Telephony and CoMagic, you can also consider the following products
RingCentral - RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies
CallHub - Predictive Call Center, Voice and Text Broadcasting app
Asterisk - An open source telephony switching and private branch exchange service for Linux.
JustCall - JustCall is a program that allows companies to use a cloud based call service with several important features that make the program perfectly suited for sales teams as well as support teams. Read more about JustCall.
MyOperator - MyOperator is a cloud-based call management system for voice communication purposes.
Dialpad - Switch is a cloud-based phone system built for Google Apps users.