ShoreTel - Cloud phone system & contact center software & services
DeskAlerts - Send alerts to any corporate device: PCs, phones, tablets, etc.
CorvisaOne - CorvisaOne is another cloud-based communications suite that is specially designed for companies that need features for managing inbound or outbound call centres.
Notifuse - A 1-to-many notification API that's simple to use
8x8 X Series - X Series connects teams across channels and around the globe, giving you access your most critical information securely, from any location.
Text Alerts - Mobile Text Alerts allows administrators to send out mass SMS text messages to groups, it is useful way to keep group members informed about quick announcements.