8x8 Cloud Contact Center - 8x8 Cloud Contact Center is a VoIP call center solution.
astTECS Call Center Dialer - *astTECS call center dialer is an open source call center solution for outbound & inbound processes. Featuring Predictive dialer, and auto dialer to enhance the performance.
Five9 - Five9 provides cloud-based call center software for sales, marketing and support.
Aceyus - Aceyus brings call center data from multple sources into one dashboard. With Aceyus VUE, get call center dashboards that show the full customer journey.
Aspect Via Customer Engagement Center - Aspect Via is a customer engagement platform that covers all the customer service bases while taking full advantage of Amazon Web Service (AWS) cloud services and infrastructure.
Aavaz.biz - Aavaz Telemarketing Software is created to serve small businesses design and launch efficient calling campaigns, free from the traditional barriers of expensive and technological complexity.