hub.amSoftware by 3CLogic
8x8 Virtual Office - Use your iPhone, iPad or iPod touch to make and receive calls using your 8x8 Virtual Office phone...
Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates
Vocalcom - Vocalcom is a cloud-based contact center, omni-channel customer experience and sales acceleration technology provider.
MessageBird - Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.
Aircall - Aircall is a call center software of a new generation designed for fast growing companies. Setup instantly and integrates to your CRMs
Plivo - Plivo simplifies your customer engagement.