Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates
KOOKOO - All in one solution for calls, IVR, live chat, customer management & more.
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.
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.