What are some alternatives?
When comparing ConnectyCube and Voxbone, you can also consider the following products
Twilio - Brings voice and messaging to your web and mobile applications.
RingCaptcha - Onboard and verify mobile users with a single SMS
Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates
SendHub - Get a business phone system on your smartphone and computer. We provide professional, affordable sms, text, and voice solutions in an easy to use system. 14-day free trial.
Bandwidth - Bandwidth offers SIP trunking, Emergency communications, and Voice & Messaging APIs.
MessageBird - Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.