For businesses that are open to utilizing their communications, the multi-channel company solution from Sinch puts together all forms of messaging through SMS, voice, email, and social platforms. This helps companies connect with their customers more meaningfully in a way that makes every moment across every channel a personal, real-time moment, culminating in great customer experiences.
https://sinch.com/in/blog/know-difference-between-multichannel-and-omnichannel-marketing/