Common Mobile Radio System or traditional cellular networks consists of traffic from our SMS-enabled non-mobile carrier customers (AKA SMS-enabled OTT). We call these solution providers: NUVOs for Network Unaffiliated Virtual Operators as they provide mobile-operator like services such as voice and messaging and interwork with the legacy ecosystem. These are also called Cloud-based Messaging providers. These are primarily based in the United States. Key providers include: Twilio, Bandwidth, Nexmo (Vonage), Pinger, TextNow, and Google Voice.
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