RCS for Business (A2P RCS), previously known as RCS Business Messaging, does not rely on phone numbers for sending messages, unlike SMS. Instead, it uses a verified RCS Agent.
However, you can display one or more contact phone numbers within your RCS Agent's contact profile. This branded identity, which is visible to consumers, can also include your business's description, website, privacy policy, and terms of service.
While RCS is not directly connected to a long number or short code, you need a number to fallback to SMS or MMS, if RCS is not available. Some carriers even require fallback to SMS or MMS if an RCS message cannot be delivered.
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