How do DIDs work

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DID numbers route calls directly to any SIP endpoint without physical circuits. Learn how do DIDs work, how they differ from traditional phone lines, and where they are used in modern voice infrastructure.

What Is a DID Message (SMS-Enabled DID)?

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A DID message is an SMS sent through a Direct Inward Dialing number with messaging enabled. Learn how SMS-enabled DIDs work, the difference between DID SMS, long code, and 10DLC, and what compliance applies.