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Glossary

SMS glossary

Plain definitions for segments, 10DLC, receipts, and wallets.

SMS MMS SMS segment GSM-7 UCS-2 10DLC A2P P2P 10DLC brand 10DLC campaign Opt-in Opt-out Sender ID Delivery receipt Webhook secret Idempotency Wallet hold Throughput Short code Toll-free SMS E.164 Sticky sender Quiet hours TCPA CTIA guidelines Carrier fee Test key Live key Webhook signature Suppression list Send latency Mobile originated Mobile terminated Number provisioning The Campaign Registry Sample message Use case Wallet balance Auto recharge Organization

Prepaid SMS for software that needs a text to arrive. $0.0083 per segment. No monthly platform fee.

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