How can I send and receive SMS on my business number?
Learn how to send and receive SMS on your Zonitel business number from your computer or mobile app, manage all your conversations in one place, and use multiple channels seamlessly.
Sms, MMS & Conversations
Learn how to send and receive SMS on your Zonitel business number from your computer or mobile app, manage all your conversations in one place, and use multiple channels seamlessly.
Practical best practices to prevent outbound SMS from being blocked as spam: how to collect and document opt-in, include clear branding and STOP/HELP handling, use safe links, throttle sending volume, and troubleshoot blocks with controlled tests and clean message templates.
A practical compliance guide for running an SMS program: how to collect clear opt-in, include the right disclosures (frequency, rates, STOP/HELP), store consent proof, send a proper welcome message for recurring programs, and handle opt-out/help correctly.
Learn why outbound SMS messages can be blocked by SPAM filters—even for legitimate businesses—and how common triggers like SHAFT-related content, suspicious links, weak consent/opt-out handling, burst sending, and “snowshoeing” patterns affect deliverability.
Learn how to send an image through an MMS message to multiple recipients using Zonitel, create contact lists, personalize your messages, and reach your audience efficiently in just a few steps.