Quick answer
Yes. Operators block SMS that contain links, APK links or callback numbers that are not whitelisted on your DLT portal.
What to whitelist
- Website links, such as https://yourbrand.in/offer
- App download (APK) links
- Callback phone numbers, such as your support or toll-free number
How
- Log in to your DLT portal.
- Find the CTA (call to action) / URL whitelisting section.
- Add your domain or full URLs and your numbers, and link them to your templates as the portal asks.
Tips
- Use your own domain. Public link shorteners such as bit.ly are usually blocked.
- Keep the domain fixed in the template. Only the part after the domain should change.
- Check templates with the DLT template checker, which flags links and numbers to whitelist.
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