Bulk SMS is one of the highest-converting channels available to Dubai businesses — and one of the most tightly regulated. The Telecommunications and Digital Government Regulatory Authority (TDRA) sets clear rules for who can send promotional SMS, how sender IDs must be registered, what consent is required, and when messages can be sent. Getting this wrong doesn't just mean a rejected campaign — it can mean fines of up to AED 400,000 per violation. Here's what compliant promotional SMS actually looks like in 2026.
Why TDRA Regulates SMS Sender IDs
Unregistered or spoofed sender IDs are the backbone of SMS phishing (smishing) scams — a message that appears to come from a trusted brand name is far more convincing than one from a random number. TDRA's registration regime exists to make sure a sender ID can only be used by the business that legitimately owns it, and to give recipients a clear way to identify and report unwanted promotional messages.
The AD- Prefix Rule
This is the single most important rule for any business running promotional campaigns in the UAE: every promotional sender ID must carry the "AD-" prefix. A brand called "Acme Logistics," for example, must register and use "AD-ACMELOGIST" (subject to character limits) specifically for marketing messages. Transactional messages — OTPs, delivery alerts, appointment confirmations — do not require the AD- prefix and can use a plain brand sender ID instead.
Mislabeling a promotional message as transactional to avoid the AD- prefix (or to send it outside permitted hours) is itself a compliance violation, not a workaround.
Sender ID Registration: What It Takes
Documentation: A No Objection Certificate (NOC), carrier-specific registration forms, proof of business identity, and in some cases a trademark certificate for the brand name being registered.
Dual registration: Sender IDs must be registered separately with both major UAE carriers, e& (Etisalat) and du — approval with one does not automatically cover the other.
Timeline: Local UAE entities typically see approval in 5-10 business days; international organizations registering a UAE sender ID should budget 20-25 business days.
Cost: International sender ID registrations typically carry a monthly fee (roughly the equivalent of USD 40), in addition to any registration processing fees.
Format: Sender IDs must be alphanumeric — purely numeric sender IDs are not supported for branded messaging.
Consent: The Rule Most Businesses Get Wrong
A common misconception is that having a customer's phone number — because they placed an order or signed up for a service — automatically permits promotional SMS. It doesn't. Under TDRA rules, consent for promotional messaging cannot be inferred from an existing customer relationship. It must be explicitly obtained, and the record of that consent (timestamp, source, and method of collection) must be retained and ready to produce if a complaint is investigated.
What Valid Consent Looks Like
A clearly labeled checkbox at signup that is not pre-ticked, separate from terms-of-service acceptance.
An explicit "opt in to offers and promotions" step during checkout, distinct from order/delivery notifications.
A documented double opt-in via SMS or WhatsApp reply for list imports or offline sign-ups.
Sending Windows and Opt-Out Requirements
Permitted hours: Promotional SMS may only be sent between 7:00 AM and 9:00 PM UAE time. Anything outside this window is a violation regardless of consent status.
Opt-out: Recipients must be able to opt out of promotional messages — either from a specific sender or from all promotional SMS — via the national shortcode 7726, and opt-out requests must be honored promptly.
Restricted categories: Certain sectors — banking, real estate, healthcare, and retail among them — require additional pre-approval from TDRA for specific promotional content categories before campaigns can go live.
A Pre-Campaign Compliance Checklist
Before You Send
Is the sender ID registered with the AD- prefix (for promotional content) with both e& and du?
Do you have documented, timestamped opt-in consent for every recipient on the list?
Is the send scheduled between 7 AM and 9 PM UAE time?
Does the message include a clear way to opt out?
If you're in a restricted sector, has the content category been pre-approved by TDRA?
Sample Compliant Promotional SMS Template
AD-[BRAND]: Weekend only! Get 20% off storewide, today until Sunday 9PM. Shop: [short link]. Reply STOP to opt out.
AD-[BRAND]: Hi [Name], your loyalty points expire this month. Redeem before [date]: [short link]. Reply STOP to unsubscribe.
Frequently Asked Questions
What happens if I send a promotional SMS without a registered AD- sender ID?
Carriers can block delivery outright, and TDRA can levy penalties of up to AED 400,000 per violation for non-compliant sender ID use.
Can I use one sender ID for both transactional and promotional messages?
No — they must be registered and used separately. Mixing promotional content into a transactional sender ID (or vice versa) is a compliance violation, even if the content itself would otherwise be compliant.
Do international senders need a separate UAE registration?
Yes. International organizations sending SMS to UAE numbers need their own sender ID registration with both carriers, generally with a longer approval timeline than local entities.
Is a verbal opt-in from a sales call sufficient consent?
It's compliant only if it's documented — the time, date, and context of the verbal consent recorded in your CRM — since undocumented consent can't be demonstrated if challenged.
Conclusion
Promotional SMS compliance in the UAE comes down to four things: a properly registered AD- prefixed sender ID, documented opt-in consent, sending within the 7 AM-9 PM window, and an honored opt-out mechanism. None of this is designed to slow campaigns down — it's designed to keep the channel trustworthy enough that customers keep opening messages instead of blocking the sender. Businesses that build compliance into their SMS process from day one avoid both the fines and the reputational cost of being reported as spam.