SMS SHIELD

SMS firewall that blocks spam and spoofing on your network

SMS Shield is the white-label messaging firewall operators and carriers launch to protect subscribers. MCM AI reads every A2P, P2P and P2A message, stops scam texts and fake sender IDs, and lets good traffic flow.

Book an SMS Shield demoExplore Network Shield
  • A2P, P2P and P2A
  • Spoofing blocked
  • White-label
SMS Shield live feed
MCM AI is reading every message
live
  • A2PKestrelBank Blocked

    Account locked. Verify now: kb-secure.co/x

  • P2P+1 415 555 0142 Rerouted to A2P

    Big sale this week, visit our shop today

  • P2PSam Delivered

    Home by 7, need anything from the store?

  • P2A+44 7700 900123 Delivered

    YES, confirm my appointment

18,240
Scanned today
1,312
Blocked today
904
Rerouted today
01What you get

Cleaner inboxes and protected revenue

Give subscribers a network they can trust, and make sure every business message pays its way.

Cleaner inboxes

Spam and scam texts get stopped before your subscribers see them.

Honest senders only

MCM AI flags spoofed sender IDs and blocks them on the spot.

Paid A2P traffic

Business messages are routed through your paid channels, every time.

02Message filtering

Smart A2P, P2P and P2A message filtering

MCM AI sorts every message by type and intent. Real conversations between people pass through, while bulk business traffic hiding as personal texts gets caught and sent to the right paid route.

Application to person · Business alerts, codes and promotions.

Message in
Your code is 482 619
MCM AI reads
Known business sender, expected bulk
Route out
Delivered
Delivered on your paid A2P route
  • Sorts traffic by type
  • Spots hidden bulk senders
  • Keeps real chats flowing
03Sender protection

Sender ID spoofing stopped before delivery

Scammers love to fake bank and brand names. MCM AI checks each sender against known patterns and trusted lists, then blocks lookalikes before they can trick your customers.

  1. Checks every sender ID
  2. Blocks fake brand names
  3. Trusted sender lists
Incoming message checking sender
K
KestrelBank
Trusted sender on file: KestrelBank
Your one-time code is 482619.
04Your rules

Filtering rules you control, tuned by MCM AI

Set your own allow lists, block lists and keyword rules in a few clicks. MCM AI suggests new rules as fresh spam campaigns appear, so your shield gets sharper every week.

Your SMS Shield rules
5 active · checked in order on every message
live
  • IFSender is on the allow list KestrelBank, ParcelHub Allow
  • IFSender looks like a trusted brand lookalike ID Block
  • IFMessage contains “claim your prize” Block
  • IFLink points to a brand-new domain Block
  • IFP2P number sends bulk business texts Reroute to A2P

MCM AI tip: a new scam campaign uses “pay the parcel fee”. Add a rule to stop it.

  • Allow and block lists
  • Keyword rules
  • MCM AI rule tips
05How MCM AI works

From suspicious text to blocked campaign

  1. 01

    Subscriber

    Received

    Receives a text that claims to come from their bank with a link.

  2. 02

    MCM AI

    Checked

    Checks the sender ID, content and link against live scam patterns.

  3. 03

    MCM AI

    Blocked

    Blocks the message and logs the campaign in the case history.

  4. 04

    Supervisor

    Reviewed

    Reviews the new campaign in the dashboard and confirms the block rule.

06Who it is for

Built for operators, carriers and messaging partners

Launch SMS Shield under your own brand and protect subscribers, enterprise customers and your A2P revenue.

  • Mobile network operators

    Protect every subscriber with one messaging firewall, cut scam complaints and keep trust in your network high.

    • A2P, P2P and P2A coverage
    • Subscriber-level protection

  • MVNOs and carriers

    Launch a branded SMS filtering service without building your own fraud team or tooling.

    • White-label dashboard
    • Rules in a few clicks

  • Messaging aggregators and enterprises

    Keep brand names safe from spoofing and make sure bulk traffic is routed and billed correctly.

    • Sender ID protection
    • A2P route recovery
Testimonials

What clients say after 90 days.

Real teams, real numbers — from sales floors, CX desks, and support queues.

“We tried three cloud phone tools before this one. The reason we stayed is boring — it just kept working across four time zones. Our sales team stopped thinking about the phone.”

Arjun Mehta

Head of Growth · Chennai

“The mid-shift dashboard is where I actually spend my day. Queue depth, agent load, and sentiment on one screen — I can coach someone before it turns into a bad review.”

Rachel Monroe

CX Manager · Denver

“AI covers overflow calls in Hindi and English, so we stopped losing weekend leads. It's not perfect — it hands off to us on anything ambiguous — but for hours and bookings, it beats voicemail every time.”

Priya Nair

Support Lead · Bengaluru

“HubSpot sync is quiet infrastructure. Every call, note, and recording just shows up on the contact — nobody has to remember to log it. That's why our forecast is finally accurate.”

Daniel Carter

Head of Sales · Chicago

“I set the whole thing up on my phone during a delayed flight. Six people, three countries, one number that rings all of us. My old provider needed a two-week onboarding for the same thing.”

Neha Iyer

Founder · Mumbai

“Porting 40 numbers across three countries was the part I dreaded most in the migration. It was done in a week, free, and I only had to sign one form. That set the tone for the rest of the rollout.”

Sophie Laurent

COO · Paris

+24%

First Contact Resolution

11 hrs

Per week returned to sales

−38%

Average Handle Time

FAQ

SMS firewall FAQs

What is an SMS firewall?expand_more

An SMS firewall sits on your messaging network and checks every text before it reaches a subscriber. SMS Shield uses MCM AI to block spam, scam links and spoofed sender IDs while genuine messages flow through untouched.

Which message types does SMS Shield cover?expand_more

It covers A2P (application to person), P2P (person to person) and P2A (person to application) traffic, so every text that crosses your network gets checked.

How does SMS Shield stop sender ID spoofing?expand_more

MCM AI compares each sender ID against trusted lists and known scam patterns. Lookalike names, such as a bank name with one swapped letter, are blocked before they can trick your subscribers.

Will real messages get blocked by mistake?expand_more

MCM AI learns your normal traffic and lets genuine conversations through. Your team can also release any message from the dashboard and tune allow lists to cut false positives.

How does SMS Shield protect A2P revenue?expand_more

Bulk business traffic that hides as personal P2P texts is detected and rerouted to your paid A2P channels, so every business message is billed the right way.

Can I set my own filtering rules?expand_more

Yes. Create allow lists, block lists and keyword rules in a few clicks. MCM AI also suggests new rules when a fresh spam campaign appears.

Can I resell SMS Shield under my own logo?expand_more

Yes. SMS Shield is white-label, so operators, carriers and partners can launch it for enterprise customers and subscribers with their own logo on every screen.

Does SMS Shield support many languages?expand_more

Yes. MCM AI reads message content in 30+ languages, so scam campaigns are caught wherever your subscribers are.

Ready to launch your SMS firewall?

Talk to our partner team and launch SMS Shield under your own brand.

Book an SMS Shield demoTalk to Sales
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