Protect your network revenue and block messaging fraud with omnichannel firewall
Secure traffic revenue with AI-powered threat detection. Trusted by 120+ mobile operators to eliminate grey routes, prevent smishing attacks, and monetize A2P traffic.
Best-in-class firewall to eliminate grey routes
Protect your A2P revenue and ensure all traffic is properly charged so you can maximize revenue and eliminate grey routes.
Protect customers from suspicious and fraudulent attacks
Secure your customers against SIM box fraudsters and messaging scams by monitoring real-time inbound and outbound traffic using sophisticated filtering and analytical tools.
Increase A2P messaging revenue
Monetize your A2P revenue and scale for growth by ensuring all traffic is charged correctly through accurate traffic segmentation and leakage from grey routes is eliminated.
Secure your subscribers from smishing attacks
Leverage machine learning capabilities to recognize smishing attempts, preempt attacks and block malicious texts in real-time to protect your customers.
Gain real-time traffic insight
Take control of your network with customized traffic segmentation, local and international traffic differentiation, and analytics per brand, industry, and vertical – all from a single web interface.
Filter suspicious traffic with ML and AI-powered fraud protection
Tackle fraud with machine learning algorithms, NLP technology, and advanced analytics capable of identifying and filtering suspicious traffic in real time.
Vodafone Fiji: Increased revenue and monetized A2P SMS with Anam Protect SMS Firewall solution .
29x
higher revenue .23x
higher in monetized SMS traffic .
Indosat Ooredoo: Monetizing A2P SMS traffic with Infobip Anam Protect SMS Firewall .
3x
international traffic revenue .10%
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Our firewall solution offers MNOs the following capabilities.
Message screening
Filter all types of content, phishing attacks, malware, and illegal sites, and normalize all messaging before entering any network.
Quick and easy integration
Detect typical A2P SMS messages based on content learning and analyze all messages that pass through the filtering process by categorizing them into “spam” “grey messages” and “ham”.
Sender number screening
Short Codes, Long Codes, 10DLC available in more than 90 countries.
Suspicious event notification
Facilitate blocking of any suspicious senders for a set amount of time.
Cloud deployment option
Filter international messages using the Omnichannel Messaging Firewall as a cloud service in combination with Anam Messaging Hub.
Platform and application management
Manage and complete platform operations and maintenance services with 24/7 support ready to solve any problem.
Protect your customers and monetize on your channel
The most connected A2P firewall
1.2 billion
Globally protected subscribers
120+
Networks securing messaging traffic globally
800+
Direct connections to mobile networks around the world
Recognized by the experts
Frost Radar™: CPaaS
Infobip is named a Growth and Innovation Leader 2025
Omdia Universe
CPaaS Leader 2025
IDC MarketScape
CPaaS Leader 2025
Gartner® Magic Quadrant™ for CPaaS, 2025
Infobip is named a Leader
Conversational AI Established
Leader 2025
Best A2P SMS vendor 2018, 2019, 2020, 2022
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Frequently asked questions
SMS Firewall is a solution that helps Mobile Network Operators to control their SMS ecosystem and seamlessly protect their subscribers from various frauds and unwanted SMS and SMS-related traffic.
SMS Firewall protects a Mobile Network Operator’s SMS ecosystem by analyzing traffic and blocking fraudulent and grey route SMS traffic in real-time, preventing any harm to subscribers and guarding MNO business from any commercial exploits.
Frequently used protocols for A2P terminations are SMPP and SS7.
SMPP protocol is the most widely used protocol for A2P SMS termination. SMPP protocol is an open industry standard designed for the transfer of short messages between two endpoints.
SMS traffic segmentation is a categorization of SMS traffic based on the origin, type, use case, etc. The SMS segmentation is performed by an MNO to establish control over the messaging ecosystem and ensure all traffic termination is charged correctly and fairly.
SMS Firewall are essential for Mobile Network Operators to secure the messaging ecosystem and with that protect their subscribers from messaging frauds. Also, SMS Firewall are a precondition for A2P monetization.
There are various SMS Firewall features including:
- Real-time traffic filtering on fraud and unwanted SMS traffic
- Reporting and traffic insights
- Phishing, malware, and spam detection
- A2P grey route detection (SIM Boxes, Leased GT, Interconnect abuse, etc.)
A grey route is a name widely used in the Telecom world for all routes carrying A2P traffic without an MNO’s knowledge or authorization. Some of the most popular grey routes are: SIM Boxes, Leased Global Title roaming agreements abuse, A2P grey traffic over interconnect, abuse, or direct business connections for different use cases beyond agreed and approved cases between the MNO and the partner.
SMS fraud: The complete guide to detection and prevention in 2026.
Understand the major types of SMS fraud in 2026 and the concrete steps businesses and mobile operators can take to detect and prevent them, while discovering what the latest fraud and security trends reveal about current fraud patterns.
What are flash calls and are they a valid verification method?.
Flash calls offer a cost-effective and theoretically low-friction method of authenticating mobile numbers, but there is more than one catch. Here we discuss how they work and compare them directly with A2P SMS as a verification method.
What is smishing? How to identify and prevent text message scams .
A fake delivery alert, a bank warning, or a one-time password request can feel routine at first. Learn how smishing works, how to recognize the warning signs, and how people, businesses, and mobile operators can reduce the risk of SMS scams.
Omnichannel firewalls: The future for MNOs.
Learn what threats are on the horizon for mobile network operators and their subscribers – and how omnichannel firewalls can help overcome them.