Delivering 2 Decades of Mobile Network Operator Innovation & Solutions

We provide cutting-edge solutions to carrier networks globally. We power the biggest interconnect system in the world, spearheaded the ringback tone industry, and employ AI/ML technology to identify and block fraudulent messages and calls.


KONTXT Provides best-in-class Fraud protection

KONTXT goes beyond simple phone number reputation and block list filtering by using a patented Natural Language Processing platform for categorizing and blocking fraudulent text messages, images, and voice calls, to help carriers and businesses build customer loyalty and drive new revenue through text classification and anti-spam.

We have 20 plus years experience of on-premise and cloud-based deployments for mobile carriers around the world. KONTXT is fine tuned to provide flexible turn-key deployments in your network.

KONTXT for Messaging

Comprehensive real-time scanning for advanced threat intelligence to filter unwanted messages, and fights spoofing, smishing and fraud from reaching your customers.

Secure cloud hosted message stream analysis with active threat management and automated response

Analyze and classify message traffic in realtime to control threats, filter unwanted messages and protect customers

Enforce gray route policies and allow class-of-service delivery prioritization to legitimate enterprise senders and reduce Application to Person (A2P) revenue leakage.

Flexible deployment options, on-premise or in the cloud

Support for SMS, MMS and RCS

KONTXT for Voice

Screen and analyze live audio and classify and identify spam and fraud and make fast and accurate assessment to help protect global network customers and enhance your robocall mitigation program.

Easy-to-embed cloud APIs can be an important part of your Robocall Mitigation program

Track threats across multiple channels with omnichannel risk reduction

Cloud-based fraud detection reduces incoming fraud calls/messages and time wasted answering 

Containerized deployment

Integration supporting SIP and RTP

Deliver a Better Experience to Your Subscribers

KONTXT next-generation management of text messaging on mobile networks, along with state-of-the-art spam and gray route controls to ensure the best experience for your subscribers.

Protect your customers

Advanced threat intelligence filters unwanted messages and fights spoofing, smishing and fraud from reaching your customers.

Know your traffic

Analytics and reporting on traffic trends and composition by categories and originating entities gives you the actionable data you need to make decisons.

Optimize your revenues

Understanding your traffic and potential threats enables you to offer class-of-service delivery prioritization to enterprise senders and ensure compliance for A2P message senders.

KONTXT Integrated Messaging Suite

The KONTXT Integrated Messaging Suite (formerly known as Metcalf) powers the world’s largest messaging interconnect system and delivers over 2 billion messages each day. Building on the long legacy of innovation from RealNetworks, IMS has connected over 5 trillion message sessions never dropping a single message or incurring a service interruption for customers since launching 20+ years ago.

Learn more about IMS

Ringback Tones

RealNetworks provides mobile carriers with first class, fully managed
Ringback (RBT) solutions tailored for the needs of the local market.

MNO Customers enjoy incremental ARPU, lower churn and opportunities
to deliver targeted promotional messages. Enterprises are using RBT
to enable virtual assistant functionalities as well as a promotional,
customer engagement platform.

RealTimes SDK

Bring to life memories with automatically created videos out of the user’s best media, provide a creative camera media capture, and editing experience to enhance photos, videos, collages or animations.

Our suite of media experiences for Cloud apps engages users and
increases the value of existing cloud apps to drive premium revenue
and improve retention.

A Legacy of Innovation

KONTXT and RealNetworks have a long legacy of innovation working with customers and partners globally. Reach out to our KONTXT team to learn how our products can help your organization today!