Cellusys Blog

Let’s begin with a classic textbook definition of “Transaction Capabilities”. Transaction Capabilities (TC) provide functions and protocols to a large variety of applications distributed over switches and specialized centers in telecommunication networks (e.g. databases). OK, so what does that really mean and what is TCAP? Transaction Capabilities Application Part (TCAP) is the layer of the… View Article

The original version of this article was published in Network Security Magazines August 2019 edition and has been edited for brevity. The impending IoT revolution poses a number of privacy concerns. The future network will have more connections between devices than between people, linking up everything ranging from the mundane such as refrigerator sensors, to… View Article

To say that the next few years will shape the future of the telecoms industry forever is not an exaggeration. The 21st century has seen immense growth and major shifts in the business, but now as the 2020s approach, telcos are increasingly finding themselves under pressure to find new ways to differentiate themselves, keep traditional… View Article

Much myth surrounds St Patrick, his origin, mission and how he evangelised the Unified Signalling Firewall to drive the snakes out of mobile networks. Saint Patrick used the shamrock to illustrate simply to the unwashed, how the Unified Signalling Firewall was meant to be. SS7, Diameter and GTP. The real story however is that one… View Article

Cellusys has always been the leader in bringing signalling security to mobile networks. Initially bringing the SS7 firewall, followed by the Diameter firewall and combining both of those in one system. But there is more that’s needed to protect the mobile network and GTP inherits signalling security vulnerabilities. Bringing to mobile networks the Unified Signalling… View Article

Congratulations to the winners at the Annual Cellusys Awards.   Customer of the year Ooredoo Group   Partner Relationship Manager Remy Muscat, Gemalto   Technically Capable Customer ICE Norway   Customer Technical Manager Tony Swales, Sunrise Communications AG   Best New Partner Positive Technologies   Supplier of the Year LA Micro Group UK Ltd

ROCCO announces the Tier One Providers in SMS Firewall for 2018. 92 operators were surveyed in 104 countries rating 17 vendors to recieve the results Tier One means that across all categories these providers reached 4-5 points out of 5 in over 40 KPI’s SMS Firewall is growing in appeal for MNOs. An SMS Firewall… View Article

Rocco has concluded the Tier One Providers in Signalling Firewall Vendor Performance for 2018. Rocco recognised the vulnerabilities within the Signalling System #7 (SS7) networks and protocols and within the Diameter protocol and the Evolved Packet Core (EPC) are a dominant topic in the discussions about mobile network security. Though the minimal SS7 security features… View Article

In this blog we are going to take a look at security problems in the Diameter network used by carriers to control the LTE Network. We will see how insecure the Diameter network is and how people are attacking it. We will look at what hackers are accomplishing by attacking it, and finally, we will… View Article

Leadership – Creativity – Engagement   Cellusys make it to the Leaders in Innovation for the second year running in the Rocco Research report.   Out of 183 telecoms vendors Cellusys leaves 99% or 180 behind. The 2018 Rocco Research report ranks Cellusys and the other 182 vendors in terms of our innovation in the… View Article

Messaging & SMS World 2018 the forum to discuss new technologies and current development plans SMS using AI, IoT and, chatbots with some of the industry’s leading experts. Attracting high-level attendance from Carriers, MNOs, OTTs, SMS aggregators, Firewall Providers and Managed Service Providers, it’s the place to catch up with experts. Our team has 12 years… View Article

Hi. This is Chuck Wesley-James, from Cellusys.In this presentation, we are going to look at Diameter Signalling Controllers (DSCs) and what they do in a Telecom network. We are going to make the assumption that you have some knowledge of the SS7 network, so that we can compare the Diameter Network with SS7. Let’s take… View Article