Telco

A “raw” hex string can be converted into Wireshark pcap: query="<hex string here>" export …

That’s surprising that for all these years I didn’t know about Wireshark MATE: MATE: Meta Analysis and Tracing Engine What is MATE? Well, to …

This is an example of a LUA plugin for Wireshark which goes through the packets and generates a statistic. In my case, I was looking for …

Typical and most robust way of configuring connectivity over SCTP (e.g. Diameter or Camel links) is to use two independent IP links (VLANs), …

Introduction Recently I in my work I had to encode an Inap (to be more precise – Sinap) content “by hand”. It’s not a rocket science however …

Introduction One day I decided it would be fun to play with a real SS7 stack. The only one I could find was OpenSS7.

I love Wireshark, but sometimes it doesn’t decode all the parameters I need. One example: Q.850 cause codes inside INAP/CAMEL Release Call …

The application context (AC) is the mechanism for identifying the protocol and the protocol version of an application part (AP). The object …

Another student project — this time a description of Alcatel PBX services (Update 2023: the page seems to be offline). Originally hosted on …

During my time at TP S.A. I worked in the Network Division, in a team focused on ISDN services. One of the projects I helped build was a …

Near the end of my studies I ran into videoconferencing systems. It inspired my thesis topic — IP telephony — and I dug into the H.323 and …

Check interactive WWW Point Code Converter Quick summary This is a small calculator for converting SS7 point codes between different …