Creating a Fixed Line IMS subscriber in PyHSS
Setting up fixed-line IMS subscribers in PyHSS to authenticate softphones and non-mobile phones into your IMS.
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Transport Keys & A4 / K4 Keys in EPC & 5GC Networks
A look at Transport Keys and how they’re used when exchanging SIM data
Getting started with PyHSS
Setting up and installing PyHSS to act as a HSS / EIR / PCRF & Diameter server
Importing CDRs into CGrateS with Event Reader Service
Using CGrateS to rate CSV files
CGrateS – Actions & Action Plans
Getting to know what we can do with Actions and ActionPlans inside CGrateS.
Playing back AMR streams from Packet Captures
Exporting AMR streams to listen to the audio from a PCAP
Diameter Routing Agents – Part 5 – AVP Transformations
A look at why we’d want to apply translations to Diameter AVPs inside a Diameter Routing Agent
CGrateS in Baby Steps – Part 2 – Adding Rates and Destinations through the API
CGRates in Baby Steps – Part 2 – Introduction to the CGrates API
Scratch’n’Sniff – An easy tool for remote Packet Captures
A new tool I’ve written to stream packets from one machine to another for analysis in real time.
USSD Gateway with Osmocom
Unstructured Supplementary Service Data or “USSD” is the stack used in Cellular Networks to offer interactive text based menus and systems to Subscribers. If you remember topping up your mobile phone credit via a text menu on your flip phone, there’s a good chance that was USSD*. For a period, USSD Services provided Sporting Scores, … Continue reading USSD Gateway with Osmocom
Originating calls in FreeSWITCH
Starting calls from FreeSWITCH
Forsk Atoll – Importing Antennas
Importing .msi antennas radiation patterns into Atoll
Backing up and Restoring Open5GS
How to backup and restore Open5Gs config between servers
HTTP PUT call recordings from FreeSWITCH
Using mod_httpapi to HTTP POST call recordings to a remote server
Open5Gs Database Schema Change
New database time to support slicing and a migration path for existing users.
PyHSS Update – YAML Config Files
Introducing YAML based config files for defining how PyHSS should be setup
PyHSS Update – SCTP Support
Info on PyHSS new support for SCTP as well as TCP.
SIM / Smart Card Deep Dive – Part 4 – Interacting with Cards IRL
Sending commands/APDUs to a real life Smart Card.
Dr StrangeEncoding or: How I learned to stop worrying and love ASN.1
Australia is a strange country; As a kid I was scared of dogs, and in response, our family got a dog. This year started off with adventures working with ASN.1 encoded data, and after a week of banging my head against the table, I was scared of ASN.1 encoding. But now I love dogs, and … Continue reading Dr StrangeEncoding or: How I learned to stop worrying and love ASN.1
FreeSWITCH + ESL = Programmable Voice
An overview of FreeSWITCH’s ESL