Installing RTPengine on Ubuntu releases
Using Wireshark to search the contents of a SIM card for a specific string.
Where’s the one on your keypad – Top left or bottom left – What are you entering the digits on? An ATM? A Number Pad? A Telephone? Why is it all different?
Unwrapping NBNco’s FTTN Cabinets on nature strips across the country and taking a look at the nerdy goodness that’s inside.
Enabling multi-instance on a M3UA peer to set a network-appearance
Setting up a BTS3900 for LTE from scratch using MML
How Binding Support Function addresses are found in LTE/5GC.
WIll wireline and 5G Core converge?
Tiny pillars used for cross-connection
A look at how PyHSS handles fixed line subscribers attaching to an IMS Network
Valid Session Cases for use in an IMS iFC
Using the fs_cli tool again after setting an ESL password
The first thing people learn about SIMs or the Smart Cards that the SIM / USIM app runs on, is that “There’s a little computer in the card”. So how little is this computer, and what’s the computing power in my draw full of SIMs? So for starters the SIM manufacturers love their NDAs, so … Continue reading How much computing power is in a SIM (And is it enough to get humans to the Moon?)
The story of how Bell Labs gave up its roof to patch the Statue of Liberty
How to SSH into a Cisco STP from a modern Linux shell
Getting to know the GSMA’s TAP files, what’s in them, and how they’re used to bill roaming traffic.
A peek under the radome of 32×32 5G Active Antenna Unit
A look at how the SQN resync procedure is performed in the IMS Authentication flows
Interacting with Homer SIP capture vai the API
A look at the PCRF in EPC Networks, and the Charging Rules that lay at the heart of it all.