No talk of Augmented Reality, Holographic Video calls, 5G cities. Just info about real 5G topics for nerds.
How SIP hold using RFC6336 is implemented and how it looks in production.
The Packet Gateway’s purpose in the EPC.
Basic processes and functions of the LTE EPC Serving Gateway (S-GW).
Using FreeSWITCH to serve WebSocket / WebRTC connections
Cheat sheets for common Docker Commands
Things to keep in mind before using Kamailio as a Load Balancer for Asterisk
Using Mkcert to generate valid SSL certificates on your local machine for development
Assigning static IPs to UEs in Open5GS
A look at PFCP for the Sx and N4 Interfaces
Kamailio world was an online event this year, but you can find all the videos here now they’ve all been posted.
1 September 2000 was when the 3310 was released…
Key changes in Australia’s AS/CA S009:2020 (Installation requirements for customer cabling
Using Wireshark to filter S1 messaging to find signalling from a specific subscriber,
List of Open Source Evolved Packet Core implementations
Unlocking Carrier Privileges through certificate on a UICC
What’s the deal with Tunnel Endpoint Identifiers and what do they do?
A look at the Handover process between Cells / BTSs in GSM using the Osmocom stack.
This is part of a series of posts focusing on common Diameter request pairs, looking at what’s inside and what they do. The Authentication Information Request (AIR) and Authentication Information Answer (AIA) are one of the first steps in authenticating a subscriber, and a very common Diameter transaction. The Process The Authentication Information Request (AIR) […]
When setting up the timeslots on the TRX for each BTS on your BSC, you’ll notice you have to set a channel type. So what do these acronyms mean, and how do they affect the performance of the network? GSM channels break down into one of to categories, control channels – used for signalling, and […]