Adventures in getting USIMs to use on private LTE networks.
Robust Header Compression (ROHC) and it’s use for compressing RTP / VoLTE traffic headers.
How Android OS autoprovisions APN settings and how to set your own for your unique MCC & MNC.
I recently started working on an issue that I’d seen was to do with the HSS response to the MME on an Update Location Answer. I took some Wireshark traces of a connection from the MME to the HSS, and compared that to a trace from a different HSS. (Amarisoft EPC/HSS) The Update Location Answer […]
How the AKAv1-MD5 algorith derives keys and how it’s used in IMS Networks