Kamailio Proxy-CSCF Pull
Nick My first Pull / Merge in the Kamailio project was to fix the IMS P-CSCF config
2020
Open5GS Python Library / API
A while ago I wrote a Python library for interfacing Open5GS HSS to Python. The Open5GS HSS uses a MongoDB backend, so the library is just running formatted Mongo queries.…
Multi Operator Core-Networks (MOCN) for RAN Sharing
Multi-tenancy on the RAN side of the network, allowing an eNB to broadcast multiple PLMN IDs (MCC/MNC) in the System Information Block (SIB).
SIP Register – Lesser Known Features
Some of the lesser used / utilized features of the SIP REGISTER method.
Radio Planning with Forsk Atoll Tutorial – Part 1 – The Basics: Sites and Transmitters
Introduction to Forsk Atoll, placing sites and transmitters & basic modeling.
Forsk Atoll 101 – Part 3 – Manual Site Placement
In our last post we talked about getting our geospatial data right, and in our first post we covered the basics of adding sites and transmitters. There’s a bit of…
Forsk Atoll 101 – Part 2 – Where are we?
Adding some real world data to Forsk Atoll to allow us to make accurate coverage predictions.
Kamailio Bytes – http_client
Using Kamailio to send HTTP requests (POST & GET) to a HTTP server and store the result.
Kamailio Bytes – Multiple Kamailio Instances on a Single Box
Running multiple instances of Kamailio on the same server using init.d
Ansible for Scaling and Deployment of Evolved Packet Core NEs
Using Ansible to orchestrate EPC Network Elements
GTPv2 – F-TEID Interface Types
A quick look at the Interface Types in the F-TIED field in GTPv2
Kamailio Bytes – SIP over TLS (SIPS)
Using Transport Layer Security (TLS) to protect SIP traffic from modification / manipulation and guarantee message authenticity.
Kamailio Bytes – Nightly Releases the Lazy Way
Using apt package manager to install nightly Kamailio builds
Kamailio Bytes – Ansible for Automating Deployments
Using Ansible to automate Kamailio deployments at scale
Things I wish I knew about setting up private VoLTE Networks
Lessons learned about setting up VoLTE / IMS Networks at small scale.
BaiCells Neutrino eNB Setup
Configuring BaiCells Neutrino eNB
VoLTE / IMS – P-CSCF Assignment
How the P-CSCF address is assigned to a UE in Protocol Configuration Options (PCO) during bearer establishment.
Automated SIP testing with sipcmd
Using sipcmd to test SIP Services from the command line
SRS LTE – Software Defined LTE Stack with BladeRF x40
Using SRS LTE Stack with the BladeRF x40 Software Defined Radio (SDR)
SIP SIMPLE – Instant Messaging with SIP
A look into Instant Messaging using SIP