CGrateS in Baby Steps – Part 2 – Adding Rates and Destinations through the API
Nick CGRates in Baby Steps - Part 2 - Introduction to the CGrates API
VoIP
CGrates – FreeSWITCH Interaction
Linking FreeSWITCH and CGrates for realtime credit control and billing
Kamailio I-CSCF – SRV Lookup Behaviour
Recently I had a strange issue I thought I’d share. Using Kamailio as an Interrogating-CSCF, Kamailio was getting the S-CSCF details from the User-Authorization-Answer’s “Server-Name” (602) AVP. The value was…
Kamailio Bytes – Extracting SDP Parameters with Kamailio
Extracting SDP Parameters with Kamailio
Sending SMS with an alphanumeric String as the Source
If you’ve ever received an SMS from your operator, and the sender was the Operator name for example, you may be left wondering how it’s done. In IMS you’d think…
FreeSWITCH mod_python3 – Python Dialplans
Using Python3 inside the FreeSWITCH Dialplan
FreeSWITCH – Incompatible Destination
A quick look at a possible cause for "INCOMPATIBLE DESTINATION" errors in FreeSWITCH.
Kamailio, IMS & DNS Headches
A quick post on a lesson that took me a while to learn with DNS, Kamailio and IMS.
FreeSWITCH, Kamailio & IMS Extensions
Bad Extension is nothing to do with the Dialplan...
CGrates in Baby Steps – Part 1
Getting started with CGrateS to bill for calls in a Telecom environment.
Demystifying SS7 & Sigtran – Part 5 – What layer to Split
A look at taking SS7 traffic and putting it onto IP / SIGTRAN links on the MTP2 / Layer 2 level.
The Surprisingly Complicated World of SMS: Apple iPhone MT SMS
Quirks and gotchas of working with SMS on IMS on iPhones.
Installing Yate from Source on Ubuntu 20.04
Build instructions for YaTE
Kamailio Bytes – Working with Redis
Using Redis with Kamailio
FreeSWITCH as an IMS Application Server
Using FreeSWITCH as an IMS Application Server
Demystifying SS7 & Sigtran – Part 4 – Routing with Point Codes
Getting from Point Code A to Point Code Z.
Demystifying SS7 & Sigtran – Part 3 – SS7 Lab in GNS3
Setting up our GNS3 environment with a bunch of SS7 Nodes
Demystifying SS7 & Sigtran (With Labs!) – Part 2 – Ingredients Needed
Looking at the basic components that make up our SS7 Networks.
Demystifying SS7 & Sigtran Networks (With Labs!) – Part 1 – Intro
Taking a look at the basics of the SS7 Protocol Stack.
Handling multiple SIP headers with the same name in Kamailio
Some tricks to handle if you've got multiple headers all with the same name in Kamailio