Categories
Asterisk Kamailio VoIP

Kamailio Bytes – Gotchas with Kamailio as an Asterisk Load Balancer

Things to keep in mind before using Kamailio as a Load Balancer for Asterisk

Categories
Asterisk Kamailio VoIP

Kamailio vs Asterisk

Comparison on Asterisk and Kamailio and where they fit in the Telephony landscape.

Categories
Asterisk FreeSWITCH IMS / VoLTE Software VoIP

Sangoma Transcoding Cards Setup

Updated documentation for managing D150 transcoding cards

Categories
CGrateS Mobile Networks SDM Software VoIP

CGrateS in Baby Steps – Part 4 – Rating Calls

In our last few posts we got CGrateS setup in order to have rates and tariffs in the system, so we can price a call. Where we ended we were able to use the APIerSv1.GetCost method to get the cost of a call, and today, we’re going to actually create some rated CDRs. So again […]

Categories
CGrateS FreeSWITCH Software VoIP

CGrates – FreeSWITCH Interaction

Linking FreeSWITCH and CGrates for realtime credit control and billing

Categories
CGrateS EPC IMS / VoLTE Mobile Networks Software VoIP

CGrates in Baby Steps – Part 1

Getting started with CGrateS to bill for calls in a Telecom environment.

Categories
Asterisk Kamailio VoIP

Using Docker to develop SIP solutions with Kamailio

Using Docker to spin up environments to test Kamailio in

Categories
RFCs & Standards VoIP

FreeSWITCH WebRTC with sipML5

Using FreeSWITCH to serve WebSocket / WebRTC connections

Categories
GSM IMS / VoLTE Mobile Networks VoIP

GSM with Osmocom: Call routing in GSM

How call routing in GSM works and it’s application in the Osmocom suite

Categories
Kamailio VoIP

Kamailio Bytes – UAC for Remote User Registration to external SIP Server (Originating SIP REGISTER)

Using Kamailio’s UAC module to send outbound SIP REGISTER messages

Categories
Kamailio Security VoIP

Kamailio Use Case – SIP Honeypot with SQL Database

Creating a Kamailio based SIP Honeypot

About

Hi, I’m Nick & I build networks. As a kid I was given an old rotary phone to play with and ended up creating my own mini exchange out of scrounged components. While my soldering iron burns have healed, my love of the tech hasn’t. So this blog focuses on telecommunications network engineering, from the […]

Categories
AI VoIP

IBM Watson – Speech to Text (SST)

Using Watson for Speech to Text transcription of Call Audio for Telephony applications

Categories
Kamailio Linux VoIP

Kamailio 101 – Part 10 – Recap

Recap of the series

Categories
Asterisk Linux Python Security VoIP

Message Amplification & UDP Flooding with SIP

DNS style message amplification using SIP requests to flood a server / host.

Categories
Kamailio Linux VoIP

Kamailio 101 – Part 2 – Installation & First Run

Installing Kamailio on Ubuntu, basic rules for wring config files and we respond to SIP messages!

Categories
Kamailio Linux VoIP

Kamailio 101 – Part 1 – Introduction

Introducing Kamailio SIP Server & explaining it’s uses.