Category: Asterisk

RTPEngine with Kamailio as Load-balancer and IP Gateway

Post author By Emmanuel Schmidbauer
Post date August 11, 2015
30 Comments on RTPEngine with Kamailio as Load-balancer and IP Gateway

This post explains how to setup Kamailio as an SBC and IP Gateway. We are using Debian 8 in this example. It uses Kamailio’s dispatcher module to distribute calls to Asterisk. It uses RTPEngine to proxy media to & from the public internet across the LAN to Asterisk. This is a powerful setup as you […]

François Marier: Using a Let's Encrypt TLS certificate with Asterisk 16.2 September 25, 2022
In order to fix the following error after setting up SIP TLS in Asterisk 16.2: asterisk[8691]: ERROR[8691]: tcptls.c:966 in __ssl_setup: TLS/SSL error loading cert file. I created a Let's Encrypt certificate using certbot: apt install certbot certbot certonly --standalone -d hostname.example.com To enable the asterisk user to load the certificate successfuly (it doesn't have permission […]
François Marier: Connecting a VoIP phone directly to an Asterisk server September 23, 2022
On my Asterisk server, I happen to have two on-board ethernet boards. Since I only used one of these, I decided to move my VoIP phone from the local network switch to being connected directly to the Asterisk server. The main advantage is that this phone, running proprietary software of unknown quality, is no longer […]
François Marier: Encrypted connection between SIP phones using Asterisk September 23, 2022
Here is the setup I put together to have two SIP phones connect together over an encrypted channel. Since the two phones do not support encryption, I used Asterisk to provide the encrypted channel over the Internet. Installing Asterisk First of all, each VoIP phone is in a different physical location and so I installed […]
François Marier: Setting up a JMP SIP account on Asterisk September 23, 2022
JMP offers VoIP calling via XMPP, but it's also possibly to use the VoIP using SIP. The underlying VoIP calling functionality in JMP is provided by Bandwidth, but their old Asterisk instructions didn't quite work for me. Here's how I set it up in my Asterisk server. Get your SIP credentials After signing up for […]
ng-voice: ng-voice and Casa Systems partner to deliver truly cloud-native network infrastructure solutions to service providers and enterprises | September 2022 September 22, 2022
22 September 2022 – ng-voice, leading provider of fully containerized and cloud-native solutions for the telecom market, announced today a partnership with Casa Systems, a leader in physical and cloud-native infrastructure technology solutions. The partnership will deliver fully cloud-native solutions to mobile network operators (MNOs), mobile virtual network operators (MVNOs), and enterprise customers worldwide. […]