Mindaugas Kezys



157 Stories by Mindaugas Kezys

PBX Security Best Practices

This document outlines some of the most common IP PBX hacking situations and proposes some basic safeguard configurations. Source: http://i3forum.org Why is securing your...
0 2 min read

2022 March Update

The world is changing in front of our eyes. For the first time in world history from 1939, major world power russia attacked its...
0 1 min read

2022 February Update

Quick update about the work we did last month. Released functionality in the last month: Reworked Subscriptions system We have implemented extended functionality...
0 1 min read

Freeswitch installation on Debian 11

A short, step-by-step guide for proper installation of Freeswitch on Debian 11 (bullseye) The official instructions are barebone, so this guide is a supplement...
0 2 min read

The causes of No-Audio and One-Way-Audio VoIP Calls

What is it? Quite a common problem, when a voice call is successfully completed, but the voice packets only successfully travel in one direction,...
1 3 min read

2022 January Update

Quick update about the work we did last month. Support work-flow updated Changes to our Support System: We are working on some huge improvements...
0 1 min read

Which Routing Model to use?

We have many routing types and algorithms to choose from. Which one should we use, and when? What criteria determine the best routing model?...
2 3 min read

2021 November Update

Quick update about the work we did in 2021 November. Product Development work-flow updated We have implemented a system to handle custom development requests....
0 51 sec read

High-Availability, Redundancy and Fail-Over

It’s never a matter of if a system goes down. It’s always a matter of when. (SysAdmin wisdom) High Availability Computational environments designed to...
0 3 min read