Tech

Vodia PBX on Microsoft Azure Platform

Published on:

March 5, 2015

Installing the Vodia PBX on a Microsoft Azure server provides an easy solution for businesses looking for a cloud PBX. The installation process is similar to that on any Windows operating system, but there are key steps to ensure smooth operation. First, make sure to open all necessary ports, including HTTP (80), HTTPS (443), TFTP (69), NTP (123), and LDAP (2345 for StartTLS, 2346 for TLS). Additionally, for audio traffic, virtual networks require specific endpoints with both public and private ports. The RTP range (e.g., 49900-50000 for 25 calls) must be configured based on how many calls you need. Each call uses four ports, so adjust accordingly for your system.

We recently had the opportunity to install the PBX on a Microsoft Azure server. This blog entry is about what we learned.

First if all, what is Microsoft Azure? In short, it’s Microsoft’s cloud platform. It's a growing collection of integrated services - computing, storage, data, networking, and app - that help you move faster, do more, and save money. But that’s just scratching the surface. The Vodia PBX can be easily installed on the Azure Server.

The installation of the software itself is just like installing the Vodia PBX on any other Windows operating system.
Once the PBX is installed on your virtual server, you’ll have to open some ports (for example):

  • HTTP Port: 80
  • HTTPS Port: 443
  • TFTP Port: 69
  • NTP Port: 123
  • LDAP Port: (TCP, StartTLS): 2345
  • LDAP Port (TLS): 2346
  • RTP range: This setting will depend on how many calls you’d like to have on the system.

For the PBX to receive and send audio on your virtual server, you’ll have to open some endpoints. Virtual networks require endpoints to direct the inbound network traffic to a virtual machine. Each endpoint has a public port and a private port.

  • The public port is used by the Azure load balancer to listen for incoming traffic to the virtual machine from the Internet.
  • The private port is used by the virtual machine to listen for incoming traffic, typically destined to an application or service running on the virtual machine.

To open an endpoint on your Virtual Machine please navigate to create an Endpoint.

NOTE: An RTP range of 49900-50000 will allow you 25 calls. That’s 100 ports for RTP. Each call uses 4 ports, so you’ll have to decide how many calls you want on the system. To determine how many calls you would like on your system, multiply the number of calls by 4 to get the number of ports you’ll need.

Navigate to the Dashboard, click on ENDPOINTS, and open your RTP range here.

Latest Articles

View All

Open Source PBX vs Commercial PBX: What You’re Really Managing

Organizations often start with an open source PBX for flexibility, but as systems move from initial setup to daily operations, the real cost becomes management, maintenance, and long-term reliability. This article explores the difference between building a PBX stack from frameworks and running a commercial, integrated PBX platform, focusing on operational complexity, security responsibility, upgrades, and ongoing maintenance. It explains how a purpose-built PBX shifts the burden from continuous engineering to stable operation, helping teams prioritize clarity, control, and scalability as requirements grow.

February 12, 2026

The Vodia PBX and Google Gemini

Vodia PBX now integrates Google Gemini with JavaScript IVR and Voice Agents, enabling real-time, AI-driven call handling and intelligent routing. By combining Gemini’s multimodal large language models with Vodia’s programmable IVR framework, organizations can build voice agents that stream audio in real time, make routing decisions through function calls, and handle both basic and attended transfers with AI-assisted screening. This integration allows businesses to automate call flows, reduce hold times, and improve productivity using conversational AI that works directly inside the PBX.

February 4, 2026

6 + 1 Phone System Features You Need in 2026

In 2026, a modern phone system must go well beyond basic calling. Core requirements now include built-in AI for smarter call handling and transcription, real-time analytics dashboards for visibility and control, flexible auto attendants to route calls efficiently, seamless Microsoft Teams integration, and robust mobile apps that support hybrid and remote work. Clear separation between business and personal calls protects work-life balance, while reliable white-glove support ensures these capabilities work smoothly in real-world environments as communication needs evolve.

January 30, 2026