VoIP PBX Server¶
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PBX server¶
How to Implement a full PBX server step by step
Set up a VoIP PBX¶
There are many proprietary IP PBX solutions available in the market but some companies may opt to utilize open source software such as Asterix to build their own solution from scratch. It is a great solution if the business has experts who are familiar with the software and VoIP in general. It allows for even more flexibility, control and customization than proprietary solutions.
Since the software is open source, there is no need to purchase licenses or subscriptions. This makes it a good choice for businesses that don’t want or cannot spend thousands of dollars on commercially available systems. Because there is no cost associated with the software itself, the whole system can be set up quickly and cheaply. Creating a VoIP PBX with Asterix involves the following steps:
Purchase and setup a server with the appropriate software. Asterix does not have steep system requirements, which means that it can be installed even on older hardware.
Install the open source IP PBX software. Asterix comes in many forms and you can select the alternative that suits your business. One option may have a better interface or features that makes it suitable for you.
Connect phone service with either PSTN or SIP trunking. If you need to connect to PSTN lines, a gateway is usually required and configuration can take a while. The most commonly used option is to connect with SIP trunks to an ITSP – Internet Telephony Service Provider.
Set up phones. Asterix is based on the SIP protocol, means that most phones will work out of the box.
Asterisk¶
Asterisk is an amazing open-source PBX and telephony toolkit that acts as middleware between internet and telephony channels (VoIP gateways).
You can run Asterisk properly on GNU/Linux distributions, Sun Solaris, Apple’s Mac OS X, Cygwin, and the BSD variants.
With Asterisk, you can build communication applications, build your own custom system, conference servers, and is used by SMBs, enterprises, call centers, carriers, and governments worldwide.
FreePBX¶
Freepbx is a popular open-source IP PBX that is unlimited, secure, customized, intuitive, flexible, support many languages.
Some may consider it as the right tool that gives users ability to build a phone system tailored to their needs.
Freepbx is completely free to download and use, it let you connect to the world with SIPStation and enjoy the best in call quality, reliability, and auto-provisioning.
Kamailio¶
- Kamailio *able to handle thousands of call setups per second._is an
Open Source SIP Server, it is an _open-source SIP Server released under GPLv2+, able to handle thousands of call setups per second.*
Kamailio can be used to build large platforms for VoIP and realtime communications, it also has a powerful features: asynchronous TCP, UDP and SCTP, secure communication via TLS for VoIP.
OpenPhone¶
OpenPhone is an open-source desk telephone implemented in Python and pjsua licensed under the MIT license. It is focused on using Orange Pi Zero, and Polycom CX300.
OpenPhone software features include using SIP accounts, let to make dialing easier, it speaks the name of the caller when a call comes in. hardware features include supporting single-board computers, sound cards, speakers, amplifiers, keyboards, cameras, network devices, and more.
Elastix¶
Elastix is an open source unified communications server software that brings together: IP PBX, Email, IM and Faxing. The Elastix functionality is based on open source projects including Asterisk, HylaFAX, Openfire and Postfix. Those packages offer the PBX, fax, instant messaging and email functions, respectively, Elastix runs on CentOS operating system.
OpenSIPS¶
- OpenSIPS is an Open Source PBX server including application level
functionality like voice, video, team chat messaging, and user presence.
It’s fast, reliable, and offers a customizable routing engine.
OpenSIPS can handle over 5000 call setups per second. On systems with 4GB memory, OpenSIPS can serve a population of over 300,000 online subscribers.