10 Free and Open Source Call Center Software for Small Business

call center solution


Call center agents need to evolve and better address the needs of customers continually. There is a seemingly endless number of tools and applications they use on a day-to-day basis to empower their efforts and live up to customers’ expectations. A sizeable user base at call centers is now accepting independent applications like open-source call center software to support and strengthen the way they work.

Free and open source call center solutions have emerged as one of the best ways to empower businesses and modify their functions. Such solutions are not just easy to customize but can be transformed and integrated with existing applications seamlessly.

Open Source Call Center Software

Why Use Open Source Call Center Software?

Open source doesn’t always mean free! It usually suggests that you can host the software on your own and run its applications independently. At the same time, you can customize the software and update it yourself. You might have guessed it by now that you also need to troubleshoot challenges and upgrade it at regular intervals.

Open source Call center software can be sourced directly from dedicated providers with the capability of intense flexibility and customization. In spite of the little or no extra cost, the software ensures the improved quality of service across the board. However, check if there is any extra (or recurring cost) associated with the open source call center solution you are opting for.

List of 10 Best Open Source and Free Call Center Software

Now that we are aware of the importance of call center software, we move to the next step; choosing the best call center software for your business. There are numerous inbound as well as outbound call center software solutions available in the market today. But which of them is suitable for your business?

Here are 10 best open source free call center software solutions with different features to help you decide better:

  • Bitrix24

Call Center Software free

Bitrix24 is call center software free that provides useful features like an intranet and customizable web-based lead forms. Even if, you opt for its cloud version, you can start calling and receiving calls within a few minutes with the call center software. Free download for PC is available and can be downloaded by any browser.

The free version is for 12 employees, and you need to pay as your team expands. Its other important functionalities such as SIP connector, a phone number on rent, and the Bitrix24 telephony for outbound calls are available with additional costs.

Major Features of Bitrix24:

  • Free inbound phone calls
  • Automatic dialler, IVR
  • Detailed call history
  • Works worldwide
  • Free CRM within call centre
  • Desktop app (PC, MacOS)
  • Mobile app (iOS/Android)

Suitable For: Enterprises which require a customisable call center solution that can be integrated with other solutions.

Upgrade Pricing: Bitrix24 provides a free plan which can be upgraded to a Premium plan for ₹2757 which provides additional features such as a phone number on rent, SIP connector, and Bitrix24 telephony for outbound calls.

  • VMukti 1.1

VMukti 1.1 is a comprehensive call center solution, which is suitable for both inbound and outbound call centers. Built with an open architecture, this open source call center software supports all common standards, such as ITU, IETF, etc.

Further, you don’t need any proprietary hardware or software to use this free call center software. The solution provides many robust functionalities such as detailed statistics and answering machine detection to promote data-based decision making.

Major Features of VMukti 1.1:

  • Automatic Call Routing (ACD)
  • Authentication
  • Voice Logging/ Recording
  • Interactive voice response system
  • Conferencing
  • Database screen pops
  • Predictive dialling

Suitable For: Businesses who require analytical tools to monitor various metrices related to customer service.

Upgrade Pricing: Contact VMukti 1.1 through its official website for details.

  • GOautodial

Best Call Center Software

GOautodial is a fully-featured and best call center software, which can handle inbound, outbound and blended calls with efficiency. It’s loaded with many useful features for administrative setup and control, report generation, call recording capabilities and more. Also a multi-channel contact center application with both voice & non-voice functionalities.

Major Features of GOautodial:

  • Predictive dialler
  • Inbound IVR and ACD
  • Live chat
  • Email
  • Reports & analytics
  • Multi-language

Suitable For: Businesses looking for multichannel solutions such as voice, chats etc.

Upgrade Pricing: ₹1061/month per user which provides cloud storage services.


AVOXI is a cloud-based contact center software, which provides many business-class phone features to ensure uninterrupted continuity of customer service. You can leverage VoIP phone service technology with AVOXI and meet specific business needs such as scaling up and down your customer service requirements.

You can also get a virtual phone number so that you can forward a call from one location to another. AVOXI call center application software meets the international calling needs of call centers along with hotels, tour operators and other enterprises with a global presence.

Major Features of AVOXI:

  • Toll free services
  • Call recording
  • Call termination
  • SIP Trunks
  • DID/ DDI numbers
  • VPN solutions
  • Business telephone systems
  • VoIP phone systems
  • Conference calling

Suitable For: Hospitality businesses such as hotels and tour operators.

Upgrade Pricing: ₹1838 per month which provides 910 additional minutes for inbound/outbound calls.

  • Elastix

Call Center Software Solution

You can get Elastix call center software solution for free by just downloading it from the official website. It also supports unlimited simultaneous calls along with call logging and forwarding on busy or no answer. In addition, it promotes auto pickup on busy along with extensive Codec support.

Call reporting, call parking/ pickup and the support for SIP trunks/ gateways make this open source call center solution a must-have. However, as your business grows, you can opt for Pro and Enterprise versions for more advanced features.

Major Features of Elastix:

  • Call Recordings Search
  • Call Recordings Management
  • Queuing the Call
  • Call Recording
  • Web conferencing up to 25 participants

Suitable For: Businesses who want a call centre software with call monitoring and training modules.

Upgrade Pricing: Users can get the open source software free of charge, however you can become a reselling 3CX Partner by contacting them, through their official website.

  • VICIdial

Call center software free download for PC

VICIdial is an open source call center software with more than eight hundred registered installations till now. Also, thousands of people have downloaded the official release of VICIdial in just one year. It’s a fully-featured predictive dialler, which is capable of inbound, outbound and blended call handling. This open source software also allows service agents to log in from remote locations.

Major Features of VICIdial:

  • ACD for inbound calls
  • Outbound agent-controlled, broadcast and predictive dialing
  • Three-Way calling within the agent application
  • Scheduled Callbacks: Agent-Only and Anyone
  • Scalable to hundreds of seats

Suitable For: Businesses looking for inbound, outbound and blended call processes.

Upgrade Pricing: ₹ 28,275 per month for VICIhost call software which provides hosting services per month, with the first month being free.

  • OrecX

OrecX is a free call center software, which comes with a fully featured commercial version. Using this open-source software, you can manage Cloud, VoIP & TDM call recording at a significantly lower price. It ensures convenient setup with easy maintenance and is deployed worldwide across 200 countries. Also, you can rest assured of no-cost localization and customization so that you can optimize the processes at your call centre as per your business needs.

Major Features of OrecX:

  • Open API
  • Audio Recording
  • Open Data Model 
  • Archiving
  • Distributed Call Recording
  • Event Triggered Recording
  • File Transfer
  • Multiple OS Integration
  • Database Integration
  • Server Integration

Suitable For: Medium businesses and enterprises with growing consumer base.

Upgrade Pricing: Starts from ₹ 1132 which provides full software customisation with open APIs.

  • Asterisk

If you are looking for a comprehensive, free, and open source call center software, Asterisk is an ideal choice. Asterisk call center software provides advanced modules to tackle all the tasks related to customer service. Asterisk telecommunications platform also provides low-maintenance tools which are easy to work with and can easily be integrated with telephony hardware.

Major Features of Asterisk:

  • Auto Dialer
  • Reporting/Analytics
  • Call Monitoring
  • Telemarketing Management
  • Call Center Management
  • VoIP
  • Contact Management
  • IVR / Voice Recognition
  • Predictive Dialler

Suitable For: Big enterprises looking for an all-encompassing call software solution.

Upgrade Pricing: The basic plan is free while ₹ 1625 for Channelized SIP Trunking which provides unlimited inbound/outbound local and long-distance minutes/channel.

  • Ekiga

Contact Center Software

You can easily find a call center software free of charge today, however, Ekiga is widely popular among call centers across the globe for its softphone, video conferencing and messaging solutions. It can be integrated with a plethora of codecs and has a user-friendly interface. However, it provides all its users a SIP address, free of cost. This SIP address lets users to make outbound calls to customers across the world, including video calls.

Major Features of Ekiga:

  • Call Hold
  • Call Forwarding
  • Message/call Waiting
  • Call Transfer
  • Calls History
  • Call Monitoring
  • Address Book Management
  • Auto-Answer
  • HD sound quality
  • PC-To-Phone calls
  • Echo Cancellation

Suitable For: Technical business processes, which require videoconferencing

Upgrade Pricing: Contact Ekiga’s official website for details about the pricing.

  • CallHippo

CallHippo is another free and open source call center software, suitable for small businesses that need or require basic call centre management tools. It also has a user-friendly interface with simplistic tools which provide a cost-effective solution to small businesses.

CallHippo also provides easy integration with other third-party CRM software for a seamless customer service management.

Major Features of CallHippo:

  • CRM integration
  • Call Routing
  • Toll Free Number
  • Multiple Simultaneous Calls
  • Call Recording
  • Multi User login
  • Contact Management
  • Caller ID
  • IVR
  • Dial Groups
  • Internal Call Transfer
  • Auto-Dialler
  • Real Time Reporting

Suitable For: Small and Medium Businesses who require basic call centre tools.

Upgrade Pricing: CallHippo call software Bronze Plan starts from ₹ 700 per user per month.

Benefits of Call Center Software Free Open Source

Call center software enables the smooth functioning of a plethora of customer-facing processes in a business. If your customer service reps deal with a large number of clients every day and address their queries, then call center software is the ideal solution for you.

With the help of call center software, businesses can manage tasks such as transactions, information queries, delivery related info, troubleshooting, or other support related calls.

Suggested Read: Top 20 Best Call Recording Apps for Android Phones 2019

An ideal outbound or inbound call centre software comes with numerous benefits. Some of these are mentioned below:

  • Automation

With the help of a call centre software, business processes can be automated as much as possible to ease human efforts. Automatic call queue and call time recording are some of the tasks where a call center software contributes. It helps in categorising calls based on what type of query the customers have, so that calls can be routed to the specific department.

  • CSR Management

Call centre software helps reduce the wait time of customers. It also helps customer care representatives retrieve and access the files of customers instantly. As a result, agents provide instant support and resolution to the clients.

  • Simplified Communication

Call centre software also helps internal departments communicate and exchange data for quick and effective customer service. Call centre software provides easy tools to the employees with which they can transfer or merge calls with different departments.

Agents can also monitor the tasks so that they can be executed to completion. You can record and retrieve the task history so that agents can immediately pick up the work from where the subordinates left it.

  • Augmented Sales

Sales can be multiplied manifold with the help of a call centre software. In traditional sales process, one person can only make a limited number of sales in a day. But a call centre software helps expedite and streamline the sales processes so that as soon as one case is closed, the agent can immediately move to the next one.

The call centre software also provides information and purchase history of a customer, which can help agents in cross-selling. This results in more sales and, as a result, more profit.

  • Enhanced Security

Call centre software provides secure data access and encryption tools so that no data breach can be committed. It also provides a UI from where data cannot be recorded or extracted for malicious purposes.

In addition, most of the standard call centre software solutions provide cloud backup which helps in saving data in a remote server. This is done so that in case of any physical on-site accident, the data can remain secure remotely.

  • Prioritising and Channelling

Call centre software helps in prioritising tasks on the basis of urgency by routing and assigning priority calls to the concerned department. It also helps in proper allocation and distribution of calls, in times of high call-flow. 

  • Multi-channel Assistance

All the standard call centre services nowadays provide multi-channel assistance option through which customers can seek help through SMS, calls, website or mobile apps. This helps in reducing traffic on a specific channel and distribution of work.

Moreover, it also provides customers the option to choose the channel they are comfortable in.

  • Value Addition

It is a known fact that people like to talk to a person rather than an automatic machine, because they trust human intelligence more for troubleshooting. Call centre software provides customers a platform where they can seek assistance from people who can understand the complexity of their problem and provide efficient solutions.

The Bottom Line

Open source call centre applications have opened up new opportunities for small and mid-sized companies to be driven towards higher productivity and efficiency. With free and relatively cheaper licenses for call centre systems, companies can now adopt new technologies and deliver better customer service.

In the final analysis free and open source software are providing a big relief to bootstrapped and limited-budget companies out there. Now, they don’t have to depend on someone else to manage the vulnerabilities in their customer service process. Companies can create customized and flexible solutions for their specific needs. With options in addition like those outlined above, it’s clear that open source technology has opened new frontiers for call centre staff and managers.


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