List of the Top 25 Call Center Software for Linux in 2025

3CX is a versatile, software-driven IP PBX built on open standards that delivers comprehensive Unified Communications straight out of the box. It caters to businesses of all sizes and across various sectors, offering a full suite of features that range from mobility and presence indicators to sophisticated call center functionalities, all at a significantly reduced cost. This platform is particularly well-suited for remote work environments, featuring mobile applications, video conferencing capabilities, and live chat integration for websites. Installation, management, and maintenance of the PBX are straightforward, allowing users to easily handle it themselves on their own hardware, a dedicated server, or via a cloud environment. Alternatively, users can opt for 3CX's hosting services to simplify their setup even further. With its user-friendly design and extensive feature set, 3CX empowers companies to enhance their communication strategies effectively.

Are you in the market for a modern phone system? CloudTalk.io presents an advanced cloud-based phone solution tailored for small and medium enterprises, startups, and online retailers. It is also compatible with both sales and customer service call centers, enhancing their operational efficiency. With over 25 integrations available for popular CRM, helpdesk, and e-commerce platforms such as Shopify, Salesforce, and Pipedrive, you can easily connect your existing tools. Additionally, our dedicated 5-star customer success team is committed to ensuring a smooth transition, whether you’re migrating from another system or establishing a new cloud call center from the ground up. Our rapid growth is evident, as we have formed successful collaborations with more than 1,000 companies globally, including renowned names like DHL, Yves Rocher, and Karcher. Plus, you can try CloudTalk risk-free with a 14-day trial that doesn't require any credit card information, allowing you to explore its features without commitment. Experience the benefits of an innovative communication system today!

VirtualPBX Contact Center is transforming the landscape for small to medium-sized contact centers. Boasting more than 27 years of expertise in cloud communications, VirtualPBX delivers a tailored and all-encompassing solution for remote contact center needs. As a privately-owned company based in the United States, VirtualPBX provides exceptional customer support available around the clock, software known for its remarkable reliability with 99.999% uptime, and countless options for customizing call flows and queues to cater to the specific requirements of each client.

Our autodialer solution is designed to streamline various communication processes including sales calls, payment collection, and appointment notifications. Additionally, it is capable of facilitating mass emergency voice broadcasts. This versatile system is perfect for telecommunications companies or businesses offering call center solutions. It features a multi-tenant architecture with billing options, can be customized with white-labeling, and is cost-effective as users can select their preferred Voice Provider. By efficiently handling busy signals, disconnected lines, and unanswered calls, our autodialer software can significantly boost productivity; it also passes calls to live agents and leaves messages on answering machines when necessary. This functionality ensures that no potential opportunity is missed, making it a valuable tool for any organization looking to enhance its communication efforts.

Introducing the T-Max Predictive Dialer, a versatile CRM dialing solution that supports unlimited calling and free trials, making it perfect for teams involved in debt collection, marketing, and sales activities. This innovative dialer empowers users to connect with numerous live contacts simultaneously by dialing up to five numbers at once, enhancing efficiency and productivity. The automated functionality of the T-Max Predictive Dialer significantly minimizes issues like busy signals, misdialed numbers, or lack of responses, ensuring that recipients are directed to a live agent with their very first attempt. Furthermore, managers can utilize monitoring features to listen in on calls, intervene for quality assurance purposes, or effectively conclude conversations when necessary. In addition to its predictive dialing capabilities, this hosted auto dialer VOIP phone system incorporates a range of features such as a preview dialer, power dialer, SIP phones, webphones, voicemail drops, and local caller ID. Our offerings also extend to Voice Broadcasting AutoDialer Trials, making it a comprehensive tool for communication needs. Notably, T-Max Predictive Dialer seamlessly integrates with various CRM platforms, including Salesforce, Zoho, and Monday, ensuring flexibility and ease of use for all types of businesses.

Elevate customer engagement across multiple platforms with uContact, the cloud-based contact center solution from net2phone. Designed for scalability and durability, uContact serves call centers or BPOs that handle an exceptionally high call volume, offering unparalleled flexibility in call routing; it is also ideal for large organizations that need to efficiently manage substantial inbound and outbound calls for their sales and support teams. With uContact, you can effortlessly oversee every interaction within your contact center. Deliver exceptional voice quality during inbound, outbound, or blended campaigns while connecting with customers through their favorite digital channels with the help of the Unified Inbox. This all-encompassing platform includes features such as functionalities for agents and supervisors, various voice options, omnichannel support, and automation tools like chatbots, a form creator, and a workflow designer. By leveraging these capabilities, businesses can optimize their operations and enhance the overall customer experience.

You can obtain an effective business phone system without breaking the bank. At Insider Telecom, we simplify access to advanced tools for small businesses across the United States. We provide the necessary equipment for as long as you require, allowing you to take advantage of essential features such as caller ID, conference calling, call forwarding, and intercom services. Importantly, you won't have to make any upfront investments to acquire a comprehensive business phone system. This is what sets Insider Telecom apart from the competition. Our dedicated support team recognizes that not everyone is familiar with telecommunications jargon, so they are equipped to listen to your unique needs and assist you in selecting the ideal phone system for your requirements. We strive to ensure that you feel assured in your choice of platform and confident in the service you receive. Ultimately, we believe that every business deserves access to top-notch communication tools.

My Call Cloud provides a powerful, reliable, and easy-to-use hosted cloud Contact Center Solutions platform. This service enables clients to effectively handle Inbound, Outbound, and Blended calls, whether their agents are located in-house or working remotely. Our partnerships with Call Center Software providers grant access to innovative features such as SMS communication, IVR message blasting with Text-to-Speech capabilities, Facebook messaging, and unique offerings like No-Dial, which allows voicemail delivery to mobile devices without ringing. Furthermore, My Call Cloud's automated dialing technologies are designed to elevate your expectations for contact center software. By optimizing lead management, businesses can streamline their call ratios, achieve sales and marketing objectives, and engage with customers instantly. Additionally, our system incorporates multiple internal do-not-call lists, ensuring adherence to the Telephone Consumer Protection Act. Ultimately, My Call Cloud's advanced cloud call center software stands out as a premier choice for businesses seeking effective communication solutions. In a constantly evolving digital landscape, our commitment to innovation ensures that clients remain ahead of the competition.

A Hosted Business Phone System PBX can elevate any organization’s image and operational capabilities to that of a Fortune 500 company. With an auto-attendant in place, incoming calls can be efficiently managed, allowing customers to reach the right person by dialing names, selecting extensions, or choosing departments. Additionally, if you're frequently on the go, your calls can be seamlessly forwarded to your mobile device. T-Max provides complete geo-redundancy, with servers strategically located in premier data centers throughout the United States. We utilize multiple carriers to guarantee optimal connectivity to the PSTN, ensuring that your communication remains uninterrupted. T-Max also offers a selection of high-quality desk phones from renowned manufacturers like Yealink and Polycom, with various models available to perfectly fit your workspace. Our offerings extend to a wide range of devices including reception consoles, agent phones, wireless options, and conference room phones. Discover the best value in Hosted Business Phone Systems available today. Call us at 1-888-245-34883 for more information about our services, which include departments, extensions, digital receptionists, voice prompts, voicemail, fax service, and much more. Our comprehensive solutions are designed to meet the unique needs of your business, ensuring that you stay connected and efficient.

For over two decades, our cutting-edge technology has been at the forefront of providing telecom services. We specialize in a variety of areas including Hosted IP-PBX, SIP Trunks, Call Center Software, Wholesale, and Data Services, ensuring that our offerings align with the FCC standards for STIR/SHAKEN network compliance with outstanding service, competitive rates, and top-tier products. The XCast Unified Communications system is designed to be both scalable and international, featuring unlimited, complimentary extension-to-extension connectivity across the globe, all managed effortlessly through a web-based Administrator Control Panel (ACP) that simplifies the oversight of your features. We are excited to present our promotional pricing options, which include the Hosted PBX Basic package at just $9.95 per month and the Sip Trunking Basic plan at only $4.95 per month, making it easier than ever to enhance your communication capabilities.

Zadarma provides a business phone solution that eliminates the need for extensive wiring or complex hardware setups. Their services include VoIP, Cloud PBX, CRM functionalities, and website widgets, along with seamless integration with leading CRM platforms. Additionally, virtual phone numbers can be obtained in 100 different countries worldwide, starting at just $2 each month, making it an affordable option for businesses of all sizes. This flexibility allows companies to streamline their communication processes while maintaining a global presence.

PBXware stands out as the original and most prominent IP PBX Professional Open Standards Turnkey Telephony Platform available today. Since its inception in 2004, PBXware has been delivering adaptable, dependable, and scalable Next Generation Communication Systems (NGCS) alongside VoIP solutions tailored for small and medium-sized businesses (SMBs), large enterprises, Internet Telephony Service Providers (ITSPs), call centers, and various governmental agencies across the globe. This achievement is realized by integrating the finest elements of cutting-edge technologies. The Bicom Systems softswitch is offered in several editions, including Business, Call Center, and Multi-Tenant, with each edition designed to support specific features that enhance performance, reliability, and expandability, ensuring users get the most out of their systems. This versatility makes PBXware a preferred choice for organizations seeking robust telephony solutions.

Livepro serves as the perfect Knowledge Management solution tailored for Customer Service and Experience. This versatile platform can be utilized in a variety of environments, such as at service counters, in field operations, or for customer self-service applications. It is designed to enhance customer experience scores while simultaneously decreasing the time required for training new employees. Additionally, Livepro promotes compliance and boosts staff engagement, making it a comprehensive tool for customer experience management. Unlike traditional systems that rely on extensive and complicated documentation, Livepro prioritizes delivering concise answers to agents. Its robust functionalities, including efficient search capabilities and straightforward process guidance, facilitate this approach. The user-friendly interface of Livepro minimizes the need for extensive training, which in turn fosters greater staff confidence and elevates customer satisfaction levels. By leveraging Livepro, businesses can achieve a remarkable 25% reduction in average handling time (AHT) and a decrease in call transfers by up to 35%. As a result, companies experience improved staff engagement and shorter onboarding times. Furthermore, the platform enhances compliance and mitigates risk through its authored content and SOC-certified secure data features. With Livepro, organizations are well-equipped to deliver exceptional customer service while optimizing operational efficiency.

Variphy stands out as the go-to analytics and management solution for Cisco Collaboration, serving over 1,500 organizations in both the public and private sectors, and supporting more than 4 million phones across more than 30 nations. With Variphy, you gain access to all essential functionalities seamlessly integrated into one interface, designed with the insights and needs of Unified Communications professionals in mind. Explore the capabilities Variphy has to offer: - Customizable Dashboards, UCCX Wallboards, and Widgets - Comprehensive CUCM CDR Reporting and Call Analytics - Detailed UCCX Reporting and Analytics - Cisco CUBE CDR Reporting - Variphy Cloud Solutions - Remote Phone Control, Macros, and Broadcasting Features - Effective Change Management and As-Built Reporting - DN and DID Inventory Management - Enhanced Consulting Services through Ninja We are excited to offer a fully operational trial of Variphy Call Analytics, allowing users to start producing customized reports on their CDR and CUCM data in as little as 20 minutes. Additionally, you have the flexibility to install Call Analytics on your desired server and operating system, or you can opt for a quicker setup by deploying our Linux OVA. This versatility ensures that Variphy meets the needs of a diverse range of users and environments.

ICTBroadcast serves as a comprehensive unified communications platform designed specifically for call centers, telemarketers, contact centers, and ITSPs, enabling them to deliver hosted services with multi-tenant and white-label capabilities. This software encompasses an autodialer, predictive dialer, and power dialer, featuring tools such as inbound IVR, IVR Studio, press 1 campaigns, and a full call center suite, while also including capabilities for AMD, HLR, DNC, surveys, appointments, and WEBRTC. Additionally, it supports various communication channels, including Voice, SMS, Email, and Fax broadcasting, making it an ideal choice for small business owners, entrepreneurs, and service providers alike. By allowing service providers to offer a diverse array of telemarketing and contact center services, ICTBroadcast can efficiently scale to manage thousands of simultaneous calls, fitting seamlessly into most voice broadcasting and call center operations with optimal communication management. Moreover, ICT Innovations stands out as an open-source solution provider dedicated to delivering inventive business solutions for Internet Telephony Service Providers, helping them discover novel revenue generation methods through innovative service offerings. This focus on creativity ensures that ICT Innovations remains at the forefront of technological advancements in the telecommunications industry.

net2phone stands out as a prominent provider of Unified Communications, delivering cutting-edge and cost-effective cloud telephony services across the United States and globally. With over three decades of continuous innovation and a robust Voice over IP foundation, net2phone has rapidly emerged as one of the industry's most dynamic players. Their comprehensive cloud-based solutions in unified communications and contact center technology empower businesses worldwide to engage their customers more effectively through improved intelligence and insights. As they continue to expand their global reach, net2phone remains committed to enhancing the way companies connect with their audiences.

The *astTECS IPPBX system serves as the perfect solution for businesses of all sizes, ensuring a comprehensive set of high-end features at a reasonable cost while holding TEC certification from the Government of India. This innovative PBX solution empowers organizations to be adaptable, forward-thinking, and competitive, all while streamlining telecom costs. Additionally, the *astTECS Call Center Dialer stands out as an omnichannel contact center solution, featuring a sophisticated real-time dashboard to monitor agents effectively. With the incorporation of advanced analytics and AI-driven capabilities, this dialer significantly enhances both agent productivity and customer interactions. Furthermore, *astTECS offers a robust call recording solution tailored for your business needs, with an intuitive voice recorder that boasts a range of advanced functionalities. Seamless integration with various PBX systems is a key benefit, as it supports ISDN/PRI, IP, analog lines, and mobile networks, ensuring comprehensive recording of all incoming and outgoing calls. This all-in-one solution not only optimizes communication but also facilitates better decision-making through detailed call insights.

Telebu Hub, often referred to as Hub, is a comprehensive contact center solution that supports both outbound and inbound operations, and it can be deployed either on-site or through cloud services. Its user-friendly design ensures a straightforward setup process, making it simple to expand and operate effectively. Additionally, the flexibility of deployment options allows businesses to choose the best fit for their specific needs.

VoIPstudio presents a top-tier VoIP phone solution priced for everyday consumers, ensuring the high standards of quality and security that businesses expect. It combines a wealth of innovative features and functionality with flexibility, scalability, and an exceptional user experience, all supported by a dedicated customer service team that operates across multiple channels. Tailored for a global audience, VoIPstudio is designed to function seamlessly across multiple sites and countries, utilizing cloud-based distributed hosting to offer the responsiveness and dependability essential for enterprise clients. This makes it an ideal choice not only for individual users but also for organizations with extensive extension needs, including various sectors such as media, call centers, software development, and meteorology. Customers benefit from the solution's adjustable capacity, which allows for easy addition or removal of users, ensuring they only pay for what they utilize without incurring costs for unnecessary capacity. Moreover, the platform is built to accommodate sudden increases in traffic, making it a robust option for businesses of all sizes. VoIPstudio’s offerings include over 40 advanced features and services available in every plan, such as number portability, call recording, conference calls, internet failover protection, interactive voice responses, call parking, video calls, video conferencing, and many more, enhancing communication possibilities for all users. This comprehensive feature set positions VoIPstudio as a leader in the VoIP market, catering to diverse communication needs effectively.

Sococo provides a virtual workspace that enables remote teams to collaborate closely on a daily basis, no matter their geographical locations. This online office environment can enhance productivity levels even more than traditional setups where individuals are physically present in the same building or shared space. By fostering real-time interactions, Sococo helps bridge the gap between remote workers, creating a sense of community and teamwork that might otherwise be lacking.

Smartz Solutions is revolutionizing the contact center industry by challenging outdated systems that have long kept businesses trapped with their complicated setups and exorbitant costs. Many contact centers are fatigued from managing fragmented and pricey systems, which adversely affect both customer satisfaction and employee morale. Our AI-driven 360° experience platform is transforming the way contact centers operate. Having experienced these challenges firsthand, we understand the pain of investing in legacy systems. At one point, we operated 15 different systems, all sluggish and ineffective, just to keep our call center running. We empathize with the struggle of trying to locate essential customer data and the frustration that arises when employee information is scattered across various platforms, obscuring the overall business picture. There's no need for you to operate your call center at the expense of lost revenue, missed opportunities, and dwindling patience. By utilizing a holistic technological framework, you can finally gain a comprehensive view of your entire customer base, enhancing both service delivery and operational efficiency. This shift not only streamlines processes but also empowers teams to deliver exceptional experiences.

Monster VoIP was established to offer outstanding voice clarity and ensure maximum uptime for clients across the United States, including major cities like Los Angeles, New York, Washington, D.C., Houston, Dallas, and Chicago. In addition to this commitment, the company prioritizes exceptional customer service and user satisfaction. To achieve geo-redundancy, we have strategically located data centers in Las Vegas, New York, Dallas, Minnesota, and Chicago, with all endpoints registered at each site. This approach guarantees that clients can rely on superior voice quality and reliable business phone uptime from multiple facilities. We have also developed a comprehensive suite of communication tools, allowing teams to familiarize themselves with just one user interface to meet all their communication demands. To uphold our promise of customer satisfaction, we provide tailored setups and continuous support available 24/7/365 for every business VoIP client that engages with us. Our dedication to service excellence is the cornerstone of our operations, ensuring that each customer feels valued and well-supported throughout their journey with us.

AVOXI Genius offers an affordable and user-friendly cloud-based call center software solution. With this web-based contact center, you can effortlessly oversee your business communications. The software seamlessly integrates voice services with your contact center operations. You can also activate virtual phone numbers in over 170 countries. AVOXI Genius is recognized as the top-selling solution globally, with pricing plans beginning at just $19.99 per user. For a limited time, you can take advantage of an offer that includes two months of complimentary service. This makes it an excellent option for businesses looking to enhance their communication capabilities without breaking the bank.

Remote teams can effectively utilize cloud phone systems, and JustCall offers a versatile solution that functions seamlessly on any device, enabling sales and support teams to communicate from anywhere at any time. Users can swiftly acquire phone numbers across 70 different countries and initiate or receive calls within moments. In just a few minutes, you can establish your own cloud phone framework, making JustCall the quickest and most straightforward option for managing your telecommunication needs. Discover how companies leverage JustCall to streamline their phone communications, enhancing agents' abilities to boost sales and conversion rates. Eliminate the complications of manual dialing and data entry, potentially increasing your sales call volume and productivity by as much as 300%. Moreover, with features like IVR and Smart Call Routing, as well as Live Call Monitoring, you can ensure a smooth customer experience. The addition of SMS Bots allows you to provide clients with responsive support around the clock, while automated integrations can connect with various business tools and applications. Utilizing CRM systems, Helpdesk solutions, and other software automation tools, you can create efficient workflows that benefit both support and sales teams, ultimately leading to greater operational success. By implementing these advanced features, organizations can not only improve their internal processes but also enhance customer satisfaction significantly.

The interactions among members of the care team involve a complex web of individuals, technology, hospital systems, and devices. Navigating an extensive flow of information, encountering communication barriers, or facing inefficient processes can complicate your role and adversely affect patient care. Such challenges can hinder your efficiency and ultimately lead to poorer health outcomes for patients. Spok Care Connect® offers a comprehensive solution to these issues. This integrated communication platform enhances collaboration among care teams, facilitates closed-loop communication, and ensures secure messaging, all aimed at optimizing clinical workflows. By utilizing a single communication platform, various challenges across multiple departments and locations within a healthcare system can be effectively addressed, leading to improved operational efficiency and better patient care.