List of the Top 25 Call Center Software for Linux in 2026

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.

The Yeastar P-Series Phone System includes an integrated call center feature, providing companies with an all-in-one solution for handling calls, video conferencing, messaging, integrations, and additional functionalities. It caters to the needs of businesses, regardless of their scale.

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.

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.

Adversus is a powerful outbound call center solution hosted in the cloud, specifically designed to enhance the efficiency of high-performing sales teams. With its integrated platform, users can oversee campaigns, streamline workflows, and monitor representative activities in real time. Featuring live dashboards, compliance tracking, CRM integration, and organized dialing procedures, Adversus empowers sales managers with comprehensive visibility and operational oversight. It's trusted by teams in the insurance, energy, telecommunications, and fintech sectors across over 150 nations. The software is ISO certified, SOC 2 compliant, and ready for GDPR, boasting an impressive uptime of over 99.97%. Developed by professionals experienced in outbound sales, it caters specifically to the needs of outbound teams.

At VirtualPBX, we provide a wide range of communication solutions specifically designed to meet the needs of businesses like yours. Our adaptable business phone plans are not only flexible but also scalable, allowing you to personalize features such as call routing, voicemail, and conferencing to suit your organization's specific requirements. With our contact center solutions, we enable you to significantly improve your customer service and support capabilities through tools like interactive voice response (IVR), call queuing, and real-time monitoring for better decision-making. Furthermore, our business texting service facilitates easy communication with customers and colleagues through SMS, ensuring no message goes unnoticed. If you're contemplating a shift from outdated analog phone systems, our Airdial Pots replacement solutions provide a smooth transition to contemporary, cloud-based options. Overall, VirtualPBX is committed to equipping businesses with essential tools that simplify communication, elevate customer service standards, and boost overall efficiency. We invite you to experience our offerings firsthand by requesting a free demo today, so you can see how we can transform your communication strategies.

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.

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.

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.

LogMeIn Rescue is a powerful and secure enterprise remote support platform designed to empower IT teams and service providers to deliver exceptional technical assistance at scale. Supporting more than one billion remote sessions worldwide, Rescue provides technicians with fast, reliable, one-click access to user devices across Windows, macOS, Linux, Chrome OS, iOS, and Android platforms, regardless of location or network. The software offers robust security features including permission-based access controls, PIN code validation, IP restrictions, single sign-on (SSO), Active Directory synchronization, and 256-bit AES encryption to safeguard sensitive information throughout support sessions. Rescue’s centralized command center simplifies IT administration by enabling custom security configurations, unlimited user group creation, session recordings, and real-time team performance monitoring. Enterprises benefit from extensive brand customization options that allow personalized user interfaces, chat tools, and multiple connection methods to enhance the customer experience. The platform integrates with various enterprise applications and provides advanced in-session tools to quickly diagnose and resolve issues, including support for inactive devices. A Forrester study confirms Rescue’s strong return on investment, with payback periods under six months due to faster ticket resolutions and improved operational efficiency. User testimonials highlight Rescue’s reliability, flexibility, and security, especially for complex IT environments and multi-platform support. Rescue is ideal for organizations facing increasing security threats, limited IT resources, and the need to scale support efficiently. Overall, LogMeIn Rescue combines enterprise-grade security, scalability, and customization to meet the evolving needs of modern IT support teams.

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!

KrispCall enables users to handle all their telecommunication requirements—be it personal, business, or corporate—through a single application available on Web, Android, and iOS platforms. From the convenience of your home, you can obtain international phone numbers. The platform simplifies the process of generating international numbers, including national, local, shortcode, and toll-free options, across more than 100 countries, regardless of how quickly you need them. You have the ability to efficiently oversee your call logs as well. With KrispCall's integrated phonebox, all your business calls, voicemails, and recorded conversations can be managed and monitored conveniently in one location. You can connect with your international clients using local numbers, which helps in building their trust. KrispCall provides affordable international numbers tailored for your business needs. Furthermore, our customizable widget allows for straightforward customer outreach, as clients can reach you effortlessly by clicking on the KrispCall widget embedded on their website, enhancing your overall accessibility. This seamless integration not only improves communication but also boosts your professional image.

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.

Thirdlane is a comprehensive multi-tenant communication platform that combines VoIP calling, unified messaging, video conferencing into powerful solution. Designed for both enterprises, MSPs, telecom providers and resellers, it offers unmatched flexibility, cost-effectiveness, and scalability. Highlights: - PBX with advanced call routing, voicemail, and conferencing. - IVR, call queues, recording, and analytics. - CRM integrations with Click-to-Call and caller ID screen pops. - Thirdlane Connect desktop, web, and mobile apps for collaboration. - Flexible choice: cloud-hosted or on-premises. - White-label Who it’s for: - MSPs and UCaaS providers launching branded communications. - Enterprises seeking a customizable phone system with CRM integration. - Telecom providers and resellers looking for modern PBX offerings. Thirdlane delivers a complete, future-proof phone system for organizations that want to unify communications and scale without compromise.

One Platform for All Business Calls Simplify and enhance your business communications with Zadarma. From internal calls to global customer service, everything runs in the cloud — secure, reliable, and fully customizable to your workflow. Highlights include: - Visual PBX constructor for intuitive setup - AI call agents and speech recognition tools - Automatic call distribution (ACD) and IVR setup - eSIM for global mobile connectivity - Full API access to automate and integrate with your systems - 24/7 support and detailed documentation Perfect for companies managing international communication, remote support, or multi-channel sales teams.

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.

iCallify is an intelligent, multi-tenant contact center software built to streamline business communications and enhance customer engagement through AI-powered automation. The platform supports inbound, outbound, and blended call center operations with advanced features including predictive dialer, power dialer, preview dialer, auto dialer, IVR, voice broadcasting, WhatsApp integration, WhatsApp Business Calling, click-to-call functionality, real-time monitoring dashboards, and advanced call distribution strategies. Designed for scalability and flexibility, iCallify helps organizations improve operational efficiency, increase conversion rates, and deliver personalized customer experiences. The system supports multi-channel communication, advanced reporting, supervisor controls (monitor, whisper, barge), and integration capabilities for CRM and third-party systems. With both cloud and on-premise deployment options, iCallify enables businesses across industries to transform their contact center operations into high-performance engagement hubs. AI-Powered Omnichannel Contact Center Optimized for Low Bandwidth Environments Low Server Configuration Requirements Advanced Dialer Suite with Multi-Mode Campaign Control Multi-Tenant Architecture for BPO & Enterprise Use WhatsApp Business Calling Integration Dedicated WhatsApp Call Center Software with Reporting Built-in Billing System Real-Time Supervisor Control Tools Scalable Deployment (Cloud & On-Premise)

My Country Mobile provides affordable and user-friendly VoIP solutions that are truly exceptional. Experience a range of features with our 30-day, no-risk trial of the premium VoIP phone system. Our goal is to help families and friends maintain connections across distances by utilizing advanced technology and intelligence. We strive to enhance both personal and professional relationships with simplicity and effectiveness. With extensive knowledge and expertise, our team is dedicated to delivering top-notch results that surpass our clients' expectations. We are excited about the prospect of expanding our services and achieving further growth. With decades of experience in crafting technologies and solutions that enhance communication and sharing for businesses and individuals globally, My Country Mobile has established itself as a frontrunner in the innovation of such technologies and services. As we continue to evolve, we remain committed to fostering connectivity in an increasingly digital world.

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.