Best On-Premises Call Center Software of 2025

Thirdlane is built for service providers and MSPs who need a multi-tenant, white-label UCaaS platform with deep API control. It delivers voice, video, chat, and contact center features while giving providers the ability to integrate billing, CRM, and IT workflows with ease. Why providers choose Thirdlane: - True multi-tenant PBX architecture built for scaling to thousands of tenants. - White-label flexibility - deliver a branded experience to your customers. - Thirdlane Connect apps unify messaging, calling, and meetings across all devices. - Built-in Contact Center for sales and support teams. - CRM screen pops and Click-to-Call to boost productivity. - Extensive APIs for automation and third-party integrations. Business outcomes: - Launch branded UCaaS without the heavy R&D cost. - Increase recurring revenue with scalable multi-tenant architecture. - Offer enterprise-grade features at a competitive price point. Thirdlane empowers providers to own their UCaaS offerings end-to-end, increasing margins and ensuring long-term customer loyalty.

PBXware is the first and most established IP PBX Professional Open Standards Turnkey Telephony Platform. PBXware has been providing flexible, reliable and scalable Next Generation Communication Systems (NGCS) and VoIP solutions to small and medium-sized businesses (SMBs), enterprises and Internet Telephony Service Providers, (ITSPs), call centers and governments around the world since 2004. This is done by combining the best of the latest technologies. Bicom Systems softswitch is available in the Business, Call Center, and Multi-Tenant Editions. Each edition supports specific features that maximize performance, reliability, expandability, and expandability.

Fuze stands out as the leading global platform for cloud communication and collaboration tailored for enterprises. It streamlines the intricacies associated with managing on-premises communication systems, ensuring exceptional voice quality and reliable service through unlimited calling to over 110 countries via more than 50 carriers, making it an excellent choice for businesses with a significant international presence. With a decade of experience supporting clients worldwide, we offer a strategic roadmap to maximize the benefits of your Fuze deployment. This comprehensive application operates flawlessly across various locations and devices, providing deep insights into usage, engagement, and organizational productivity. Upgrade your communication strategies with the premier cloud platform that integrates unified voice, high-definition video conferencing, real-time chat, content sharing, and contact center solutions all in one place, revolutionizing how teams collaborate and connect. Embrace the future of communication with Fuze and unlock the full potential of your enterprise.

ICTBroadcast is unified communications software for call centers, telemarketers, contact centers and ITSP's to offer hosted services to their customers with multi tenant and whitelabel support, ICTBroadcast is autodialer, predictive dialer, and power dialer software solution feature inbound IVR, IVR Studio, press 1 campaign, complete call center, AMD, HLR, DNC, survey, appointment, and WEBRTC also supporting Voice, SMS, Email and Fax broadcasting. Suitable for small business owners, entrepreneurs, and Service Providers. It enables service providers to offer a wide range of telemarketing and contact center-related services. It can be scaled to blast thousands of simultaneous calls and it fits most voice broadcasting and call center scenarios with effective and efficient communications management. ICT Innovations is open source based solution provider focused to provide creative business solutions to Internet Telephony Service Providers to find new ways to generate their revenue by offering innovative services

Establish a fully operational contact center from the ground up in just a few hours while integrating cloud functionalities with your existing on-premises hardware. Transition seamlessly from outdated systems to cloud solutions overnight with Ozonetel, where our product specialists will thoroughly assess your needs before suggesting a tailored solution that aligns perfectly with your business objectives. Efficiently unify and automate both digital and voice communication channels, utilizing top-rated dialers to enhance the management of inbound leads and streamline outbound campaigns. You can set up a comprehensive call management system in 24 hours or even less, offering extensive inbound, outbound, and blended call center options. At Ozonetel, we provide secure cloud communication solutions that enhance the customer experience while reducing overall costs for contact centers. Renowned for pioneering the first cloud-based customer experience platform in India, we continue to distinguish ourselves through unmatched customer support and relentless innovation in AI technology. Our commitment to excellence ensures that we remain at the forefront of the industry, constantly evolving to meet our clients' needs.

*astTECS IPPBX system is the ideal solution for any business, large or small. *astTECS PBX has all the top-end features at an affordable price and is TEC certified by DoT (Govt of India). *astTECS IPPBX solution allows your business to be flexible, innovative, competitive, and future-ready while reducing telecom expenses. *astTECS Call Center Dialer is an omnichannel contact centre solution that offers advanced features and a real-time dashboard for agent monitoring. Advanced analytics and AI-based call center dialer will improve agent productivity and customer engagement. *astTECS provides a complete call recording solution for your company. *astTECS voice recorder is easy to use and offers advanced features. Integration with any PBX is seamless. Supports ISDN/PRI, IP, analog lines and mobile to record all incoming and outgoing calls.

Telebu Hub, or Hub, is a complete outbound and inbound contact center software that can either be deployed on-premises or in the cloud. It is easy to set-up, easy to scale and easy to use.

KrispCall allows you to manage all your telephony needs, whether they are personal, business, or corporate, using one app (Web, Android and iOS). You can access international numbers from the comfort of your own home. KrispCall makes it easy to create international numbers for national, local, shortcode and toll-free numbers (for more than 100 countries) in no matter how fast you want. You can easily manage your call logs. KrispCall's unified phonebox allows you to manage and monitor all your business calls, voicemails, and recorded conversations from one place. Call your international clients through their local numbers to earn their trust. KrispCall offers international numbers for your business at an affordable price. Our embeddable widget makes it easy to reach your customers. Clients can now easily call you by clicking on the KrispCall widget embedded in their website.

Smartz Solutions is a disruptor that is reshaping contact center landscape. The traditional legacy systems have been holding businesses hostage too long with their complex infrastructures and high fees. Contact centers are tired from being burdened with disjointed, expensive systems that have a negative impact on customer and employee experience. Our AI-powered 360° experience platform is redefining contact centre experiences. We've been there. We paid for legacy systems. We had 15 systems running simultaneously (at snail's speed) to be able run our call center. We understand the frustration of not being able (sometimes even) to find data to help customers. We know how frustrating it is to have employee data scattered across multiple systems, never allowing a clear picture of the business. You don't have run your call center by losing money, opportunities, and patience. With a comprehensive tech stack you can finally have your entire customer base.

Barantum CRM is a leading All in One CRM Solutions in Indonesia. Our services can boost your customer engangement with with meet/fulfill all of your customer relationship management needs, ranging from Sales CRM, Canvassing CRM, Omnichannel Chat, Ticketing & Help Desk, to Call Center Solutions. Barantum is also a trusted WhatsApp API Solution in Indonesia with over hundreds of businesses already joined. With a total of 500+ businesses from various industries and 18,000 users are currently using Barantum, we believe that a good CRM system is one that can meet all needs from end to end. Accelerate your sales performance with Barantum starting from IDR 299k/user/month or get a FREE 7-DAY TRIAL. WHY CHOOSE BARANTUM? 1. One system for all your customer relationship management needs. 2. Comprehensive and flexible features for all types of industries. 3. User-friendly interface that is easy to understand and use. 4. Fast and responsive customer support available 24/7.

iCallify delivers innovative call center software that improves customer interactions through the use of AI-driven functionalities. Our comprehensive platform supports inbound, outbound, and blended call center operations, featuring sophisticated tools such as auto dialers, predictive dialers, power dialers, preview dialers, IVR systems, voice broadcasting, WhatsApp integration, click-to-call options, and real-time monitoring dashboards. Engineered for growth and effectiveness, iCallify enables organizations to refine their communication approaches and enhance productivity. By concentrating on exceptional customer experiences, we provide customized solutions that cater to the distinct requirements of various industries, guaranteeing smooth integration and strong performance. iCallify stands as your dependable ally in converting telephony into a significant business advantage, helping you stay ahead in a competitive landscape.

Communication between care team members is a complicated relationship between people, devices, hospital systems, and devices. You might have difficulty communicating with an overwhelming amount of data, communication gaps, or inefficient workflows. These issues can make your job more difficult and negatively impact patient outcomes. Spok Care Connect® is the solution. Spok Care Connect, the unified communication platform, allows care team collaboration, closed-loop communication, and secure messaging to improve your clinical workflows. One unified communication platform can solve multiple problems across different departments and locations within your health system.

We unleash human momentum with collaboration, connectivity, and communications technology. All business is human—and when custom technology empowers human ingenuity, people and companies thrive. High performing teams do more, achieve more, and win more. Companies become agile, efficient, and resilient. Our team takes pride in making technology easy and cost effective. We love what we do—and it shows in the way we partner with you, from our first conversation to ongoing post-install support. Working with over 30,000 customer locations in 65+ countries, we deliver straightforward, secure, and scalable global managed services and advanced collaboration and communications solutions. Together let’s build your human momentum.

Genesys Cloud EX stands out as a cutting-edge platform aimed at enhancing employee experiences within contact centers and organizations that prioritize customer interaction. By incorporating robust workforce engagement management (WEM) capabilities, it simplifies essential functions like scheduling, performance monitoring, and skill enhancement. Utilizing AI-powered insights, Genesys Cloud EX allows supervisors to pinpoint improvement opportunities while offering tailored coaching and growth experiences for employees. The platform fosters a culture of teamwork, openness, and support through its user-friendly dashboards and integrated communication features. Thanks to its cloud-based design, Genesys Cloud EX not only boosts organizational productivity and employee morale but also ensures the delivery of outstanding customer service, making it a crucial tool for modern businesses. Ultimately, the platform's focus on continuous development and engagement sets a new standard for employee and customer satisfaction.

Yeastar P-Series PBX Systems is more than a PBX. It is a converged system designed for SMEs with higher expectations in business communications. The P-Series is a "PBX-Plus-More” solution that unifies voice, video, applications and collaboration. This allows SMEs to achieve more productivity, fill the UC gap and complete more complex tasks.

Issabel stands out as an open-source unified communications platform that merges various IP communication services into one cohesive system, effectively overcoming the limitations of traditional PBX systems by offering features like call center functionalities, email integration, management reporting, fax capabilities, video conferencing, audio recording, and CRM integrations. Its call center module is not only robust and flexible but also user-friendly, enabling efficient automation and management of contact centers while adeptly handling both inbound and outbound call campaigns through a straightforward agent interface and call management tools. Additionally, Issabel simplifies the administration of PBX solutions for service providers, allowing them to manage multiple clients from a single instance, thus alleviating the need for individual servers for each client. To further expand its capabilities, Issabel accommodates various add-ons that are designed to integrate seamlessly with the platform, enhancing features that interact with telephony and improve customer service while automating support-related actions. This adaptability makes Issabel a highly effective choice for organizations looking to streamline their communication processes.

Aavaz stands out as a premier provider of comprehensive contact center solutions. They offer an extensive range of products and services tailored to meet your current communication needs while also providing options for future upgrades. The strength of Aavaz lies in its remarkable adaptability, accommodating everything from on-premise setups to fully remote operations, and scaling efficiently from a single agent to handling thousands of calls each hour. There is a suitable Aavaz solution for every business. Leverage Aavaz's intelligent, monitored outbound campaigns designed for various purposes such as Marketing, Sales, Surveys, Collections, and Polls, which equip you with essential metrics to drive effective outcomes. With Aavaz's versatile IVR systems and queue management features, customers can connect with you more easily than ever. You can monitor every incoming call and ensure thorough follow-ups with integrated ticketing systems so that no customer is overlooked. Our experienced team has encountered a wide range of scenarios and is ready to assist you on your path to success, ensuring that you achieve your goals efficiently. Their commitment to customer satisfaction sets Aavaz apart in the industry.

Equip call center agents and administrators with the essential tools required for delivering exceptional service consistently. Intrado Cloud Contact Center, previously known as West Cloud Contact, serves as a comprehensive contact center solution that enables your team to utilize advanced call management and analytics features effectively. This platform supports unlimited user scalability while providing enhanced agility and control that surpass outdated telephony systems. Being a cloud-based service eliminates the need for investing in, upgrading, and maintaining intricate on-site systems, as built-in disaster recovery comes at no additional cost or hardware prerequisites. With this service, you can adeptly manage fluctuating or peak call volumes, gaining a competitive edge while ensuring customer satisfaction. Additionally, Cloud Contact alleviates the burden on helpdesk and support personnel, allowing for seamless integration of distributed contact centers, including both traditional facilities and remote workers. All users benefit from full access to centralized management and reporting capabilities, streamlining operations and fostering efficiency. This comprehensive approach ultimately leads to improved customer interactions and operational success.

OMniLeads is an independent software solution tailored for Contact Centers, built on the principles of Free Software GPL V3, and specifically designed to enhance the management, functioning, and oversight of Contact Centers. Its comprehensive features enable all Call Center activities to be executed via web-based interfaces, ensuring that both agents and supervisors have access to their necessary tools within a unified application, thanks to the integration of WebRTC standards. The system is capable of identifying answering machines and can respond based on predetermined protocols that may include leaving a recorded message, attempting to reconnect later, or bypassing the contact altogether, all aimed at optimizing operational time and efficacy. OML accommodates various roles, including administrator, supervisor, client, and agent, with distinct levels of access and information tailored to meet the specific requirements of each role. Additionally, users can be customized according to the unique needs of individual projects, offering flexibility in management. OML can be implemented in an All In One (AIO) setup or configured to distribute the workload among separate servers dedicated to applications, databases, and communications, thereby enhancing scalability and performance. The versatility and efficiency of OML make it a valuable asset for any Contact Center looking to improve its operations.

My Country Mobile offers low-cost, easy-to use VoIP solutions that are excellent. Enjoy the following features with a 30-day, risk-free trial of our premium VoIP phone system. Our mission is to enable families and friends to stay connected across borders by leveraging technology and intelligence. We aim to empower personal and professional connections with ease and efficiency. Our team has a wealth knowledge and expertise that allows us to deliver high quality results and exceed clients' expectations. We look forward to expanding our portfolio and growing. My Country Mobile, with its tens of year's experience in developing technologies and solutions that facilitate communication and sharing for businesses and individuals worldwide, has been a leader in the development of these technologies and services.

Cloud-based call center software is designed to resolve the challenges faced by traditional on-premise systems. Our solution enables businesses to operate their call centers from anywhere while safeguarding their data against potential security breaches. Sip2Dial’s innovative cloud call center software equips agents with essential tools and relevant information. Featuring a user-friendly interface, our platform seamlessly integrates customer interactions from multiple channels and allocates them to the appropriate agents. A standout feature of our software is its ability to minimize hold times by offering customers the option to receive a callback when their turn arrives, enhancing their experience. This approach not only increases visibility and transparency but also simplifies operations significantly. At Sip2Dial, we prioritize understanding the unique needs of our clients, dedicating time to customize deployments that cater specifically to various contact center requirements. By conducting thorough data collection and analytics, we aim to enhance operational efficiency, optimize resource utilization, and foster improved business results. Ultimately, our commitment is to empower businesses with the tools they need for effective communication and customer satisfaction.

Cloud-based call center solutions, commonly referred to as Software as a Service (SaaS), represent a significant improvement over traditional on-premises systems. The Castel Call Center as a Service operates on a subscription model that utilizes cutting-edge technology to ensure that agents can engage with customers swiftly and effectively. By adopting our cloud-based solution, your organization benefits from a modern call center that offers both scalability and reliability, all while eliminating the need for costly installation, management, and maintenance of physical hardware or software typically required by on-site platforms. Moreover, Castel streamlines all your inbound and outbound workflow processes along with its applications into an integrated portal that is accessible via a single link, enhancing overall operational efficiency. This innovative approach not only simplifies communication but also empowers your team to prioritize customer satisfaction.

For over two decades, Diabolocom has been transforming customer engagement with our cloud-native Contact Center as a Service (CCaaS) solution. Powered by proprietary generative AI, Diabolocom delivers advanced automation, improved reachability, and actionable insights tailored to today’s customer service and sales demands. Our AI Assistant enhances each interaction through real-time transcription, satisfaction analysis, and predictive next-best-action guidance. What makes Diabolocom unique is our combination of native AI for CX and full telecom functionality, creating a hyper-customized telephony experience. By automating repetitive processes, teams can redirect their focus to driving customer loyalty and revenue growth. Our solution integrates natively or via API with CRMs such as Salesforce, Oracle, and Microsoft Dynamics, ensuring complete visibility across every touchpoint. Leading brands like Mitsubishi Electric, Nikon, and Brinks rely on Diabolocom to deliver differentiated, AI-optimized customer experiences. With 97% faster post-call handling and a 12% reduction in churn, our platform drives efficiency and keeps teams agile.

Virtual IP PBX (Private Branch Exchange), or Phone System Appliance – CompletePBX is the heart and soul of Xorcom's hardware and software telephone systems. It's built on top of Asterisk and Linux platforms and is designed for stability and high performance. CompletePBX was built from the ground up to offer ease-of-use, advanced features, and security at all levels. Get a fully functional, free CompletePBX 5 virtual machine evaluation now! CompletePBX certification training is available online for free. It will guide you through the basics of the system. You can save a lot of time and effort if you do it yourself. We can help you get there quicker.

Ecosmob provides market-leading expertise and solutions for businesses around the world that implement trending technologies. Modernize your network with cost-effective and advanced solutions. Ecosmob offers innovative VoIP services that are tailored to your business' needs. Ecosmob has extensive expertise in Open Source Telephony development. You can create interactive, scalable and robust web applications with the most advanced tech stacks. A responsive website will take your business to the next level and make your brand stand out from the rest. Mobile application development services can help you expand your digital reach and reach a wider audience. We create mobile applications that are highly scalable and robust to meet your business needs. AI and ML technologies can open up new business opportunities and possibilities.