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Top Rated Business Phone Systems Software with Open source - Page 2

Last updated: June 2026

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150 software options

Kixie PowerCall logo

More Connections, Better Conversations. AI-enhanced RevComms

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Kixie is a cutting-edge revenue communications platform designed to supercharge your team’s calling and texting capabilities. Kixie leverages AI and automation to streamline outreach, maximize efficiency, and drive real revenue growth — all while keeping the human element in every conversation.

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CommPeak VoIP Service logo

SIP trunking for high-performing global contact centers

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CommPeak delivers premium A-Z Voice Termination with secure, high-quality calling, flexible routing, proactive monitoring, and cost controls. Tier 1 providers ensure direct connections, while on-demand capacity makes SIP Trunking ideal for scaling high-performance operations.

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ZIWO logo

API Based cloud contact center software with CRM Integration

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ZIWO is a cloud call center software for sales, marketing, customer support for real or virtual agents. Features include CRM integration, outbound dialer, virtual phone , call tracking, call masking , Agent and Admin Mobile App along with live monitoring of Inbound & Outbound KPI such as IVR, FCR.

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Spoke Phone logo

Great customer conversations anywhere, on any device.

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Spoke Phone is the leading platform for high-value, complex, and regulated conversations. Spoke guides employees to say and collect the right things so deals move forward and customers get better experiences. Compliant calls, SMS, and WhatsApp conversations on mobile phones and desktops devices.

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Channels logo

Power up your customer service

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Business Phone System designed to power up your customer service. Channels integrates with your favorite platforms such as Shopify and Pipedrive and collects data stored in them. Then, when your customers are calling, Channels shows you all details so you can get to the point of the conversation.

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MAXvoice logo

Communication tool that connects teams via voice calling

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MAXvoice is a cloud-based communication platform that lets businesses use voice calling and group chat to connect with customers, partners, vendors, support resources, and co-workers across multiple locations.

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Kavkom logo

Predictive dialer and telephony software for telemarketers

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Kavkom réinvente la communication interne et externe de votre entreprise grâce à sa plateforme multi-fonctions interconnectant téléphonie d'entreprise, numéros de téléphone dans plus de 50 pays, visioconférence, CRM, campagnes d'appels, diffusions de messages vocaux, envois de SMS..

Notre produit m

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VirtualPBX logo

Trusted VoIP for any office, anywhere.

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Get Unlimited Minutes, Text Messaging, and a VoIP Device for $18/mo***** Save up to 80% off business VoIP today!

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VoIPstudio logo

VoIPstudio: the no-hassle VoIP phone service for business

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High-quality VoIP phone service for small and medium-sized businesses. + 40 advanced features: Conferencing, Call Forwarding, Call Recording, IVR, Integrations, etc. Get a number instantly, anywhere in the world, or port your own. Perfect for working from home or team collaboration. 24/7 support.

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Nextiva logo

AI-enabled solution to streamline business communication

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AI-enabled solution that helps connect businesses to all of their conversations on one, AI-powered platform, helping them understand their customers in real-time to create personalized experiences that set them apart.

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Rinkel logo

Cloud-based telephone solution

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Rinkel is a telephone software for freelancers and small & medium sized companies that can be customized according to company needs. Users can forward their landline to as many mobiles or landlines as they need, put calls on hold, set business hours, set up an IVR menu, record calls and much more.

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TalkChief logo

TalkChief: Your Modern Business Phone

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TalkChief Business Phone System offers a comprehensive operational platform, allowing you to establish teams, add members, and configure inbound and outbound flows based on skill or time.

Allocate Dynamic, Fixed, or Random DID numbers to connect with potential prospects based on their location.

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NUACOM logo

All-in-one Cloud Phone System for SMBs

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NUACOM offers an all-in-one Cloud phone system for SMBs that need a modern, fully scalable business communication solution. The platform offers over 50 business-class features to help boost productivity, connect departments, and centralize telephony for all locations.

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55PBX logo

Virtual PBX solution to boost your team's productivity

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55PBX is a Brazilian based Business Communications Platforms with Voip, Whatsapp, SMS and integrations with Support, Sales, Ecommerce that facilitates your team's communication with their customers.

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Voiso logo

AI-first contact center software to drive your growth

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Voiso is a cutting-edge cloud contact center software that helps small and medium business scale their contact center operations to support rapid business growth.

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LeadDesk logo

Clear and Efficient Sales and Customer Service Software

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LeadDesk is a cloud-based contact center software for outbound sales, inbound sales, and customer service. Features include an intelligent dialer, agent performance reporting, automated lead management, live dashboards, a customizable interface, and rule-based call distribution.

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Jet Interactive logo

Call tracking system

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Jet Interactive is a call tracking system which helps call centers & marketers track the source & result of their calls, & then feeds this information back into their CRM &/or analytics system. Jet Interactive ensures sales teams have access to real-time data to see which ad has triggered the call.

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Diabolocom logo

Cloud software for call centers & customer service.

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Diabolocom is a European leader in cloud-based software services for call centers and customer service.
With fast deployment, compelling ease of use, secure cloud hosted in Europe, premium call quality and native CRM integration, easily increase customer loyalty and boost sales.

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Clear Ring logo

Clarity with every call.

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Optimise your marketing strategy with Clear Ring's advanced call, form, and live chat tracking tools. Our platform offers real-time reporting and multi-channel attribution in a user-friendly interface. Discover the Clear Ring difference and enhance your marketing with our data-driven insights.

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Broadcaster Mobile logo

Connect the world with your company.

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Broadcaster Mobile is a cloud-based customer communication management solution that helps streamline communication with customers via mass and personalized SMS, RCS, email, and voice messages. The platform also has the option to send mass messages through different communication channels, allowing businesses to reach a large number of customers quickly and efficiently.

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HiperMe! logo

Unified communications and contact center platform

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HiperMe! is a cloud-based contact center and unified communications platform that enables companies to manage corporate communications and customer service interactions from one place. With HiperMe!'s omnichannel solution, businesses can receive and place calls, emails, chats, WhatsApp message

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VXT logo

Calling and SMS for professionals

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VXT is a cloud-based VoIP phone system that integrates with the tools you use to run your business. By syncing your calls and SMS with your CRM, VXT helps you to save time, mitigate risk and generate revenue for your business.

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Zoom Phone logo

Cloud-based business phone system

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Zoom Phone is a cloud VoIP phone software designed for businesses of all sizes. With a streamlined administration interface and secure voice calls, Zoom Phone offers a flexible solution for remote workforces. It also features global coverage, virtual phone numbers, fixed VoIP, cloud PBX, multi-line phone systems, and a Zoom Phone API, among other functionalities.

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SkySwitch logo

Cloud-based PBX system

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SkySwitch is a cloud-based PBX system that helps IT businesses streamline customer communication processes using voice or video calls, messaging, and other methodologies from a centralized platform. It lets staff members utilize the QoS (Quality of Service) monitor to manage as well as run diagnostic tools to troubleshoot network issues.

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PhoneIQ logo

Cloud Phone System and Call Center Software via Salesforce

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PhoneIQ is a communications platform for Salesforce users. It features a phone system that works with CRMs from any device across the globe, a contact center that enables customer dialogue and CSAT monitoring, and a sales dialer with features like power dialing, click to dial, and local presence.

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