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Top Rated Telephony Software with Open source - Page 8

Last updated: October 2026

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332 software options

CallHippo logo

Cloud-based phone system for sales, support & growing teams

CallHippo is a Virtual Phone System that is easy-to-use while offering robust functionality with advanced features, extensive reporting, and seamless integrations to empower sales and service teams to have effective conversations with customers. 24x7 World Class Support. Instant Setup

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eXsight logo

Technology expense management & call accounting solutions

eXsight Call Accounting is a fully integrated technology expense management and unified communications management solution with optional outsourced managed services

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OnRelay logo

Business phone system for call management

OnRelay is a business phone system that enables businesses across diverse industries to queue calls, view communications in a shared view and manage users. Key features include custom voice menus, automated attendant, video conferencing and call routing.

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Talkroute logo

Virtual phone system for communicating with customers

Talkroute is a virtual phone system designed to help businesses manage voicemail, route calls and communicate with customers via various channels. It offers an audio library, which includes several prompts for agents to create custom greetings for clients.

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Knowlarity logo

Communicate. Collaborate. Accelerate.

Knowlarity is a leading cloud communication company that offers intuitive solutions such as virtual numbers, cloud contact centers, IVR systems, AI-powered speech analytics, chatbots/voicebots, TrueCaller verified business calling, WhatsApp Business API, and more.

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UCx logo

All-in-one calling, IM and video meetings

UCx with Webex transforms the way employees work with a single, simple to use communication and collaboration app for calling, messaging and meeting with anyone, anywhere on any device. It includes secure HD video, messaging, file sharing, whiteboarding built-in call control functionality and more.

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Dixa logo

Conversational Customer Service Software

Get a quality VoIP solution that runs in your browser and can be set up in minutes. Enjoy local rates in >60 countries starting at $99 per user/per month with a pay-as-you rate of $0.02.

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DialerHQ logo

Private Phone Number

DialerHQ is the phone number app to help you do it. You can use this second number to call and text anytime, anywhere you want via the internet.

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XTIUM UCaaS logo

Cloud based IP phone with unified communication features

Evolve IP's cloud IP phone systems free your business from managing carriers, hardware and vendors by providing an enterprise quality hosted PBX.

Read more about XTIUM UCaaS

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BroadVoice Cloud PBX logo

Broadvoice b-Hive Cloud Communications for SMBs

Broadvoice is a leading all-in-one cloud-based business communications platform. Unify your business phone, video conferencing, and texting under a single phone number.

Get fast implementation, quality, and reliable service, at an affordable cost.

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Zangi logo

Messenger Platform

Zangi is a messenger focused on privacy & security, which provides communication without leaving a trace.

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FIVE logo

More Leads. More Sales. More Customers.

FIVE CRM provides businesses with tailored software solutions targeted at transforming sales & marketing and boosting the bottom line. FIVE CRM puts you in control through an array of products, whether you’re looking to take advantage of email marketing or drive sales through calling – we’ve got it covered.

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Exotel logo

Full-stack customer engagement platform-CPaaS, CCaaS,Chat AI

Exotel is the emerging market's full-stack customer engagement platform that offers a communication API framework to build your conversational portfolio, an omnichannel contact center and a conversational AI toolkit to improve speed, quality and outcomes of customer conversations.

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Flowroute logo

Calling, SMS, MMS, and fax communication management system

Flowroute is designed to help businesses create, deploy, and manage a unified system for voice, SMS, MMS, and fax-based communication. The platform comes with a SIP trunking module, which allows enterprises to handle multiple voice calls using local and toll-free numbers.

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Zendesk Suite logo

AI powered customer service across all channels

Zendesk offers an AI-powered service platform that unifies conversations from multiple channels. It features AI agents for resolving inquiries, ticketing for support requests, and analytics for tracking service quality. Its Resolution Learning Loop technology enhances automation by integrating AI, human agents, and knowledge resources on one platform.

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YOVU logo

Business VoIP Phone Software

YOVU Office phone is a Canadian founded business VoIP solution with CRM and Mobility integrations.

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CallFire logo

Telephony and call center app

CallFire combines text messaging, call tracking, voice broadcast, and IVR, with a cloud call center.

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Calilio logo

Cloud-based business phone system

AI-powered cloud phone system for calls, SMS, AI voice, and call management across web, iOS, and Android.

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YouMail logo

Read more about YouMail

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Cloudya logo

Integrated business communications platform.

Cloudya delivers smart communication solutions for businesses with a cloud-powered suite. It integrates voice and video calls, customer contact management, CRM tools, seamless collaboration, and enablement features - all in one platform to boost productivity and streamline operations.

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Intalk.io logo

Break All Communication Barriers with intalk.io

Modern Cloud Contact Center with multichannel capabilities with Inbound, Outbound, IVR, and Chat modes

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Tresta logo

Business communication, simplified.

Tresta is a virtual phone system with unlimited calling and texting and powerful call management features.

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3CLogic logo

Cloud Call Center Solutions

3CLogic is a leading cloud contact center platform providing advanced and scalable speech-enabled (IVR, ACD, CTI, Click to Call, Screen Pop, Speech Analytics, Reporting) offerings for leading CRMs, including ServiceNow, SAP, and Salesforce for global enterprises and customer service teams.

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SendHub logo

Business Communication Simplified

Every SendHub account comes with a new business line in the area code of your choice. We also give you the option to port in an existing line.

Read more about SendHub

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Ring4 logo

Second phone number app for texting and calling

Ring4 provides companies and individuals with a lightweight cloud telephony solution to manage phone lines as simply as they manage emails. The Ring4 smart numbers work on any iOS or Android device and can be managed via the Admin Console.
Ring4 starts at $9.99/month/line.

Read more about Ring4

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