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Top Rated VoIP Software with Open source - Page 12

Last updated: October 2026

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509 software options

8x8 Work logo

Integrated contact center, voice, chat, video, and APIs

8x8 Work: Your all-in-one collaboration hub - phone, video, messaging. Secure unified communication for every employee, anywhere, any device.

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Vonage Business Communications logo

Cloud-based business VoIP phone service

Vonage Business provides a cloud-hosted business VoIP phone system, with customizable feature sets for the differing needs of small and medium businesses

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Microsip logo

ERP solution

Microsip is an ERP system made for companies to maximize their potential. It helps businesses take control, make the best decisions, and achieve their goals. The ERP system includes modules for payroll, accounting, inventory, and more.

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Voys logo

Professional cloud-based telephony with VoIP technology

Voys offers professional cloud-based telephony with VoIP telecommunications. The solution is scalable and integrates with various business tools, allowing companies to stay connected and provide excellent customer service. Voys provides flexibility, a reliable network, and customer support for businesses of all sizes.

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Fastcall logo

Salesforce CTI: Native Phone Dialer + SMS

FOR SALESFORCE TEAMS: Fastcall CTI is a native app built for and dedicated to Salesforce. Powered by Twilio, Fastcall increases productivity & improves customer service with advanced features such as Call Routing, IVR, Call Recording, Omni-Channel, SMS & MMS. High-Velocity Sales and Call Insights.

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SendMyCall logo

The better, faster answer

SendMyCall is a business phone system for SMBs, which provides features such as advanced call forwarding, automated greetings, voicemail, conference calls, fax, and touchtone menus.

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