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Top Rated VoIP Software with Free - Page 3

Last updated: May 2026

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55 software options

VoIP & Network Quality Manager logo

VoIP monitoring software

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SolarWinds VoIP and Network Quality Manager (VNQM) is a VoIP and WAN monitoring software which allows users to identify and troubleshoot call quality issues in real time. The system lets users review quality of service data, including latency, jitter, packet loss, and mean opinion score (MOS).

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ReFrame Engage logo

Conversational intelligence and customer engagement software

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ReFrame empowers the future of business by enabling context-aware solutions to connect with customers anywhere, anytime, and providing the best customer experience (CX) within a single powerful platform.

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Numeración telefónica logo

Telephony and interactive voice response (IVR) solution

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Numeración telefónica is a telephony solution designed to help businesses streamline interactive voice response (IVR), call routing, and voiceover management operations. It enables teams to automatically distribute incoming calls based on various attributes including calendars, black or white lists, origin, agent status, or load balance.

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Nvoip  logo

Connecting businesses and customers.

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Nvoip is a communication platform that helps businesses communicate better with their customers.

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ASTPP logo

Open source VoIP billing and softswitch platform

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ASTPP empowers global VoIP businesses with its leading open-source VoIP billing and Softswitch solutions, built on FreeSWITCH to automate invoicing and billing seamlessly.

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