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One Time License VoIP Software (2026)

Last updated: April 2026

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10 software options

Zadarma logo

Business phone system for companies of all sizes

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Zadarma offers a new generation of business phone system with virtual numbers from 110 countries, free Cloud PBX, free CRM and widgets.

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Tragofone logo

Cloud Based White Label VoIP Softphone App

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Tragofone is a WebRTC powered white label softphone for businesses that brings secure VoIP and SIP calling, messaging, and video to Android, iOS, Windows, Linux, and Mac devices. Deploy fast with auto-provisioning and multi-tenancy, brand the app end-to-end, and manage users from one dashboard.

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Africa's Talking Voice logo

VoIP tool for communicating and interacting with clients

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Africa's Talking Voice helps businesses communicate, engage, and interact with clients using API and resources. Build a better solution and customize it to meet your needs and give your business a wider voice.

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Kiamo logo

Centralized & Aumented Customer Relationship

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Kiamo is a Cloud omnichannel solution for Contact centers

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TextFree logo

Free texting and SMS marketing application

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Text Free is the original free texting app with a long legacy of making communication free and accessible to all.

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VSLogger logo

Call recording solution for businesses of all sizes

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VSLogger by Versadial is a cloud-based call recording solution which helps companies record calls to improve employee coaching, compliance & liability protection. The platform can be integrated with business telephone systems and computers, and all call recordings can be accessed via a web browser.

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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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Bandwidth logo

Coding APIs for adding telephony, SMS & 911 calling to apps

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Bandwidth offers a suite of API products for businesses and developers wanting to add voice calling, secured 2FA text messaging (SMS), MMS or 9-1-1 emergency call connectivity to software and applications, while also accessing SIP trunking, routing, address verification and number porting services

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CM.com Communications Platform logo

One platform to reach your audience via all mobile channels

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Make, receive and automate your business calls. Reduce costs and improve efficiency with our VoIP solutions. Get insights into detailed information about each call. Easily extend your customer communications with text messaging through all mobile channels via the single platform.

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Zoiper logo

Cross-platform VoIP softphone dialer for SIP and IAX systems

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Zoiper is a cross-platform VoIP softphone dialer that allows voice and video calls, plus instant messaging, to be conducted through multiple Private Branch Exchnage (PBX) networks or favoured Session Initiation Protocol (SIP) providers, with smartphone apps also available for iOS and Android devices

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