Natterbox Alternatives
The best Natterbox alternatives based on verified products, community votes, reviews and other factors.
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/asterisk-alternatives
An open source telephony switching and private branch exchange service for Linux.
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/wazo-io-alternatives
The UCaaS Platform Built for MSPs
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Try for free
AirDroid Business, an enterprise-grade MDM solution, is designed to enable businesses mobility and productivity through remote access and control, device provisioning, policy application and management, kiosk mode, and geofencing.
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/freeswitch-alternatives
FreeSWITCH is an open-source media application designed to support popular protools such as SIP and WebRTC and provides a platform to develop voice and video applications.
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/minisipserver-alternatives
Social & Communications and Development
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/fusionpbx-alternatives
FusionPBX is an open source FreeSWITCH GUI.
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/kamailio-alternatives
Kamailio® (successor of former OpenSER and SER) is an open source SIP server released under...
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/xivo-alternatives
XiVO, première solution de téléphonie d'entreprise ToIP Open Source. TPE/PME Grande Entreprise / Centre de contact / Secteur Public. Contact: 04 37 49 78 10
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/voipswitch-alternatives
VoipSwitch provides complete VoIP and unified communications solutions.
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/sipxecs-alternatives
A SIP based implementation of a PBX / unified communications system.
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/sipxcom-alternatives
sipXcom open source unified communications software is the standard for enterprise voice solutions. Voice, chat, IVR, presence and more in one application.
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/thirdlane-multi-tenant-pbx-alternatives
Thirdlane Multi Tenant PBX provides a comprehensive and secure communication solution for businesses, MSPs and resellers. It offers a versatile platform with robust features and unparalleled value, all backed by Thirdlane's renowned reputation.
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/ozeki-phone-systems-alternatives
Ozeki Phone System XE is a Software PBX telephony platform for Windows.
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/the-incredible-pbx-alternatives
Incredible PBX is a secure and feature-rich implementation of the Asterisk® PBX.