Asterisk
An open source telephony switching and private branch exchange service for Linux.
- Open Source
Asterisk Alternatives
The best Asterisk alternatives based on verified products, community votes, reviews and other factors.
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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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FreePBX is a web-based open source GUI that controls and manages Asterisk (PBX).
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Stop chasing your clients for documents! Easily request files, documents, forms & signatures from your clients – set a due date and save hours as your requests are returned to you effortlessly.
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FusionPBX is an open source FreeSWITCH GUI.
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Kamailio® (successor of former OpenSER and SER) is an open source SIP server released under...
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RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies
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3CXPhone is a free VoIP phone available for Windows, iPhone or any Android based smart phone such...
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The UCaaS Platform Built for MSPs
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VitalPBX is a full-feature PBX (phone system) based on Linux and Asterisk.
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Switch is a cloud-based phone system built for Google Apps users.
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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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Your Open Source Solution For Unified Comunnications And More…
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Social & Communications and Development
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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.