Software Alternatives, Accelerators & Startups

Asterisk

An open source telephony switching and private branch exchange service for Linux.

Some of the top features or benefits of Asterisk are: Open Source, Highly Customizable, Large Community, Wide Range of Features, Compatibility, and Scalability. You can visit the info page to learn more.

Asterisk

Asterisk Alternatives & Competitors

The best Asterisk alternatives based on verified products, community votes, reviews and other factors.
Filter: 12 Open-Source Alternatives. EU Alternatives. Latest update:

  1. 42

    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.

    Key FreeSWITCH features:

    Flexibility Scalability Open Source Cross-Platform

    /freeswitch-alternatives
  2. 33

    FusionPBX is an open source FreeSWITCH GUI.

    Key FusionPBX features:

    Feature-Rich Open-Source Cost-Effective Scalability

    Open Source

    /fusionpbx-alternatives
  3. VoIPstudio is an award-winning VoIP system that offers businesses of all sizes a scalable communication solution. It’s affordable, easy-to-use, offers a full suite of PBX features, and is fully integrated for CRM.

    Key VoIPstudio features:

    Call Recording Call Forward Call Analytics and Reporting Call Conferencing

    Try for free paid Free Trial $4.99 / Monthly (User)

    Try for free
  4. 38

    Kamailio® (successor of former OpenSER and SER) is an open source SIP server released under...

    Key Kamailio features:

    Scalability Flexibility Open Source Active Community

    /kamailio-alternatives
  5. 25

    The UCaaS Platform Built for MSPs​.

    Key Wazo.io features:

    Open Source Unified Communication Scalability Integration Capabilities

    /wazo-io-alternatives
  6. 33

    Social & Communications and Development.

    Key miniSIPServer features:

    Ease of Use Feature-Rich Flexible and Scalable Cross-Platform Support

    /minisipserver-alternatives
  7. 36

    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.

    Key XiVO features:

    Open Source Advanced Telephony Features Scalability Integration Capabilities

    /xivo-alternatives
  8. 49

    FreePBX is a web-based open source GUI that controls and manages Asterisk (PBX).

    Key freepbx features:

    Open Source Comprehensive Features Community Support Scalability

    Open Source

    /freepbx-alternatives
  9. 32

    VoipSwitch provides complete VoIP and unified communications solutions.

    Key VoipSwitch features:

    Comprehensive Solution Scalability Customizability Integration Capabilities

    /voipswitch-alternatives
  10. 32

    Hosted PBX with CRM integration and mobile apps.

    Key 3CX features:

    Cost-Effective Flexibility Ease of Use Unified Communication

    /3cx-alternatives
  11. 33

    A SIP based implementation of a PBX / unified communications system.

    Key sipXecs features:

    Open Source Scalability Interoperability Rich Feature Set

    /sipxecs-alternatives
  12. 32

    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. .

    Key Thirdlane Multi Tenant PBX features:

    Reliability Free Applications Ease of Deployment and Maintenance Integrations

    paid Free Trial

    /thirdlane-multi-tenant-pbx-alternatives
  13. 20

    RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies.

    Key RingCentral features:

    Comprehensive Features Scalability Easy Integration Reliable Uptime

    Open Source freemium $19.99 / Monthly (All-in-One Phone, Team Messaging, and Video Conferencing.)

    /ringcentral-alternatives
  14. 31

    sipXcom open source unified communications software is the standard for enterprise voice solutions. Voice, chat, IVR, presence and more in one application.

    Key sipXcom features:

    Open Source Feature-Rich Scalability Web-Based Management

    Open Source

    /sipxcom-alternatives
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