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Elastix vs opensips

Professional comparison and analysis to help you choose the right software solution for your needs.

Elastix icon
Elastix
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opensips

Elastix vs opensips: The Verdict

⚡ Summary:

Elastix: Elastix is an open source unified communications server software that combines IP PBX, email, IM, faxing, and collaboration features. It is built on top of free open source software like Asterisk, HylaFAX, Openfire, and Postfix.

opensips: OpenSIPS is an open source SIP proxy and B2BUA server used to build and deploy SIP platforms and VoIP infrastructures. It provides advanced routing, signaling, and session management capabilities for building large scale SIP networks.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature Elastix opensips
Sugggest Score — —
Category Network & Admin Network & Admin
Pricing Open Source Open Source

Product Overview

Elastix
Elastix

Description: Elastix is an open source unified communications server software that combines IP PBX, email, IM, faxing, and collaboration features. It is built on top of free open source software like Asterisk, HylaFAX, Openfire, and Postfix.

Type: software

Pricing: Open Source

opensips
opensips

Description: OpenSIPS is an open source SIP proxy and B2BUA server used to build and deploy SIP platforms and VoIP infrastructures. It provides advanced routing, signaling, and session management capabilities for building large scale SIP networks.

Type: software

Pricing: Open Source

Key Features Comparison

Elastix
Elastix Features
  • IP PBX for VoIP calls
  • Voicemail
  • Call conferencing
  • Call recording
  • Fax server
  • Instant messaging
  • Presence management
  • Email server
  • CRM integration
opensips
opensips Features
  • SIP signaling
  • Presence and instant messaging
  • Load balancing and failover
  • NAT traversal
  • Call routing and policy enforcement
  • Media handling and transcoding
  • Accounting and billing
  • Integration with various databases

Pros & Cons Analysis

Elastix
Elastix

Pros

  • Open source and free
  • Built on proven open source components like Asterisk
  • Supports a wide range of telephony features
  • Easy to install and manage
  • Scalable for small to large deployments

Cons

  • Limited official support options
  • Requires technical expertise to setup and manage
  • Not as feature rich as some commercial UC solutions
  • Fragmented ecosystem of addons and integrations
opensips
opensips

Pros

  • Open source and free
  • High performance and scalability
  • Modular and extensible architecture
  • Supports wide range of protocols and standards
  • Active community support

Cons

  • Steep learning curve
  • Requires expertise to setup and configure
  • Limited graphical user interface
  • Need to integrate external components for full-featured system

Pricing Comparison

Elastix
Elastix
  • Open Source
opensips
opensips
  • Open Source

Related Comparisons

Learn More About Each Product

Elastix
Elastix
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opensips
opensips
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