opensips VS Elastix

• Scalability
  OpenSIPS is designed to handle large volumes of SIP traffic efficiently, making it ideal for scaling VoIP infrastructures.
• Flexibility
  The platform offers extensive customization through its scripting language, allowing users to tailor the behavior and features to specific requirements.
• Feature-Rich
  OpenSIPS supports a comprehensive set of SIP features and modules, enabling varied functionalities for VoIP applications.
• Open Source
  As an open-source project, OpenSIPS allows developers to modify the source code, fostering innovation and adaptation to specific needs.
• Robust Community
  OpenSIPS has a strong community and extensive documentation, facilitating support, collaboration, and shared knowledge.

Possible disadvantages

• Complexity
  The system can be complex to configure and manage, particularly for users unfamiliar with SIP or without extensive experience.
• Steep Learning Curve
  New users might find OpenSIPS challenging to learn due to its intricate scripting and configuration requirements.
• Limited GUI Options
  While some GUI management tools exist, they may not cover the full spectrum of configuration needs compared to command-line scripting.
• Resource Intensive
  Running OpenSIPS in high-load scenarios may require significant system resources for optimal performance.
• Support
  While community support is robust, official paid support options are limited compared to commercial products.

• Unified Communications
  Elastix integrates various communication tools such as voice, email, and instant messaging, providing a comprehensive solution for businesses.
• Open Source
  Being open source, Elastix allows for customization and flexibility, enabling users to adapt the system according to their specific needs without heavy licensing fees.
• Cost-Effective
  Elastix can reduce costs by minimizing the need for hardware and expensive licenses, making it a cost-effective solution for small to medium-sized businesses.
• Feature-Rich
  It offers a wide range of features including call routing, voicemail, faxing, and more, which can satisfy diverse business needs.
• Community Support
  The active community of users and developers provides support and shares knowledge, often resulting in quicker solutions to potential issues.

Possible disadvantages

• Complex Setup
  The initial setup and configuration can be complex and may require a good understanding of telecommunication systems.
• Resource Intensive
  Running Elastix might demand significant resources, thus requiring a robust infrastructure for optimal performance.
• Limited Official Support
  While community support is strong, there might be limited official support options, which could be a drawback for businesses requiring guaranteed assistance.
• Security Concerns
  As with any open-source software, there might be vulnerabilities, and it’s crucial to regularly update and maintain the system to secure it against threats.
• Steep Learning Curve
  Users new to telecommunication systems might find Elastix challenging to learn and use effectively.

OpenSIPS by Bogdan-Andrei Iancu, Founder and Developer at OpenSIPS Project

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• RTP Module in Opensips

  Did you have some tutorials / Websites / videos ( other than https://opensips.org/ ) of how we can intégrate these modules please ? Source: over 3 years ago

• Send DTMF digits during call?

  So I finally got a SIP connection working, not through my own server (which uses a non-standard port number for SIP) but through OpenSIPS. Source: almost 4 years ago

Tracking Elastix since Mar 2021.