Software Alternatives, Accelerators & Startups

Flexisip VS Issabel

Compare Flexisip VS Issabel and see what are their differences

Flexisip logo Flexisip

SIP proxy server implementation compliant to RFC3261, written in C++11 started in 2011.

Issabel logo Issabel

Your Open Source Solution For Unified Comunnications And More…
  • Flexisip Landing page
    Landing page //
    2021-10-18
  • Issabel Landing page
    Landing page //
    2023-07-31

Flexisip features and specs

  • Open Source
    Flexisip is open-source, allowing users to access and modify the source code to fit their needs, which encourages transparency and community contributions.
  • Cross-Platform Compatibility
    It supports multiple platforms, enabling deployment on various operating systems such as Linux and mobile platforms like Android and iOS.
  • Rich Feature Set
    Flexisip offers a comprehensive set of features including SIP proxy, registrar, and presence server capabilities, which are essential for building robust communication systems.
  • Integrated with Linphone
    Flexisip integrates seamlessly with Linphone, a well-known softphone, allowing for easy setup and configuration for voice and video calls.
  • Scalability
    The server is designed to scale, making it suitable for both small-scale implementations and larger deployments with many users.

Possible disadvantages of Flexisip

  • Complex Setup
    Flexisip can be challenging to set up for users without a solid understanding of SIP protocols and server configuration, potentially requiring significant time and expertise.
  • Limited Documentation
    While there is documentation available, some users might find it insufficient or not detailed enough, which can complicate the setup and troubleshooting processes.
  • Potential Performance Overhead
    Depending on the configuration and scale, Flexisip might introduce additional performance overhead compared to more streamlined solutions.
  • Community Support
    As with many open-source projects, support may primarily come from the community, which can vary in responsiveness and availability.

Issabel features and specs

  • Open Source
    Issabel is open source, allowing modification and customization to fit specific business needs.
  • Comprehensive Feature Set
    Offers a wide range of features such as VoIP, conferencing, call center activities, and unified messaging, making it suitable for various business communication requirements.
  • Community Support
    Has an active community of users and developers who contribute to forums and provide support, which can be helpful for troubleshooting and learning.
  • Cost-Effective
    Being open-source and free to use can significantly reduce communication infrastructure costs, especially for small to medium-sized businesses.
  • Integration Capabilities
    Can integrate with other systems and applications, enhancing its functionality and versatility in business processes.

Possible disadvantages of Issabel

  • Complex Installation and Setup
    Might require a certain level of technical expertise to install, configure, and maintain, which can be challenging for users without IT backgrounds.
  • Limited Official Support
    Unlike commercial solutions, Issabel might lack professional support services, relying more on community-based help.
  • Potential Security Risks
    As with many open-source projects, security depends on timely updates and patches, which might be slower compared to commercial offerings.
  • Scalability Concerns
    May not scale as efficiently as some commercial alternatives, potentially posing challenges for very large organizations.
  • User Interface Limitations
    The interface might not be as polished or intuitive as some other commercial communication platforms, which may impact user experience.

Flexisip videos

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Issabel videos

Overview of issabel and comparison with elastix

More videos:

  • Review - Issabel - An Established Open Source Solution with Juan Pablo Bustos
  • Review - Issabel 2020

Category Popularity

0-100% (relative to Flexisip and Issabel)
Communication
38 38%
62% 62
VoIP
36 36%
64% 64
Enterprise Communication
34 34%
66% 66
Tool
53 53%
47% 47

User comments

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What are some alternatives?

When comparing Flexisip and Issabel, you can also consider the following products

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

FreeSWITCH - 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.

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

FusionPBX - FusionPBX is an open source FreeSWITCH GUI.

Wazo.io - The UCaaS Platform Built for MSPs​

XiVO - 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