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FreeSWITCH development & consulting

FreeSWITCH Development Services for reliable, scalable VoIP platforms

Build, scale, migrate, or optimize your VoIP platform with custom FreeSWITCH development services from experienced FreeSWITCH developers. We provide FreeSWITCH consulting and customization for reliable, carrier-grade systems, with support that stays with you after launch.

NDA before we start
You own 100% of the source
24/7 engineer coverage
Asterisk · FreeSWITCH · OpenSIPS

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    Not a sales script. A technical reply within one business day.

    ★★★★★ “Resolved our core PJSIP routing within 48 hours.”
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    Dialplan

    and custom module depth

    years building on FreeSWITCH
    0
    carrier softswitch experience
    Class /5
    engineer-led support
    0 /7
    Authority

    Active in the FreeSWITCH community, not just users of it

    We’ve been building with FreeSWITCH for 16 years, staying active in the community through ClueCon, the official FreeSWITCH developer conference, including sponsorships and speaking engagements.

    ClueCon
    Sponsor & Speaker at ClueCon Pratik Patel presented Building the Next-Gen Contact Center with WhatsApp Business Calling and AI.
    Download Presentation Slides (PDF) View Official Abstract →
    16

    years building on FreeSWITCH

    Class 4/5

    carrier softswitch experience

    24/7

    engineer-led support

    Dialplan

    and custom module depth

    Trusted by Global Clients

    telware (1)
    elige-africa-1
    paratus
    logo
    toku
    Sound familiar

    If any of these are true, you are in the right place

    The FreeSWITCH symptoms teams bring us, and what we do about them.

    Our FreeSWITCH consulting and development services help you fix, optimize, and scale your VoIP platform.

    freeswitch@your-platform: ~ status
    ERRORswitch crashed under peak loadclustering + failover
    WARNone-way audio, RTP latency spikesRTP + codec + routing tuning
    ERRORno HA, single point of failureactive-active HA cluster
    WARNinherited, undocumented dialplanmapped, documented, safe to change
    WARNno in-house FreeSWITCH engineerdedicated engineers who own it
    ERRORcannot scale to target traffichorizontal scale, tested to load
    $ inextrix resolve --all▋
    Services

    However deep you need us to go

    Build new, fix what breaks, or hand us the whole platform to run.

    Build from scratch, fix what’s broken, or let our FreeSWITCH developers manage the platform end to end.

    Custom development

    Build new platforms, features, modules, dialplans, and integrations to your needs.

    Consulting & architecture

    Design for capacity, FreeSWITCH high availability, clustering, and security.

    Migration & upgrade

    Move from legacy PBX or older FreeSWITCH versions with a smooth, parallel cutover.

    Optimization & tuning

    Tune RTP, codecs, and dialplans for more calls, better quality, and lower costs.

    Support & maintenance

    Get 24/7 monitoring and direct access to experienced engineers.

    Dialplan & modules

    FreeSWITCH dialplan development, ESL applications, and custom module engineering.

    What we build

    Carrier-grade solutions on FreeSWITCH

    From FreeSWITCH softswitch development to custom platforms, we build scalable solutions for voice, video, and communications.

    Class 4 & Class 5 softswitch

    Wholesale and retail voice with routing, rating, and billing integrations.

    IVR systems

    Flexible menus, prompts, and self-service call flows with FreeSWITCH IVR development.

    Conferencing

    Scalable audio and video conferencing.

    Call center platforms

    Inbound, outbound, and blended contact center solutions.

    Unified communications

    Voice, video, chat, and presence in one platform.

    WebRTC, SBC & custom modules

    Browser calling, SBCs, dialplans, ESL apps, and custom FreeSWITCH integrations.

    Don’t see your setup? Our custom FreeSWITCH development services can build a solution around your exact requirements. 

    Discuss a Custom Build
    Built to scale

    Engineered for uptime, from one box to many regions

    Our FreeSWITCH high availability solutions use active-active clustering, SIP load balancing, and automatic failover to keep your platform reliable as traffic grows.

    architecture.scale()
    Single HA cluster Multi-region
    SIP load balancer · active-active
    FS-01
    FS-02
    FS-03
    FS-04
    FS-05
    FS-06
    Shared state · DB replication · failover
    Active-active nodes with automatic failover. 30k+concurrent calls

    We design the right level of scalability and redundancy for your traffic, budget, and business needs, never a one-size-fits-all setup.

    What you get

    Outcomes, Not Just Features

    The goal is a FreeSWITCH solution that delivers real business value.

    Less downtime

    Reliable, clear calls

    Scales with traffic

    No vendor lock-in

    Stronger security

    Faster time to market

    Lower running cost

    Full platform control

    How we work

    A partner, not just a vendor

    Clear communication, experienced FreeSWITCH developers, and support that continues after launch.

    Discovery

    We understand your setup, traffic, and goals before we start.

    Build or fix

    Senior engineers develop or optimize your platform with clear documentation.

    Deploy

    Testing and a planned cutover help you go live without surprises.

    Support

    Ongoing monitoring, maintenance, and knowledge transfer keep your team in control.

    Our Case Studies

    See how our FreeSWITCH development services solve real VoIP challenges and deliver better business outcomes.

    Secure IP PBX Solution
    North America
    Secure IP PBX Solution
    How Inextrix’s Secure IP PBX Ensured Confidentiality for a U.S. Healthcare Provider

    We are glad to support a leading U.S. healthcare provider in strengthening its communication security and compliance framework. The organization needed a reliable partner to improve confidentiality across patient interactions. With our expertise in secure IP PBX development, we delivered a customized, compliance-ready solution that improved data protection, ensured secure communication flows, and aligned seamlessly with their operational and regulatory requirements.

    Industry · Healthcare
    Download case study →
    IP PBX
    Asia
    IP PBX
    A Turnkey Communication Solution Provisioned With On-Site Deployment & Training​

    A tailored communication solution is deployed with on-site setup and training services for MKC Infrastructure Ltd, which is one of the renowned construction and infrastructure development companies in India. The system consists of an IP PBX solution, desktop and mobile dialer support, and IP phones.

    Industry · Construction & Infrastructure
    Download case study →
    See all case studies

      60-SECOND SELF-ASSESSMENT

      Is your FreeSWITCHsetup carrier-ready?

      Answer four quick questions. We'll flag your risk areas instantly, no call required.

      Do you have automatic failover if a node goes down?

      Is your Asterisk on a current, supported LTS version?

      Is your dialplan documented and understood by more than one person?

      Have you had a security review in the last 12 months?

      Frequently Asked Questions

      What is FreeSWITCH development?

      FreeSWITCH development involves building and customizing VoIP platforms using FreeSWITCH, from softswitches and IVR to conferencing, call centers, WebRTC, and unified communications.

      Yes. We build FreeSWITCH high availability setups with SIP load balancing, clustering, and automatic failover to handle growing traffic.

      Yes. We review, document, stabilize, and optimize existing FreeSWITCH platforms, then provide ongoing support.

      Yes. You own 100% of the source code. We provide clean, documented code and knowledge transfer with no vendor lock-in.

      Yes. We handle FreeSWITCH migration and upgrades with a planned, parallel cutover to minimize disruption. 

      Yes. We can add SIP security, rate limiting, call controls, fraud protection, and other safeguards to protect your platform.

      Yes. We offer 24/7 monitoring, maintenance, troubleshooting, and ongoing improvements, with direct access to experienced engineers.

      We’ve worked with FreeSWITCH for 16 years, with deep experience in FreeSWITCH customization, dialplan development, modules, and integrations, along with active involvement in the FreeSWITCH community.

      Ready to Get Started?

      With decades of experience and know-how in software development essentials, we build future-proof, intuitive, and highly scalable web, mobile, and VoIP solutions. Bring ultimate success to your business with Next-Gen, Tech-Empowered Solutions.

      Sales

      +1 315 898 1139 (United States)

      +91 93166 18150 (India)

      +44 20 3769 2439 (United Kingdom)

      contact@inextrix.com

      HR

      +91 7624079397 (India)

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        United States

        425 W Colonial Dr, Suite 303
        Orlando, FL 32804
        United States

        +1 315 898 1139

        United Kingdom

        128 City Road
        London EC1V 2NX
        United Kingdom

        +44 20 3769 2439

        South Africa

        Baobab Office Park, 86 John Vorster Rd, Randpark Ridge 2169
        South Africa

        +27 10 630 0487

        India

        508–509, Lilamani Corporate Heights
        Ahmedabad, Gujarat 380013
        India

        +91 93166 18150

        Established in 2010, we're a team of tech enthusiasts driving businesses to success with cutting-edge technology.

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