Best Call Center Software for SIP.US

Find and compare the best Call Center software for SIP.US in 2026

Use the comparison tool below to compare the top Call Center software for SIP.US on the market. You can filter results by user reviews, pricing, features, platform, region, support options, integrations, and more.

  • 1
    3CX Reviews
    Top Pick

    3CX

    3CX

    Free for up to 10 users
    1,236 Ratings
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    3CX is an open-standards, software-based IP PBX that provides complete Unified Communications right out of the box. 3CX is suitable for all industries and sizes. It can provide everything you need, from mobility and status to advanced call center features and more, at a fraction the cost. 3CX is ideal for remote companies and includes mobile apps, video conference, and website live chat. The installation, management, and maintenance of the PBX are so simple that you can easily manage it yourself, on your own appliance, server, or on a cloud-based platform. You can also choose to have it hosted on 3CX for an easy solution.
  • 2
    Vodia PBX Reviews
    Vodia is a software-based PBX that runs on Windows and Linux. It offers all the advanced features you would expect from a full-featured PBX, including call queues, auto attendants and call forwarding. Vodia is also the pioneer in Multi-Tenancy. You can host Vodia on a dedicated VM( Virtual Machine) in the cloud, premises, and maintain multiple FQDNs for each customer. Sign up for a hosted demo license code for 60 days.
  • 3
    Zultys MX Reviews
    Our comprehensive business phone systems can be deployed on-premises, as virtual solutions, or through a hybrid model. Regardless of your chosen method, all systems utilize the same software, ensuring that you enjoy a consistent array of robust features, user-friendly operation, and a seamless user experience. For maximum convenience, you can opt for a fully hosted and managed Zultys MX system, which offers tailored packages for standard users, advanced features for enhanced unified communications, and integrated contact center options that are perfect for customer service, sales, and support teams. Additionally, the Zultys MXvirtual serves as a fully integrated unified communication solution and IP phone system, designed as a VMware-ready virtual appliance. This innovative and scalable solution combines voice, video, data, and mobility to enhance collaboration and communication for businesses of all sizes, ultimately streamlining operations and improving efficiency. With the flexibility to adapt to various business needs, our systems are geared towards fostering growth and connectivity in a dynamic business environment.
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