Best SIP Trunk Providers

Compare the Top SIP Trunk Providers as of October 2025

What are SIP Trunk Providers?

SIP trunk providers are communication service providers that utilize the Session Initiation Protocol (SIP) to provide voice and multimedia sessions over the Internet. They can be used to interconnect an organization’s VoIP infrastructure with the public switched telephone network, allowing businesses to make use of their existing VoIP systems while also taking advantage of external telephony services. SIP trunking is seen as a cost-effective way of providing reliable voice and data services for businesses. Compare and read user reviews of the best SIP Trunk providers currently available using the table below. This list is updated regularly.

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    Squaretalk

    Squaretalk

    Squaretalk

    Squaretalk is a powerful contact center solution that transforms how modern teams connect with prospects and customers, convert sales opportunities, and grow their operations. The combination of AI Voice Agents, calling and WhatsApp Business messaging, AI-powered automation, and affordable scalability ensures that companies of all sizes shorten their sales cycle and elevate outreach without additional complexity or costs. Squaretalk’s platform offers omnichannel communication, powerful call-handling features, automated transcripts, sentiment analysis, contact management, customizable workflows, advanced reporting, and enterprise-grade security. With local numbers in over 150 popular and niche destinations, we enable businesses to establish and maintain a local presence, build trust, and support their global expansion. Discover how Squaretalk’s cloud contact center platform can enhance your team’s connection rates and performance.
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    Starting Price: $25/month/user
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  • 2
    CM.com

    CM.com

    CM.com

    Mobile communication and payments solutions. Combine messaging channels like WhatsApp with innovative payments to create true Conversational Commerce. We help companies communicate. Our customers use SMS, Voice and the world’s most popular chat apps: WhatsApp, Apple Business Chat, Google RCS. Start the conversation in the channel your customers prefer and let the AI bot do the talking. Integrate commerce in the conversation to drive conversions. CM.com is a licensed Payment Service Provider, offering a range of options for any channel with Apple Pay, Google Pay, WeChat Pay, Credit Cards and local payments like iDeal and Bancontact. CM.com is also a Ticketing platform helping festivals, museums and stadiums sell and manage any type of ticket. The Customer Data Platform takes marketing to a personal level. Identity and e-sign solutions assure authentication in any transaction.
    Starting Price: $0/month
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    Hostcomm

    Hostcomm

    Hostcomm

    Hostcomm is a hybrid intelligence customer service platform that combines AI and human agents to deliver efficient, personalized support. It automates routine interactions while maintaining quality, helping businesses reduce costs and expand their reach globally. The platform features multi-modal AI agents and remote visual assistance, enabling instant problem resolution without travel. Hostcomm’s WebRTC client offers secure, app-free voice, video, and chat across any device. Its advanced AI remembers customer preferences and past interactions to create natural, hyper-personalized conversations. With easy integration through modern APIs, Hostcomm helps companies scale faster and improve customer experience.
    Starting Price: £45/month
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