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    Grandstream products are designed for interoperability. Because all Grandstream products are based on SIP, they can be integrated with most Internet Telephony Service Providers (ITSPs), SIP services and SIP devices on the market.  We also proactively test and certify our products with all major SIP platform providers. Grandstream IP Video Surveillance products are interoperable with most SIP video surveillance services and devices – and are ONVIF compliant.

    Service providers

    Some of the largest service providers around the world trust and deploy Grandstream products. By being based on open-source SIP, our range of IP phones, ATAs, Gateways, IP PBXs and more are interoperable with a large list of service providers throughout the world

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    Technology partners

    Our IP voice and video telephony devices run the open-source SIP platform and are therefore interoperable with a variety of third party SIP products and services – including SIP PBXs, SIP software, IP door phones and more

    Find a Technology Partner

    Platform partners

    We have close relationships with the leading SIP platform providers in the world and actively ensure operability testing with these partners. Our close relationship and interoperability with these major platform vendors allow our products to be seamlessly deployed by service providers throughout the world.

    Find a Platform Partner