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    Sofia-SIP

    Last Updated May 24, 2021 1:55 pm
    Vangie Beal
    Written by Vangie Beal
    An open-source SIP (Session Initiated Protocol) User-Agent library that is used in building SIP client software for VoIP, IM, and many other real time and person-to-person communication services. Sofia-SIP is compliant with the IETF RFC3261 specification. It is based on a SIP stack developed at the Nokia Research Center.

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    Vangie Beal
    About the author About the author arrow
    Vangie Beal

    Vangie Beal is a freelance business and technology writer covering Internet technologies and online business since the late '90s.

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