Open Source Telephony Software

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Browse free open source Telephony software and projects below. Use the toggles on the left to filter open source Telephony software by OS, license, language, programming language, and project status.

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  • 1
    The libSRTP project has been moved to https://github.com/cisco/libsrtp
    3 Reviews
    Downloads: 33 This Week
    Last Update:
    See Project
  • 2

    The ASN.1 Compiler

    Go to github.com/vlm/asn1c for the latest version.

    This ASN.1 compiler turns ASN.1 specifications into C code. The asn1c is shipped together with conformant BER/DER/XER/PER codecs. The X.509, GSM TAP3, MEGACO, RRC and LDAP encoding and decoding examples are part of the source code distribution. NOTE: THE asn1c PROJECT HAS LARGELY MOVED TO GITHUB: http://github.com/vlm/asn1c
    7 Reviews
    Downloads: 1 This Week
    Last Update:
    See Project
  • 3
    Cryptofon

    Cryptofon

    Cryptofon - a safe phone with integrated encryption.

    The Cryptofon is designed to enable safe and secure communication trough a regular PSTN line. It supports narrowband connections (~2400 bit/s and lower).
    Downloads: 0 This Week
    Last Update:
    See Project
  • 4
    Java implementation of MIKEY (Multimedia Internet KEYing, RFC 3830).
    Downloads: 0 This Week
    Last Update:
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  • 5
    openssl is well-known allover the world,but it is huge,complex.our target is develop a tinytls,it is small,simple,good understanding,and usually for embedded system.But it can support most openssl features.You can add some other features easily.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    This turns a PDA with a wireless connection into a internet telephone.
    Downloads: 0 This Week
    Last Update:
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