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Twinkle - Open Source VoIP Solutions

Open Source VoIP Application

Twinkle is a open source software application for Voice over Internet Protocol (VoIP) voice communications in IP networks, such as the Internet. It is designed for GNU/Linux operating systems and uses the Qt toolkit for its graphical user interface. For call signaling it employs the Session Initiation Protocol (SIP). It also features direct IP-to-IP calls. Media streams are transmitted via the Real-time Transport Protocol (RTP) which may be encrypted with the Secure Real-time Transport Protocol (SRTP) and the ZRTP security protocols.

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  • In addition to making basic voice calls Twinkle provides you the following features:

    • 2 call appearances (lines)
    • Multiple active call identities
    • Custom ring tones
    • Call Waiting / Call Hold
    • 3-way conference calling
    • Call redirection on demand
    • Reject call redirection request
    • Blind call transfer
    • Call transfer with consultation
    • Reject call transfer request
    • Repeat last call
    • Do not disturb
    • Auto answer
    • Message Waiting Indication
    • Voice mail speed dial
    • Inband / Out-of-band DTMF
    • STUN support for NAT traversal
    • Missed call indication
    • System tray icon
    • User definable number conversion rules
    • Simple address book

    And many more..

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