• Twinkle Softphone with Ubuntu 14.04

    Twinkle is a softphone for your voice over IP and instant messaging communcations using the SIP protocol. You can use it for direct IP phone to IP phone communication or in a network using a SIP proxy to route your calls and messages.

     

    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
    • Mute
    • Call redirection on demand
    • Call redirection unconditional
    • Call redirection when busy
    • Call redirection no answer
    • Reject call redirection request
    • Blind call transfer
    • Call transfer with consultation (attended call transfer)
    • Reject call transfer request
    • Call reject
    • Repeat last call
    • Do not disturb
    • Auto answer
    • Message Waiting Inidication
    • Voice mail speed dial
    • User defineable scripts triggered on call events
      E.g. to implement selective call reject or distinctive ringing
    • RFC 2833 DTMF events
    • Inband DTMF
    • Out-of-band DTMF (SIP INFO)
    • STUN support for NAT traversal
    • Send NAT keep alive packets when using STUN
    • NAT traversal through static provisioning
    • Persistent TCP connections for NAT traversal
    • Missed call indication
    • History of call detail records for incoming, outgoing, successful and missed calls
    • DNS SRV support
    • Automatic failover to an alternate server if a server is unavailable
    • Other programs can originate a SIP call via Twinkle, e.g. call from address book
    • System tray icon
    • System tray menu to quickly originate and answer calls while Twinkle stays hidden
    • User defineable number conversion rules
    • Simple address book
    • Support for UDP and TCP as transport for SIP
    • Presence
    • Instant messaging
    • Simple file transfer with instant message
    • Instant message composition indication
    • Command line interface (CLI)