FREE SOFTWARE DIRECTORY

Twinkle

Twinkle is a software phone for voice over IP communications 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. Some of the features offered are call waiting, call hold, 3-way conference call, call transfer, and call reject. It supports STUN or a statically configured public IP address for NAT traversal. When using STUN, it will send keep-alive packets to keep NAT bindings alive. It supports ZRTP for secure voice communication.

Features includ:

• 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
• Reject call transfer request
• Call reject
• Repeat last call
• Do not disturb
• Auto answer
• 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) (new)
• STUN support for NAT traversal
• Send NAT keep alive packets when using STUN
• NAT traversal through static provisioning
• 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

Last updated 11 Oct, 2006