Q55

Twinkle is a soft phone for your voice 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.

Feathers:

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

• 2 call 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
• Presence
• Instant messaging
• Simple file transfer with instant message



• Instant message composition indication

In Pakistan, It is Q55.