AGEphone is a software that allows you to make and receive phone calls from your PC. It offers a lot of options that come in handy, like importing your address book from Outlook, a speed dial function, an answering machine, call melodies, simultaneous use of multiple services and many more. Its VoIP engine microSIP stack , an original SIP parser and IP packet processing software make operation at super small size and with super light weight possible, while ensuring great sound quality through a newly developed packet buffering. AGEphone funcitons include: # High quality sound, low delay buffering # The worlds smallest and lightest VoIP stack # UPnP, STUN Support for NAT Traversal # Possibility to simultaneously use multiple Services # Support of Multi-network interfaces (NIC), including VPN # Answering Machine # Click to Call Function # DND(Do not Disturb) # Hold # VAD (Voice Activity Detection) with fade-out # Voice Jitter Absorption # Call History # Number Auto Complete # Different skins # Address Book, Outlook Support # Speed Dial Function # Inband/RFC2833 DTMF send # Call Melodies # Multiple Codecs # Voice Recording AGEphone is based on and fully complies to the following international standards: # RFC3261: SIP: Session Initiation Protocol # RFC2327: SDP: Session Description Protocol # RFC1889: RTP: A Transport Protocol for Real-Time Applications # RFC2833: RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals # RFC3489: STUN - Simple Traversal of User Datagram Protocol (UDP) Through Network # Address Translators (NATs) # RFC3581: An Extension to the SIP for Symmetric Response Routing # UPnP :Universal Plug and Play IGD