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Sippax Softphone Dialer Sippax is the leading SIP dialer, work automatically under NAT with new technology UPNP that can handle symetric NAT. Best voice quality with G.723.1 codec and G.729, GSM and G711. Video codec supported are H.263 and H.261. Sippax support HOLD function, mute function, mic/spk volume control, audio video configuration wizard, Auto Login to web billing CDR, call History, address book, Balance display, fully skinable look n feel, available for private label and logo. Features: Customized skin Interfaces Support Audio and Video Call timer Display Balance and CDR Last Number Redial Local signaling (busy, ring back, etc.) Touch Tone Send DTMF as RFC2833 Address Book Audio Video Wizard Work with any full-duplex sound card USB hand set and headset support NAT/Firewall traversal Specify NAT IP to be written in SIP messages Uses NEW RFC 3261 compliant stack DNS support Small application size Not using any .NET and Java Runtime Library Free G.729 codec implementations available

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