Leading H.323 Softphone dialer in industry. Best voice quality with G.723.1 and G.729A ** codec, other codec supported iLBC, GSM, G.711. With Hold, mute functions, mic/spk volume control, audio device selection, USB handsets integration, auto login to web billing, account balance display, address book, call history, H.323 call signal and RTP media stream encryption, available for private label and logo.

Features:
H.323 industry standard support, based on OpenH.323 stack
Gatekeeper (RAS) client support, with broadcast and multicast discovery
H.235 Annex D support for Gatekeeper access
Fast Start and H.245 tunneling
DTMF sending in Q.931 and H.245
Proved interoperability with most ITSP, IP-PBXs, softphones and Gateways, fully GnuGK compatible

G.729 **, G.723.1, iLBC, GSM full rate (06.10) and G.711 uLaw and G.711 aLaw codecs supported in software
Codec preference management

Silence suppression
Dynamic threshold algorithm for silence detection
Adaptive Jitter buffer

PC to PC call, PC to Phone call, and Phone to PC call
Basic Telephony, Mute, Redial
Business Telephony, Forward, Transfer, Hold

Audio Wizard
Volume and Microphone gain control

USB handsets integration

Address Book, Call history, Call logs
Hot keys and Speed-dial

Fully attractive skinable interface
Private Branding and load your logo
Locked to a ITSP service profile/GUI
Localization

Call timer
Account Balance Display
Auto Login to your billing website page

DNS support
H.323 call signal and RTP media stream encryption, bypass VoIP blocking

ActiveX webdialer for web click-to-calls

PC Platforms: MS Windows 98/ME/2K/XP/2003/Vista

NOTE: For G.729 patent licensing please contact www.sipro.com