Features:

• ITU-T H.323 v3 and H.450 compliance
• SIP RFC 2543/3261 standard compliance
• PSTN signaling: ISDN/PRI, CAS (MFC R2, MFC R1, E&M)
• Mixed SIP, Gatekeeper and P2P calls
• Support H.323 Gatekeeper register, direct and route calls
• Support SIP outbound proxy, redirect and register server
• Built-in phone book and prefix routing for SIP and H. 323 P2P calls
• Support H.323 fast connect, early H.245 and H.245 tunneling
• Support H.323 and SIP early media
• Support RADIUS authorization and billing message
• Intelligent PSTN call routing and in-trunk hunting
• Flexible digit manipulation plan
• Support access control by ANI, DNIS, IP, Gatekeeper only, proxy only or RADIUS
• Behind NAT friendly for SIP calls
• In-band and out of band DTMF transmission
• SIP/H.323 T.38 fax relay up to 14400 bps
• Dynamic call treatment based on DNIS, ANI or collected DTMF
• CISCO compatible
• Web-based graphic annoucement edit and management
• Multiple configuration saving
• Provides CDR (Call Detail Recording)
• Built-in internal user authentication for prepaid & postpaid users
• SS7
• Dual SIP/H.323 co-existing

• Built-in IVR & call-flow controller

- Web based GUI Drag and Drop interface - Full control of call behavior (one-stage or two-stage dialing) - IVR functions - Support time duration play back (Chinese & English) - Power call information branch - Collected information validation - Active disconnect & reconnect without hang up - Selected disconnect cause code & behavior