GlobalNetworks Solutions, Inc. Page 25.

Modular design to accommodate various types of telephony interfaces.

Both support SIP and H.323 protocols: SIP Registration and Digest Authentication; H.323 Gatekeeper

Registration. SIP Single Number / Account for multiple ports.

Caller ID Delivery: FXS support DTMF Caller ID generation.

Smart VoIP call Dialing Book: VoIP call Book could provide any application VoIP call to any type destination

(Domain name / IP address, PSTN or PBX) or hunting number setting.

AC termination Impedance : 600/900 OHM and complex impedance

Answer Supervision for Polarity Reversal Detection and Voice detection

NAT traversal: This feature allow gateway to operate behind any NAT/Firewall device. Need not to change any

configuration of NAT/Firewall like setting virtual server.

Smart-QoS Guaranteed: This bandwidth management feature provide good voice quality when

User place a VoIP call and access internet at the same time. The gateway will automatically start to reserve

bandwidth for voice traffic when VoIP call proceeds.

Call Hunting Facility: This function helps gateway to use the lines effectively. This facility automatically transfers

your incoming call to a free line. Subscribers need not indicate numerous numbers of each port of gateway.

Voice channels status display: This function display each port status like as onhook, offhook, calling number

callee’s number, talk duration, codec.

Flash Detection and Generation Program: FXO support Flash Generation and FXS support Flash Detection.

FXO answer Mode: FXO provides Ringing Answer, Connection Answer and Non Answer for configuration.

FXO anti-seized mechanism : FXO provides busy tone auto-learning and manually configuration

busy tone learning.

By Modular hardware design SB800/S1600/S2400 series makes any

combination of the telephone interface. The Soundwin SB800/S1600/

S2400 Series VoIP Gateway is fully SIP and /H.323 standard

compliant high density gateway that provides a total solution for

integrating voice-data network and PSTN. By modular installation,

this revolutionary compact voice over IP (VoIP) gateway could be

easily configured as 8/16/24 channels high density FXS/FXO VoIP

Gateway which provides voice connectivity over the IP network and

to the Public Switched Telephone Network (PSTN).