The VGSPE 4.2 pro is an award-winning next generation VoIP Security Phone Adapter based on industry open standards. With built in our unique VGCP VoIP anti-blocking solution, the core patent-pending VGCP is industry’s most state-of-the-art voice service provider class security protocol whose scalability and flexibility results in not to compromise voice quality and overhead. It can disguises SIP and RTP packets into normal allowed data packets such as DNS and TFTP, and makes two-way encryption and decryption driven by user-customized policy. Even in some circumstance, it can simulate traffic behavior of universal data networking protocol such as OICQ, MSN and so on.

Features & Benefits
 Surpass conventional VPN
 Full Feature Voice / Fax-over-IP
 Universal plug and dial.
 Extremely cost affordable

Technical Details
1 Model: VGSPE 4.2 pro
2 Ports: Power, 2 (RJ45) for Ethernet port and RJ11 for Phone ports
3 Phones Ports: 4 FXS ports and 2 FXO ports
4 Anti-blocking: Built-in VGCP anti-blocking solutions
5 Standards: SIP (RFC 3261~3266 and various SIP draft extensions), SDP (RFC2327), RTP/RTCP (RFC 3550, 3551)
6 Voice Codec: G.711 u-law, G.711 a-law, G.729, G.729 a/b
7 Fax Codec: G.711 pass-through, T.38
8 IP Assignment: Static IP, DHCP, PPPoE
9 Call Features: Call transfer (attended), Call forward (busy / no answer / unconditional), Call hold / retrieve, Call waiting, Caller ID display, Caller ID blocking, Anonymous call blocking, Hook flash
10 Security: HTTP 1.1 basic/digest, Authentication for Web setup, MD5 for SIP authentication (RFC2069 / RFC2617)
11 Voice Quality: VAD, CNG, AEC, AGC, Packet loss concealment, each line G.169 up to 128ms, Dynamic jitter buffer, Bell 202 and V.23 caller ID
12 Tone: DTMF, Ring Tone, Ring back tone (local and remote), Dial tone, Busy tone, MWI

Lynn
MSN: svoipsales@hotmail.com
Homepage: www.speed-voip.com