Sell Voip Anti-blocking Solution ---- VoiceGuard

Key Features       l           Maximum call completion rate and maximum voice service duration       l           SIP core standards and variety of drafts supported       l           Proprietary link layer protocol for controlling       l           Any 3 rd -party softphone / ATA/ Gateway / IP Phone / IAD and SIP proxy / Registrar / SBC supported       l           The most comprehensive codec including G711 / G.729ab / iLBC / GSM / speechX supported       l           Bypassing Narus and Verso platform detection       l           Flexible user-customized encryption policy driven       l           Strict call path protection and security up to termination       l           Only simultaneous signaling / media / T.38 fax packet support across any firewall       l           No network of firewall modification is required       l           Excellent voice quality without any latency and performance compromise       l           Small footprint terminal SDK       l           Available on all major platforms               Technical Specification       Support UDP, TCP, RTP / RTCP, T.38 Fax, SIP – RTC3261~3266, STUN-RFC3489, Symmetric Response-RFC3581, DNS / TFTP / Radius wrapper               VGCP Family Components       l           VGBC (Voice Guard@ Border Controller)       l           VoiceGuard@ SDk for softphone / ATA / Gateway / IAD / IP Phone (available on Windows, Embedded Linux)       l           VoiceGuard@ Plug-in (VG Plug-in) for Windows & Linux       l           VoiceGuard Standalone Client(VGSC) for Windows       l           VGSPE VoIP Security Phone adapter