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