Other members of VoiceGuard for VoIP anti-blocking as follows:
VoiceGuard Standalone Client(VGSC) for Windows Perform encryption for any brands of ATA/Softphone, such as Linksys PAP2 & X-lite
VoiceGuard Client SDK(VGSDK) - Incorporate voip anti-blocking capability into existing legacy softphone and dialer running on Windows(Softphone/Dialer customization service is also available with VGSDK)
VoiceGuard SPE VoIP Adapter(VGSPE) VoIP anti-blocking ATA device which is available in 1 - 4 FXS & FXO ports
VoiceGuard Border Controller(VGBC) Support any brands of ATA/Softphone for existing legacy ATAs, such as Linksys PAP2
For more info, pls visit: http://www.speed-voip.com