SpeedVoIP Debuts VoIP Anti-Blocking
http://www.speed-voip.com/vgclientsdkcomparison.html
VoiceGuard™ is versatile and powerful VoIP anti-blocking solution for ITSP and VoIP Reseller which can protect call completion and lead to maximum service duration while prevent revenue leakage for ITSP, which can work with any 3rd-party SIP proxy or server.
VoiceGuard™ VoIP Adapter (VGSPE) for security & anti-blocking function, available in 1-, 2-, 4-port FXS & FXO models


Key Benefits:

  Minimal Overhead and High Call Quality
  Easy to Use and Cost-effective
  Any 3rd party SIP proxy/Registrar/SBC supported
  Support termination server blockade

For more inform, pls review: www.speed-voip.com

Lynn
Skype: svoipsales
MSN: svoipsales