الوصف

Killer of ISP blocking. VoiceGuardâ„¢ 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. VoiceGuardâ„¢ VoIP Adapter (VGSPE) for security & anti-blocking function, available in *-, *-, *-port FXS & FXO models: VGSPE 1.1(1 FXS), VGSPE 1.1pro(1 FXS 1 FXO), VGSPE 2.1(2 FXS), VGSPE 2.1pro(2 FXS 1 FXO), VGSPE 4.0(4 FXS), VGSPE 4.2pro(4 FXS 2 FXO) 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