... management and maintenance. It is capable to work well with mainstream softswitch providers. InterfacesTelephone interfaces8* RJ45 FXS PortsNetwork ... , Network and Line LEDsVoiceFaxVoice over packet CapabilitiesG.168 with 32, 64 or 128 ms tail lengthVoice CompressionG. ... ETSI,BT,NTT, and, DTMF-based CIDPolarity ReversalYesHomologationSafetyULComplianceFCC,CE VoIP SIP Gateway With 32FXS Ports