... , RFC2833, Routing table VoIP SIP E1/T1 ISDN PRI Trunk gatewaySupport PRI and SIPT.38 Fax RelayRouting table120 concurrent calls ... for voice and faxTDM Trunk Gateway:WSS100-TG trunking gateway is the ideal cost ... , Alarm, Performance DataSignaling· PSTN Side ISDN PRI Standard: ANSI, NI-2, DMS, 5ESS· VoIP ProtocolSIP (RFC3261) , 2976 Info Method, 3515 ...