... bridge to VoIP services.InteroperabilitiesThe WSS100-TG supports use-wide ISDN PRI connections to class 4/5 switches such as those ... , Huawei, ZTE and others. It also supports network-side ISDN connections to ISDN PBXs and supports features such as Caller ID and ... /WEB Mode, Remote Software Upgrade, Alarm, Performance DataSignaling· PSTN Side ISDN PRI Standard: ANSI, NI-2, DMS, 5ESS· VoIP ProtocolSIP ( ...