... stable signalling converter. Specialty: * Signaling support: ITUT C7, SS7, ISDN PRI, ETSI ISDN, Q.SIG, R2, V5.2 * Interface Connector: 16 E1 ... signaling between ITUT C7, ISDN PRI, ETSI ISDN, Q.SIG, V5.2, R2 * Multi router, inter-office management, Intelligent router distribute and telephone traffic ... Signaling Converter NC-AD300D which support the conversion among SS7, ISDN PRI, R2, V5.2