... NC-AD300D is designed and manufactured by NiceComm according to International Telecom Standard, solves any signalling inter-work issues between ... signaling converter. Specification:·Signalling support: SS7, PRI, Q.SIG, R2, V5.2;·Interface Connector: 16 E1(T1), 1 10/100M ... signalling between SS7, ISDN PRI, Q.SIG, V5.2, R2;·Multi router, inter-office management, Intelligent route distribute and telephone ...