1)Signaling gateway, converter any signaling between SS7, ISDN PRI, Q.SIG, V5.2. R2; 2) ... manufactured by NiceComm according to International Telecom Standard, solves any signaling inter-work issues between various switches and equipment through E1 ... -AD300D is a cost effective, powerful, reliable and stable signaling converter.Specification:·Signaling support: SS7, PRI, Q.SIG, R2, V5.2;·Interface ...