... Connector:8 E1(T1), 1 10/100M network, 1 RS232 console; 2)Convert any signalling between SS7, ISDN PRI, Q.SIG, R2 ... , V5.2;·Interface Connector: 8E1,1 10/100M network, 1 RS232 console;·Link: 8 SS7 links, 8 PRI;·Switching Volume: 2048 ... meeting channels, 256 DTMF channels, FSK inspection and delivery;Function:·Convert any signalling between SS7, ISDN PRI, Q.SIG,V5.2 ...