... : * Signalling support: ITUT C7, SS7, ISDN PRI, ETSI ISDN, Q.SIG, R2, V5.2 * Interface Connector: 16 E1 (8 spans), 10/100M network ... 2048 x 2048 * Clocking accuracystratum 3 Clock. * Clocking Source from E1 or internal. * Hard ware resource: 256 Voice channels,256 meeting ... and delivery. Function: * Convert any signaling between ITUT C7, ISDN PRI, ETSI ISDN, Q.SIG, V5.2, R2 * Multi router, inter-office ...