
32*E1s 2U chassis, SIP, PRI/SS7/R2 G.711A/U,G.723.1,G.729A/B, iLBC,AMR SDH STM-1 155M interface 1+1 Redundant power supplies
32*E1s 2U chassis, SIP, PRI/SS7/R2 G.711A/U,G.723.1,G.729A/B, iLBC,AMR SDH STM-1 155M interface 1+1 Redundant power supplies