Hi,I need help in ISDN-E1 connectivity Bitween CUCM V7.0 and Siemens HiPath 4000 V5.0.Recntly we have connected ISDN-E1 connectivity bitween CUCM V7.0 and Hipath 4000 V5.0 through ISR 3845 Gateway. when we make call from siemens to cisco its working ...