Protingent
–
Bailey's Crossroads, VA, 22041
... Understanding of messaging applications and call processing across the telecom network nodes. Prior hands-on experience ... Radio resource management GSM SS7, SIGTRAN, GSM, VLR, HLR, MSC, SMSC, Billing, CAMEL, GPRS 4G/LTE UMTS, RNC, Node-B LTE Uu ... - Apr 18