? Knowledge of GSM/GPRS/3G/CDMA/PacketCable network elements in an end-to-end setup. Languages: C, C++, SDL (Specification and Description Language) Scripting Language: Tcl/Tk, Python Tools: SDT (SDL Design Tool from Telelogic), Protocols and Standards: BSSGP, NS, GMM, SM, RRC, NBAP, FP, RLC, MAC, PDCP, BMC, RANAP, SCCP, COPS, PCMM, DOCSIS, LDAP, TTCN, ASN1