telecommunications test systems, digital test, catapult, catapult communications, wimax, ims, 4g, 3g, voip, dcts, dct2000, dct, mgts, mgtsi3000, pasm, linux, powerpci, ue tester, protocol conversion, network simulators, encoder, decoder, state machine, 3g, 3rd generation cellular, cdma2000, atm, voice over ip, voip, ss7, ss7, signaling system 7, gprs. digital cellular-is-41, gsm, cdma, pcs, intelligent network traffic channel, camel, cap, aal2, ssadt, ssted, sssar, cps, saal-nni, sscf-nni, sscop, aal5, saal-uni, mtp-3b, tcp, udp, ip, fp, mac, rlc, rrc, stc, stc-mtp3-b, stc-sscf uni, stc-sscop, alcap, ranap, gtp, iuup, nbap, is-41, map, map-j, b-isup, h.323, annex e, h.225, h.248 megaco, megaco, mgcp, sip, rtp, rtcp, m3ua, mtp l2 & l3, sccp, tup, isup, tcap, sctp, bssap, islp, inap, vox voice channel, tone generation

catapult communications provides test systems for 3g, voip, gprs, ss7, intelligent network, atm, v5, digital cellular and isdn. test functions include: design & feature verification conformance testing, interoperability testing, load & stress testing, installation testing, acceptance testing.