The A8619 Protocol Test System offers Analysis, Simulation, Emulation of SS7, V5, ISDN, INAP, GSM, GPRS, CDMA and VoIP protocols.

Manufactures wide range of instrumentation and systems for communications equipment development and maintenance. Areas of application include optical transport, data communications, cable and wireless.

OSP cable fault location test equipment.

Manufacturer of the modem line tap used by POS, ATM and the telecommunications industry to troubleshoot analog data communications on telephone lines.

Communications test equipment solutions, bulk call generators, switch/network, simulation, signaling analyzers, transmission impairment measuring sets (TIMS), bit error rate testers, wireless cellular/PCS quality of service.

Design, develop, manufacture and market signal reconnaissance equipment to collect and process telecommunications signals.

Arca Technologies provide a complete range of VoIP, ISDN, VoDSL, xDSL, V5.1, V5.2 and PSTN test and simulation equipment

Supplier of revenue assurance and switch testing equipment and systems.

Supplies digital and analog panel meters, temperature and process controllers, and hand-held test and measurement equipment.

Develops, manufactures, markets and supports an advanced software-based test system offering an integrated suite of testing applications for the global telecommunications industry. (Nasdaq: CATT).

Manufacturer of cable fault locating and testing equipment for industrial and telecommunications applications

Manufactures optical test equipment.

Manufacturer of telecommunications test equipment including xDSL cable qualifiers, test sets for ISDN, T3/T1, E1 and TDR.

Hardy protocol, transmission analyzer, interface converters, Tl/El DSU/CSU digital access unit SDSL series, BOB and IAN cable tester, communication products series.

Delsat is an Argentinian company which manufactures metering and monitoring equipment for telecommunications.