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Ctc Union Technologies Co.,Ltd.
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Hardy protocol, transmission analyzer, interface converters, Tl/El DSU/CSU digital access unit SDSL series, BOB and IAN cable tester, communication products series.
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Telebyte Inc
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Local Loop Simulators and Noise Generators for ADSL, ADSL2, ADSL2++, G.SHDSL, VDSL Testing.
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MarQuest Limited
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Provides equipment and services for analysis and testing in digital telephony (PCM) transmission and signalling systems.
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Hermon Labs - Global compliance solutions
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Hermon Labs designs and manufactures standards compliant, versatile, Independent, comprehensive major telecom standards worldwide, solution testing with automatic testing. TCA 8200 is a complete and modern conformance test system using the latest in measurement technology and supporting a wide range of international technical regulations for testing telecommunications terminal equipment IP/Analog telephone manufacturers and designers test solution to evaluate the acoustic properties. Full compliance, pre-compliance, product development, type approval, Quality control, production testing, & debugging for R&D. International standards for FCC, CS03, ETSI, AS/ACIF, TBR, and many more. Supports analog PSTN (PESQ), E1, T1, ISDN PRI, xDSL, VoIP, SIP, VQT (PESQ), Acoustic and HATS testing.
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