Design and Research for Others of Switching Networks, Optical Communications, Radio Communications, Customer Terminals, Software, Digital Exchangers, Network and Subscriber Line Interfaces, and Design and Research for Others of Special Purpose Instruments for Communication Systems, and Satellite Communications

'communic':10,12,34,38 'custom':13 'design':1,24 'digit':16 'exchang':17 'instrument':32 'interfac':22 'line':21 'network':8,18 'optic':9 'other':5,28 'purpos':31 'radio':11 'research':3,26 'satellit':37 'softwar':15 'special':30 'subscrib':20 'switch':7 'system':35 'termin':14

CSELT

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