No products
ITU-T Q.25 Splitting arrangements and signal recognition times in 'in-band' signalling systems
ITU-T N.11 Essential transmission performance objectives for international sound-programme centres (ISPC)
ITU-T G.732 Characteristics of primary PCM multiplex equipment operating at 2048 kbit/s
ITU-T K.19 Joint use of trenches and tunnels for telecommunication and power cables
ITU-T R.35 Standardization of FMVFT systems for a modulation rate of 50 bauds
ITU-T S.32 Answer-back units for 200- and 300-baud start-stop machines in accordance with Recommendation S.30