No products
ITU-T E.800 Supplement 7 Guide for evaluating and implementing alternate routing networks
ITU-T G.215 Hypothetical reference circuit of 5000 km for analogue systems
ITU-T G.221 Overall recommendations relating to carrier-transmission systems
ITU-T G.222 Noise objectives for design of carrier-transmission systems of 2500 km
ITU-T G.223 Assumptions for the calculation of noise on hypothetical reference circuits for telephony
ITU-T G.224 Maximum permissible value for the absolute power level (power referred to one milliwatt) of a signalling pulse
ITU-T G.225 Recommendations relating to the accuracy of carrier frequencies