History of ITU Portal

 HISTORY OF ITU PORTAL


Name
Yellow Book: Volume IV - Fascicle IV.3: Maintenance: International Sound-Programme and Television Transmission Circuits; Recommendations of the N Series
Handle ID:

11.1004/020.1000/4.258.43.en.1012
Yellow Book: Volume IV - Fascicle IV.4: Specifications of Measuring Equipment; Recommendations of the O Series
Handle ID:

11.1004/020.1000/4.258.43.en.1013
Yellow Book: Volume V: Telephone Transmission Quality; Recommendations of the P Series
Handle ID:

11.1004/020.1000/4.258.43.en.1014
Yellow Book: Volume VI - Fascicle VI.1: General Recommendations on Telephone Switching and Signalling; Interface with the Maritime Service; Recommenations Q.1-Q.118bis
Handle ID:

11.1004/020.1000/4.258.43.en.1015
Yellow Book: Volume VI - Fascicle VI.2: Specifications of Signalling Systems Nos. 4 and 5; Recommendations Q.120-Q.180
Handle ID:

11.1004/020.1000/4.258.43.en.1016
Yellow Book: Volume VI - Fascicle VI.3: Specifications of Signalling System No. 6; Recommendations Q.251-Q.300
Handle ID:

11.1004/020.1000/4.258.43.en.1017
Yellow Book: Volume VI - Fascicle VI.4: Specifications of Signalling Systems R1 and R2; Recommendations Q.310-Q.490
Handle ID:

11.1004/020.1000/4.258.43.en.1018
Yellow Book: Volume VI - Fascicle VI.5: Digital Transit Exchanges for National and International Applications; Recommendations Q.501-Q.507. Interworking of Signalling Systems; Recommendations Q.601-Q.685
Handle ID:

11.1004/020.1000/4.258.43.en.1019
Yellow Book: Volume VI - Fascicle VI.6: Specifications of Signalling System No. 7; Recommendations Q.701-Q.741
Handle ID:

11.1004/020.1000/4.258.43.en.1020
Yellow Book: Volume VI - Fascicle VI.7: Functional Specification and Description Language (SDL); Recommendations Z.101-Z.104. Man-Machine Language (MML); Recommendations Z.311-Z.341
Handle ID:

11.1004/020.1000/4.258.43.en.1021
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