History of ITU Portal

 HISTORY OF ITU PORTAL


Name
Red Book: Volume VI - Fascicle VI.3: Specifications of Signalling System No. 6; Recommendations Q.251-Q.300
Handle ID:

11.1004/020.1000/4.259.43.en.1019
Red Book: Volume VI - Fascicle VI.4: Specifications of Signalling Systems R1 and R2; Recommendations Q.310-Q.490
Handle ID:

11.1004/020.1000/4.259.43.en.1020
Red Book: Volume VI - Fascicle VI.5: Digital Transit Exchanges in Integrated Digital Networks and Mixed Analogue-Digital Networks; Digital Local and Combined Exchanges; Recommendations Q.501-Q.517
Handle ID:

11.1004/020.1000/4.259.43.en.1021
Red Book: Volume VI - Fascicle VI.6: Interworking of Signalling Systems; Recommendations Q.601-Q.685
Handle ID:

11.1004/020.1000/4.259.43.en.1022
Red Book: Volume IV - Fascicle IV.3: Maintenance of International Sound-Programme and Television Transmission Circuits; Series N Recommendations
Handle ID:

11.1004/020.1000/4.259.43.en.1014
Red Book: Volume IV - Fascicle IV.4: Specifications for Measuring Equipment; Series O Recommendations
Handle ID:

11.1004/020.1000/4.259.43.en.1015
Red Book: Volume II - Fascicle II.4: Telephone Services; Operations and Quality of Service; Recommendations F.1-F.150
Handle ID:

11.1004/020.1000/4.259.43.en.1005
Red Book: Volume II - Fascicle II.5: Telematic Services; Operations and Quality of Service; Recommendations F.160-F.350
Handle ID:

11.1004/020.1000/4.259.43.en.1006
Red Book: Volume III - Fascicle III.1: General Characteristics of International Telephone Connections and Circuits; Recommendations G.101-G.181
Handle ID:

11.1004/020.1000/4.259.43.en.1007
Red Book: Volume III - Fascicle III.2: International Analogue Carrier Systems; Transmission Media - Characteristics; Recommendations G.211-G.652
Handle ID:

11.1004/020.1000/4.259.43.en.1008
Records 5,841 to 5,850 of 8,876