Calidad servicio calidad func. red 2004
Calidad de servicio y calidad de funcionamiento de la red (2004)
Preservation wooden poles 2009
Preservation of Wooden Poles Carrying Overhead Telecommunication Lines (2009)
Optical Transport Networks TDM, 2010
Optical Transport Networks from TDM to Packet (2010)
Test chart No. 4 1994 - High Quality
Test Chart No. 4: Black and white facsimile test chart BW01 - (ITU-T Recommendation T.22) ((03/93))
(C)Preservation wooden poles 2009
Preservation of Wooden Poles Carrying Overhead Telecommunication Lines (2009)
Operational Bulletin No. 706 (15.XII.199
Operational Bulletin No. 706 (15.XII.1999) (15.12.1999)
Operational Bulletin No. 712 (15.III.200
Operational Bulletin No. 712 (15.III.2000) (15.03.2000)
Operational Bulletin No. 679 (1.XI.1998)
Operational Bulletin No. 679 (1.XI.1998) and Annexed List: List of Dialling Procedures (01.11.1998)
Operational Bulletin No. 704 (15.XI.1999
Operational Bulletin No. 704 (15.XI.1999) (15.11.1999)
Converging networks (2010)
Converging networks (2010)
Quality of service and network performan
Quality of service and network performance (2004)
Test chart No 5 1994 High quality
Test Chart No. 5: Continuous tone facsimile test chart CT01 (ITU-T Recommendation T.22) ((03/93))
