1.		Telephone network and ISDN : operation, numbering, routing and mobile service: recommendations E.100 - E.333 / International Telecommunication Union Data Publicação: 1989 Tema: Vária
2.		Attachments to the public switched telephone network (PSTN) : basic attachment requirements for modems standardized for use on the PSTN: NET 20 / European Conference of Postal and Telecommunications Administrations Data Publicação: 1992 Tema: Vária
3.		Attachments to the public switched telephone network (PSTN) : category II attachment requirements for 300 bits per second duplex modems standardized for use on the PSTN: NET 21 / European Conference of Postal and Telecommunications Administrations Data Publicação: 1992 Tema: Vária
4.		Attachments to the public switched telephone network (PSTN) : category II attachment requirements for 1200 bits per second duplex modems standardized for use on the PSTN: NET 22 / European Conference of Postal and Telecommunications Administrations Data Publicação: 1992 Tema: Vária
5.		Attachments to the public switched telephone network (PSTN) : category II attachment requirements for 2400 bits per second duplex modems standardized for use on the PSTN: NET 23 / European Conference of Postal and Telecommunications Administrations Data Publicação: 1992 Tema: Vária
6.		Attachments to the public switched telephone network (PSTN) : category II attachment requirements for 1200 bits per second half duplex and 1200/75 bits per second asymmetrical duplex modems standardized for use on the PSTN: NET 24 / European Conference of Postal and Telecommunications Administrations Data Publicação: 1992 Tema: Vária
7.		Approval requirements for data terminal equipment to connect to packet switched public data networks using CCITT recommendation X.25 (1984) interface : NET 2 / European Conference of Postal and Telecommunications Administrations Data Publicação: 1988 Tema: Vária
8.		ENV 41901 : June 1987 / European Commitee for Electrothecnical Standardization Data Publicação: 1987 Tema: Normas
9.		Specification for the quality of service survey of the cellular telephone networks / OFTEL - Office of Telecommunications Data Publicação: 1992 Tema: Comunicações Eletrónicas
10.		Mobile infrastructure sharing : maximising ROI and adopting technical solutions to minimise the costs of 3G networks: London, 19th-20th November 2001 / Organised by IBC (part of INFORMA Telecoms Group) Data Publicação: 2001 Tema: Comunicações Eletrónicas
11.		IP and the intelligent network : the road to convergence: comprehensive report / ed. IEC - International Engineering Consortium Data Publicação: 2001 Tema: Comunicações Eletrónicas