1.		Interworking with satellite mobile systems : recommendations Q.1100 - Q.1152 / International Telecommunication Union Data Publicação: 1989 Tema: Vária
2.		Public land mobile network : mobile application part and interfaces: recommendations Q.1051 - Q.1063 / International Telecommunication Union Data Publicação: 1989 Tema: Vária
3.		General tariff principles : charging and accounting in international telecommunication services: Series D recommendations / International Telecommunication Union Data Publicação: 1989 Tema: Vária
4.		Public land mobile network : interworking with ISDN PSTN: recommendations Q.1000 - Q.1032 / International Telecommunication Union Data Publicação: 1989 Tema: Vária
5.		Telegraph and mobile services operations and quality of service : recommendations F.1 - F.140 / International Telecommunication Union Data Publicação: 1989 Tema: Vária
6.		Telephone network and ISDN : operation, numbering, routing and mobile service: recommendations E.100 - E.333 / International Telecommunication Union Data Publicação: 1989 Tema: Vária