GSM Mobile Networks - Quality of Service Survey - SMS - Short Message Service Listen with ReadSpeaker Receive news from ANACOM without having to connect to the website Print Veja esta página em Português Share: Email Published on 06.06.2005 HTML version https://www.anacom.pt/render.jsp?categoryId=179162 Information on: May 2005 to Jun 2005 Executive summary Technical aspects Results Appendix