This report presents the results of the evaluation, conducted by ANACOM in July 2008, of the quality of SMS (short message service) and MMS (multimedia messaging service) services provided by the operators Sonaecom (Optimus), TMN and Vodafone Portugal.
- GSM/UMTS Mobile Communication Systems - Evaluation of the QoS of short messaging (SMS) and multimedia messaging (MMS) services - PDF version (subdivided) https://www.anacom.pt/render.jsp?categoryId=320936
