Security issues of typical Voice over Internet Protocol (VoIP) applications are studied in this paper; in particular, the open source Linphone application is being used as a case study.An experimental analysis indicates 30x24x24 wall cabinet that protecting signalling data with the TLS protocol, which unfortunately is not always the default option,
Variation in food stoichiometry affects individual performance and population dynamics, but it is also likely that species with different life histories should differ in their sensitivity to food stoichiometry.To address this question, we investigated the ability of the three nettle-feeding butterflies (Aglais urticae, Polygonia c-album, and Aglais
The trial was carried out during two years (2003 and 2004) on Cynosuretum cristati-type meadow in the hillymountainous region of Serbia (altitude 1158 m).The investigation included five nitrogen fertilizer rates (0, 40, 80, 120 and 160 kg ha-1 yr-1) and undersowing 30x24x24 wall cabinet with red clover and birdsfoot trefoil.Increase in nitrogen fer