Scientia Iranica (Transaction F) aims to publish high quality standard papers at the forefront of Nanoscience and Nanotechnology and especially those of an interdisciplinary nature in the areas of structures, materials and devices with nanometer-scale.

Today, the method of communication by telephone is changing and for setting up the connections a technology is used which is called “Voice over Internet Protocol” (VoIP). VoIP is a method for converting the analog signals to digital data that is transferred through Internet and network ground.