the exposure to electromagnetic field emitted by mobile telephones is increasing rapidly worldwide that causes side effects, including thermal and non thermal side effects. ear proximity to electromagnetic source may lead to greater damage and side effects, including hearing loss. this study was performed to assess the chronic effect of exposure to electromagnetic field of mobile telephones on ...

Several studies have demonstrated that telephone use presents a challenge for most cochlear implant (CI) users, and this is attributed mainly to the narrow bandwidth (300-3400 Hz) introduced by the telephone network. The present study focuses on answering the question whether telephone speech recognition in noise can be improved by introducing, prior to vocoder processing, low-frequency harmoni...

Globalization is understood as one of the most significant historical trends motivated by technological innovation. The technique telecommunication definitely with that To study relationship how has an impact on progress globalization, this article provides a picture their development, combined synthesis applying theory cultural determinism. A factors analysis social needs constructed for furth...

one of the most important challenges for researchers is deciding on how to collect their data. there are various views on using telephone interviews. conducting telephone interviews on women of 40 years old and older in isfahan about mammography screening behavior showed that it could be an appropriate method for data collection when there is a combination of effective communication process and...

The seventh CCIlT (Consultive Committee of International Telephone and Telegraph), Plenary Assembly has defined ISDN (Integrated Services Digital Network) as a evolution from the existin telephone network that provides end to end digita f connectivity. Wide range of services are antici ated. Both voice and non-voice services will be o /' fered. The network users will have access to these servic...

The public switched telephone network (PSTN) is evolving from a closed network made up of specialized equipment into an open network employing many of the same components and protocols that are used in the Internet. The security vulnerabilities of the Internet are well known. The possible introduction of these vulnerabilities into the PSTN provides opportunities—for hackers to exploit the vulne...

The primary purpose of the tpc.int subdomain is to provide transparent mapping between general-purpose computers on the Internet and special-purpose devices directly connected to the telephone network. Initially, a remote printing service is defined [3,4] which ties together G3-compatible facsimile devices on the telephone network with users of electronic mail in the Internet and associated mes...