Internet Telephony in Ubiquitous Computing Environments

Nowadays VoIP plays an important role in communication, and more and more people use VoIP instead of traditional telephones because of low cost, accessibility and improved quality. However, one of disadvantages of VoIP is that users have to receive the Internet calls by headset and microphone, which are attached to a PC. This way restricts the users’ mobility and doesn’t meet the need of modern users. An innovative improvement would be to use some existing wireless technology to impart mobility to VoIP calls. We propose to use Bluetooth due to its widespread availability in already ubiquitous mobile phone market. Bluetooth is a short-range communication protocol intended to replace the cabl…