147 search results - page 19 / 30 » Voice over IP als Web Service |
DAGSTUHL
2003
13 years 11 months ago
2003
Abstract. Features provide extensions to a basic service, but in new systems users require much greater flexibility oriented towards their needs. Traditional features do not easil...
ECBS
2008
IEEE
13 years 10 months ago
2008
IEEE
Mobile payment has some unique advantages over more traditional payment methods in, for example, TV shopping and mobile multimedia services. Unfortunately, most existing mobile pa...
FIS
2008
13 years 11 months ago
2008
Today's economy is a service economy, and an increasing number of services is electronic, i.e. can be ordered and provisioned online. Examples include Internet access, email a...
ICC
2007
IEEE
14 years 4 months ago
2007
IEEE
—The first HSDPA (High-Speed Downlink Packet Access) networks have been recently deployed for operational use. We evaluate and compare live HSDPA operational network performance ...
CSFW
2007
IEEE
14 years 4 months ago
2007
IEEE
The transmission of voice communications as datagram packets over IP networks, commonly known as Voice-overIP (VoIP) telephony, is rapidly gaining wide acceptance. With private ph...