http://www.infoworld.com/article/06...LC-TB2006-03-13
"Internet telephony over mobile phones is on the way but don't expect many commercial offerings until operators have made a key network technology enhancement, probably toward the end of 2007 or later in most parts of the world, according to a senior executive with Lucent Technologies Inc. The problem with providing VOIP (voice over Internet Protocol) service over mobile handsets today is the uplink, which is too slow to support quality voice calls, according to Lucent Chief Marketing Officer John Giere. To increase uplink speeds, operators of GSM (Global System for Mobile Communications) networks, which dominate Europe and many parts of Asia and Latin America, will need to upgrade their networks with HSUPA (High Speed Uplink Packet Access) technology, he said. "HSUPA will give operators the bidirectional capability they need to run real VOIP," Giere said in an interview last week at the Cebit trade show in Hanover, Germany."
If you're interested in VoIP, this article helps to outline what's holding us back from getting good quality VoIP on your mobile handset. It looks like the carriers have a lot of work to do. Thankfully, some of us have WiFi and don't need to wait for the carriers to play catch up.
Source: Edgar_
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