AT&T’s recent decision to allow iPhone-based internet voice applications (VoIP) on its network begs the question, can the network handle it? In September, the New York Times reported that the increase in data usage related to the iPhone 3GS release has severely impacted AT&T’s service. Customers complain of “dropped calls, spotty service, delayed text and voice messages and glacial download speeds as AT&Tâ€™s cellular network strains to meet the demand.” At the same time, AT&T has yet to support tethering on the iPhone as it performs “fine tuning to our systems and networks so that we do deliver a great experience” (Ironically, AT&T does support tethering, or using one’s phone to access the internet by computer, on other devices, for $60 per month). Considering that AT&T also recently began supporting picture messaging (MMS) on the iPhone, how will AT&T’s network respond to the added stress of voice applications?
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