FaceTime via cellular: Will it work, and can you afford it?

Matt Hamblen, Computerworld (US)
13 June, 2012
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Apple’s next-generation iOS will allow FaceTime video chats over cellular connections, Apple said Tuesday. Until now, FaceTime has only worked over Wi-Fi networks.

When iOS 6 launches this Spring, having a cellular connection for FaceTime will be a welcome change for many users who don’t have ready access to a Wi-Fi hotspot. But analysts question whether today’s 3G networks could offer sufficient bandwidth to handle the live video coupling or if 4G LTE being rolled out by the major carriers will be affordable when data plans are used to support FaceTime.

Apple’s FaceTime over cellular announcement “implies that 4G is coming in the iPhone 5,” said Enderle Group analyst Ron Enderle.

Without LTE, a 3G connection with an iPhone 4 or iPhone 4S could be frustrating for users, since even Wi-Fi connections over FaceTime aren’t always clear and sometimes don’t have synchronous voice and video streams.

Wi-Fi data rates over 802.11n max out at 450Mbps, according to Wi-Fi.org. Many more commonplace 802.11a or 802.11g Wi-Fi connections max out at 54Mbps, still faster than the 4G / LTE being introduced in Australia by Telstra with speeds between 2Mbps and 40Mbps.

Even if the connection is fast enough, a cellular connection for FaceTime could be prohibitively expensive, as some users have discovered when downloading video clips or movies.

“I’m sure FaceTime will work over cellular, but the question is how well?” said Gartner analyst Phillip Redman. Costs are harder to predict, he noted, unless a user has an unlimited data plan, like the one that Sprint offers, he added.

Having FaceTime over cellular “also doesn’t mean that people will never use Wi-Fi again,” Redman said. “I’d say the majority of use will still be on Wi-Fi.”

J. Gold Associates analyst Jack Gold, said FaceTime over cellular will “probably work…especially with LTE, although not very well with 2G or perhaps even 3G.”

Gold was more concerned about the expense of cellular video chats. “With the carriers going to rationed data plans, what will heavy users have when they get their bills at the end of the month?” Gold asked. “Video takes bandwidth, even if it is highly compressed and bandwidth is not free.”

Apple hasn’t defined how much bandwidth a typical video call will take, so “there is no good way to know what it will cost users,” Gold added.

FaceTime over cellular “certainly [won't work out] if it raises people’s bills” with carriers, Gold said.

Stories of exorbitant data usage bills for downloading video over a cellular connection are growing commonplace and carriers now offer tips and smartphone monitoring tools to guard against exceeding monthly data limits. They also send warnings to users when limits are exceeded.

Still, customers’ surprises could increase when FaceTime goes cellular.


One Comment

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  1. Brett says:

    When I travel for work I tether from iPhone to ipad to face time the kids at home… Works brilliantly and I don’t notice a drastic data usage increase.

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