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Looks like TELUS is starting up their 4G network, the next step towards LTE.

Canadians will enjoy even faster mobile internet access speeds this March with TELUS' launch of a new Dual Cell upgrade to HSPA+ (DC-HSPA+). This new network capability supports extremely fast manufacturer's rated peak download speeds of up to 42 megabits per second (Mbps) and upload speeds of up to 11 Mbps1. TELUS' HSPA+ network is now a fourth generation (4G) network according to current International Telecommunications Union (ITU) standards2, and this latest innovation will ensure that TELUS continues to bring the latest in mobile technologies to Canadians.

The first device to take full advantage of this new Dual Cell capability will be the Sierra Wireless AirCard 319U 4G Internet Key, available to TELUS customers in March on Canada's fastest coast-to-coast mobile network3.
 

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I wonder if Telus will be providing IPv6. With 4G phones, voice over IP will be used instead of GSM etc. In order for VoIP to work properly, you need end to end IP that's not blocked by NAT etc. Otherwise, they'll need a gateway to handle call connections from their local network to the rest of the world. This will require hardware with sufficent resources to handle all the calls and will also add latency. Since there are clearly not enough IPv4 addresses availalble, IPv6 has to be used.
 

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Probably not yet. These are still using HSPA technology (not LTE) so Telus probably can get away using a NAT-ed connection for now.
 

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It's not the RF technology that prevents IPv6. 4G phone calls are supposed to be VoIP and IPv6 can work just as well over HSPA as LTE or 4G. If you're running a test, you might as well bring it as close to the final network as possible.
 

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I thought LTE was a step towards 4G.
It is, at what is often stated as 3.9G. Despite TELUS quoting ITU standards, their recent announcement is not about 4G compliant phones or networks. What the standard actually states is that certain 3G standards can be referred to as 4G IF they are:

Quote from ITU release:
"..the term 4G is designated for LTE-Advanced and WirelessMAN-Advanced, although "it is recognized that this term, while undefined, may also be applied to the forerunners of these technologies, LTE and WiMax, and to other evolved 3G technologies providing a substantial level of improvement in performance and capabilities with respect to the initial third-generation systems now deployed."

So, it is a standards body caving to the marketeers to allow 3G to be called 4G even though the technology deployed has nothing at all to do with the standards that are part of the ITU 4G project. Question is will the ITU cave again and allow LTE and LTE-A to be called 5G and 6G when the time comes or remain at 4G as even the Telus material shows at this time?
 
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