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66 posts

Master Geek


Topic # 80786 4-Apr-2011 19:11 Send private message

Hi All,

I am interested to know which mobile operators in New Zealand support updating handset time/clocks via the network.

According to the Wikipedia page on NITZ (Network Identity and Time Zone), Telecom NZ support this, however no specific information is provided as to whether this is the CDMA network, the UMTS network, or both. Does anyone know if Vodafone or 2degrees support this on their GSM or UMTS networks?

Does anyone have any knowledge (including personal experience or observations) of the accuracy of the network time compared to other time sources, e.g. GPS or NTP?

The reason I ask is that my workmates and I have noticed the times we observe from my wristwatch (set from computer/NTP), my Android phone on Vodafone's network (which presumably uses network time or GPS time) and phones running on Telecom's UMTS network appear to vary by up to a few minutes.

Cheers,

Rene

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Joel Johnson
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  Reply # 455237 4-Apr-2011 19:27 Send private message

Ever since I've owned smart phones on VF, none of them have ever supported carrier time. If VF do have it then they aren't sharing it with me.

n4

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  Reply # 455238 4-Apr-2011 19:29 Send private message

From memory VF don't use it. 2degrees definitely does.




Sony Xperia Z2, on 2degrees

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  Reply # 455239 4-Apr-2011 19:30 Send private message

All bar vodafone do it. Why they dont is a mystery.




Richard rich.ms

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  Reply # 455241 4-Apr-2011 19:33 Send private message

Have a quick search for NITZ on geekzone, it has been discussed a few times before.

eg http://www.geekzone.co.nz/forums.asp?forumid=85&topicid=59375&page_no=1

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  Reply # 455244 4-Apr-2011 19:37 Send private message

Telecom New Zealand supports it (both CDMA and WCDMA), and 2degrees.







66 posts

Master Geek


  Reply # 455263 4-Apr-2011 20:00 Send private message

rscole86: Have a quick search for NITZ on geekzone, it has been discussed a few times before.

eg http://www.geekzone.co.nz/forums.asp?forumid=85&topicid=59375&page_no=1


Sorry to drag up an old topic, I obviously wasn't searching with the correct terminology



66 posts

Master Geek


  Reply # 455265 4-Apr-2011 20:03 Send private message

Ok, so we have established Vodafone do not support this, and Telecom and 2degrees do. Next question (and I hope this is not taking things too off-topic) is do handsets with GPS functionality use this to set the time as well as/rather than the mobile network or setting the time manually?

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  Reply # 455268 4-Apr-2011 20:06 Send private message

It depends on the software. If not you could always search for an app for that...





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  Reply # 455362 4-Apr-2011 23:34 Send private message

richms: All bar vodafone do it. Why they dont is a mystery.


Cost.




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  Reply # 455394 5-Apr-2011 08:37 Send private message

Could this seriously be prohibitively expensive for one of Vodafone Group's best performing (per head of capita) mobile networks? I'm sure if 2degrees are able to support it (while renting capacity from Vodafone and providing better rates) then Vodafone could pop something like this into action.

There has to be another reason.

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  Reply # 455397 5-Apr-2011 08:48 Send private message

Globally very few networks have NITZ enabled. Those that do are typically new builds.

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  Reply # 455398 5-Apr-2011 08:57 Send private message

This year I noticed that my 2 degrees mobile which was in Rotorua roaming on Vodafone updated the change in Daylight saving time where as last year IIRC it didn't so something appears to have changed.

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  Reply # 455400 5-Apr-2011 09:04 Send private message

This is an operating system function. what handset?




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  Reply # 455406 5-Apr-2011 09:11 Send private message

The phone is nokia 6121c with carrier with Network  operator set to auto update time.

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