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Master Geek
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Topic # 80786 4-Apr-2011 19:11
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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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  Reply # 455237 4-Apr-2011 19:27
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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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Ultimate Geek
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  Reply # 455238 4-Apr-2011 19:29
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From memory VF don't use it. 2degrees definitely does.




Huawei Mate 7, on 2degrees

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  Reply # 455239 4-Apr-2011 19:30
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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
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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

BDFL - Memuneh
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  Reply # 455244 4-Apr-2011 19:37
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Master Geek
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  Reply # 455263 4-Apr-2011 20:00
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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



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Master Geek
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  Reply # 455265 4-Apr-2011 20:03
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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
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  Reply # 455362 4-Apr-2011 23:34
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richms: All bar vodafone do it. Why they dont is a mystery.


Cost.

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  Reply # 455394 5-Apr-2011 08:37
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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
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Globally very few networks have NITZ enabled. Those that do are typically new builds.

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Ultimate Geek
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  Reply # 455398 5-Apr-2011 08:57
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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 # 455406 5-Apr-2011 09:11
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The phone is nokia 6121c with carrier with Network  operator set to auto update time.

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