2D Mobile network issues today

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mobiusnz

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Ultimate Geek

#309329 9-Oct-2023 11:43

Out of the blue today my mobile (iphone 12 mini - Ios 17.3) seems to be having issues - I suspect its 2D's end - I've rebooted the phone completely. Signal strength is 4 bar and I never have any issues sitting at the same desk.

Just wondering if anyone else has had quirkiness today?

I've had people attempt to ring me and go direct to voicemail but I've had other calls come through from mobiles.

Whenever I call out I'm getting a massive period of silence before I start getting a ring sound. We're talking over 20 seconds of silence but then it'll begin ringing.

I'm on hold to them now as the Network Status page doesn't indicate any faults or maintenance scheduled in my area.

If it is my phone doing something I'm going to need to act but I can't really see what I'm seeing being a device issue?

Matt Beechey

Mobius Network Solutions

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#3144544 9-Oct-2023 12:15

@mobiusnz Can you please let others know your location?

2d have 1800+ sites over New Zealand

Lots of planned work also if you check out the mobile status page!

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Linux

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#3144547 9-Oct-2023 12:18

https://www.2degrees.nz/network-status

Edit: It will not be a handset issue try move to another location that you know your handset will be on another serving site and test again

mobiusnz

443 posts

Ultimate Geek

#3144555 9-Oct-2023 12:42

Linux: Can you please let us know your location?

2d have 1800+ sites over New Zealand

Sorry - Christchurch - Just got off the phone with them - Weirdly Redirect if Busy was on which it shouldn't have been and she's turned that off but I'm still seeing 20 to 30 seconds of silence making calls out before I get a connection.

Just about to go for a drive so I'll give it a test when at my destination on a different tower just in case there is an issue with the tower but the 2D person didn't think so after her time spent talking to their engineer.

If it continues I'll get the sim into another device and see how it goes - Maybe the IOS 17 update has introduced an issue. Might have to look at some resets on the device.

Matt Beechey

Mobius Network Solutions

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#3144563 9-Oct-2023 13:15

It is not related to the iOS 17.x update

mobiusnz

443 posts

Ultimate Geek

#3144571 9-Oct-2023 13:45

Linux: It is not related to the iOS 17.x update

Well - I went for a drive about 5km away as the crow flies. After I finished I made some calls from the carpark and all calls went through almost instantaneously.

Now I'm back in the office and I've tried 0800225598 which is one of those that went through instantly while away and its back to 25 seconds of silence before connecting.

My money is on a fault with the cell site I'm on that hasn't really been raised as people making less calls than I do would probably just put it down to "one of those things".

I've just tried dialling one of my suppliers land line numbers and same thing - 20 second delay before its at their opening menu in their VOIP platform.

I might ring 2D back and report it so the engineers can investigate further - Its a real PITA for me though as its my office and whilst I don't like talking to clients its somewhat essential to making a living and calls coming in has been a little hit and miss to.

I imagine I'd be on the Sydenham 2D tower but there's one at the bottom of moorhouse Avenue that might have better line of sight to me and is only 100m or less further away.

Matt Beechey

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#3144593 9-Oct-2023 14:51

I am sure the NOC will pick up on the issue before a fault ticket gets to the correct team in 2degrees

mobiusnz

443 posts

Ultimate Geek

#3144598 9-Oct-2023 14:59

Linux: I am sure the NOC will pick up on the issue before a fault ticket gets to the correct team in 2degrees

I'm pretty confident the issue was occurring here friday late afternoon early evening but when you make one or two calls and its laggy you just put it down as a network issue somewhere and move on. Its only when still happening today I thought more of it. Unfortunately I think I only made one phone call all weekend so hard to say for sure. I'll do a bit more spot checking tonight and see if calls are always instantaneous at home and if its still doing anything funny here in the morning I'll call again and see if I can convince the person I talk to to escalate things. My second call today she wanted time stamps for at least 3 calls - I'd only tried 2 and when I tried a 3rd time it worked. Its been hit and miss since.

Matt Beechey

Mobius Network Solutions

Skavin

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Wannabe Geek

2degrees

#3144685 9-Oct-2023 19:55

Hi can you message me your physical address. I have someone in the RAN (Radio) team asking.

mobiusnz

443 posts

Ultimate Geek

#3144686 9-Oct-2023 20:00

Waltham road in Christchurch. Multiple issues today while in the office and I’d miss calls that went direct to voice mail. Drive halfway down Morehouse avenue and rang the client who’d twice been able to get me and the call rang instantly. She’d txt me in the office (actually iMessage via wifi) and I’d ring her back, first attempt it sat for 30 seconds and then said call failed, 2nd attempt and it rang after 25 seconds of silence. Rang her down the road and it was instant. Im convinced it’s either a glitch in the cell site (probably the Sydenham tower) or someone’s put in a dodgy repeater near me. I doubt the latter as there’s no need as we have such good coverage.

Matt Beechey

Mobius Network Solutions

mobiusnz

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Ultimate Geek

#3144827 10-Oct-2023 10:16

Just to add to this - Last night I made multiple calls to landline numbers and mobile for testing and they all worked immediately.

This morning at home I repeated this - All ok.

Got to the Office and I have instant issues with the massive delays back and people not reaching me.

I'm going to go 100M up the road incase its someone with equipment in my building causing issues - I'll see how far away I have to drive for things to return to normal.

There is definitely something location based here - So either rogue equipment like a repeater or there is an issue with the local Radio/Antenna/Cell Tower.

Matt Beechey

Mobius Network Solutions

mobiusnz

443 posts

Ultimate Geek

#3144920 10-Oct-2023 12:37

And Bang - Just like that it looks like after 5 days (Although I wasn't here for the weekend) the problem has suddenly in the last hour gone away completely after finding I only had to go 80M up the street and it worked perfectly.

I have had some long conversations with 2D and some outside discussing it so my "gut" is that whatever was turned on causing issue has been turned off.

Now to wait and see if the issue returns.

At least I now know I can safely use Wifi calling at the Office - I didn't realise if it was on then Wifi took precedence - I've had the odd issue with it so have turned it off but I might have to have it on when in the office and off elsewhere if the issue comes back.

I might have to investigate the Diag mode on the iphone and see what it reports - From memory it doesn't show nice things like the cell you are connected to but if the issue returns I'll give it a go. I'll flick it on now and record readings to compare if it stops again.

Matt Beechey

Mobius Network Solutions

mobiusnz

443 posts

Ultimate Geek

#3144925 10-Oct-2023 12:49

And just talking to my wife - Call dropped - The massive lag before calls will go through it back.

I think someone near me is buggering around with a repeater or Femtocell type device. Either that or the police are trying to monitor someones phone in the area ;)

Its doing my head in but we'll see if Wifi Calling helps.

Matt Beechey

Mobius Network Solutions

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#3144931 10-Oct-2023 13:09

WiFi calling will 100% help as the call is not going over the mobile network

mobiusnz

443 posts

Ultimate Geek

#3144933 10-Oct-2023 13:19

Linux: WiFi calling will 100% help as the call is not going over the mobile network

I wasn't sure if it was an Always use if on feature or a use if network is weak or non-functioning. Knowing it becomes priority when Wifi is available is good to know.

That would explain past issues with it - When I've been on a Wifi network that is dreadful, eg an old slow rural connection it must still try hard to use that instead of switching back.

I'll just have to toggle it off and on from time to time while I see if this problem can be resolved.

Matt Beechey

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#3144935 10-Oct-2023 13:27

When WiFi calling is enabled and the handset is attached to WiFi the calls / SMS will always use WiFi

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