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1393 posts

Uber Geek

#11450 24-Jan-2007 07:46
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Has anyone else suffered this problem? It has followed me across 3 phones and 2 sim cards so I suspect it is not related to my hardware.
What happens is that I frequently miss calls, instead just receiving a message telling me I have a voice mail message waiting. Sometimes, the phone rings, but only twice before hanging up and diverting to voice mail.
People tell me that the phone rings their end about 6 times before diverting to voicemail. I tested it at home the other day, rang my cellphone from the landline 4 times. Twice the phone never rang and I was immediately diverted and twice  my landline fone rang 4 times before the cellphone started to ring.
This doesnt happen all the time but often enough to be annoying, probably around 25% of calls.
Vodafones response has been to re-boot my phone :-(

Any ideas?

 I'm supposed to respect my elders, but it's getting harder and harder for me to find one now.

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362 posts

Ultimate Geek


  #58693 24-Jan-2007 07:50
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Sorry, I like making calls to people and hanging up after 2 rings. I will stop now.

BDFL - Memuneh
68831 posts

Uber Geek

Lifetime subscriber

#58695 24-Jan-2007 08:13
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Seriously though, is this only when you are at home? It could be a bad reception area?



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29274 posts

Uber Geek

Biddle Corp
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  #58704 24-Jan-2007 09:54
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I've had this happen a few times recently as well but have had calls go straight to VM when my phone has been switched on, the issue sometimes occurs at home where my phone quite regularly jumps between 3G and GSM mode. I did test my theory once ringing my phone immediately as it dropped back to GSM and the call went to VM immediately. Ringing back 10 seconds later the phone rang. I've also had this happen at work under similair circumstances on a couple of occasions where I have walked into an area that I know drops my phone from 3G back to GSM and had SMS's come through advising of missed calls.

Is this the cause? I don't really know. Maybe others are experiencing a similair issue?

Vodafone used to have huge issues with this going back to 2002/2003 and denied the problem existed for around 9 months. Basically any GPRS capable device that connected to the GPRS network was then ramdomly stopped voice calls from coming through. Vodafone spent months denying the issue and then spent months promising to fix it but the good news was they did eventually track down the problem!

675 posts

Ultimate Geek


  #58715 24-Jan-2007 11:28

sbiddle's response is definitely a cause for this issue. In saying that though it shouldn't happen everytime your handset changes from UMTS to GSM. If you are on a phone call and you leave 3G coverage the call will still continue and the phone will revert to GSM (well, this should be the case)

If its specific to one area, it could be you are in bad/patchy/fringe reception so your phone is dropping in and out from the network. Call 777 and log a fault for this with the coverage team so they can investigate and use the information for future planning of new cell sites or re-calibrating existing ones.

If its random areas and not a constant fault then your phone could be 'sleeping'. This happens when phones are turned on for long periods of time and go in to an idle state. They will still show perfect coverage but the base station is sometimes unable to figure out if the phone is reachable or not (this is a huge cause for delayed txts). Your phone normally comes out of sleeping when you make a call or reboot it. I believe this is a phone and cell site issue (johnr? not to sure hehe)

I have this same issue a lot when driving over Auckland's Harbor bridge during handover between base stations, I'll get from one end of the bridge to the other and will receive a WhoCalled TXT.

Your best option is not to take the 'reboot your phone' response and to have a 777 operator escalate it either to technical support or to coverage teams.

Hope this helps

216 posts

Master Geek


  #58720 24-Jan-2007 12:46
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I have encountered this problem on numerous occasions,

my apache refuses to aknowledge calls from one of my friends 021 but his wifes and sons 021 works fine.

I can freshly reboot. prank call his phone, hang up,  and then when he calls back (anywhere from 10 seconds to and hour later has been tried) it goes straight to voicemail.

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1393 posts

Uber Geek

  #58776 24-Jan-2007 21:25
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Thanks for the replies.
It is not due to moving between connection areas, it happens at work where signal strength is high. I do however leave my phone on 24/7, should I turn it of each night?

 I'm supposed to respect my elders, but it's getting harder and harder for me to find one now.

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