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Well, shock horror, it seems to be fixed now. Too long, too uncertain and not enought feedback along the way, but it does seem to be fixed. Strange coincidence – I had organised that if it weren't fixed by today they would call me to organise a PAC code so I could leave Vodafone (after just 2 weeks), and miraculously it's fixed. Obviously there's no causal relationship. It's just coincidence. But a strange one…
I understand that "incomplete port" has been blamed as a cause for this, but I'm stuck for seeing why. When I ring my voicemail, a computer answers and knows my CLID, which then it runs a program where the CLID lets it choose records from a database of messages. I'm assuming. I don't understand how an incomplete port can affect that. I would have assumed that the voicemail program is just plain buggy. Can you explain what it is I'm missing? I did once look into 4G and 5G backbone management software, but this is far from my area of expertise.
When you port your number, the outgoing network supplies a number of files to the new one. If any of these is missing, incomplete or corrupted, the relevant service can be affected, often in quite bizarre ways. I've seen similar things happen, which is why I was keen for the porting, rather than normal tech team, to be the ones looking at this.
If I was right, this is what's happened. If not, well, it's fixed anyway.
I have exactly the same problem. I have ported the number from another supplier (I was originally with Vodafone on a different contract but they couldn't port the nember internally apparently so I hade to go to different contract with a Pay As You Go provider, port the number over to them then get a PAC code & port the number back to Vodafone, quite a faff that takes almost a week to complete) now I can't set a pin for my voicemail, it just hangs up every time I choose the option to enter a pin code. I'd have thought they'd have fixed this error by now.
@lpagross I'm sorry to hear you've had this experience porting your number over to us on a new contract, I understand how time consuming and frustrating this must have been.
It's disappointing that you're now having difficulty setting up a PIN for your voicemail. Is this happening when you're calling 121 from your Vodafone mobile and choosing Option 4 then Option 2?
This happens when I choose option 4 then option 2, at which point it hung up. I have contacted customer support who tried several times to help, saying I would receive a text message, which I never received. At this stage I can't activate voicemail on my phone at all. When I choose option 1 "If you require connection to the Vodafone Voicemail service" it simpy says "Thank you, it has not been possible to connect you to the Vodafone Voicemail service." It's so furtstating because customer service say one thing but I experience another.
Sadly, this is the same miserable experience as I (and others) had. Given that there are clues to possible solutions in this thread, I recommend making sure that you tell them things you've read on their forum that have helped others with the same problem. It is apparently too much to be able to expect them to know their own job.
On the upside, once fixed, mine has been fine ever since.