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The original was posted on /r/selfhosted by /u/cat2devnull on 2024-11-16 23:02:46+00:00.

So my cell carrier finally retired an awesome plan that I had been on for years which was costing AUD $12/month and with respects to my usage patterns was effectively unlimited. Now the cheapest plan is over double. That got me thinking about how in reality I hardly use my mobile (as a telephone) since it is basically just a portable mini computer.

I already have a free SIP phone service bundled with my ISP internet connection.

As I see it, there are a couple of issues;

Handset: I already own my handset outright and can easily get a cheep data only SIM for when I am not in WiFi range.

Calls: Would need to run a SIP handset/PBX that connects to my ISP SIP server. I have Bria on my phone currently and have found that works well.

Voicemail: Would probably need a SIP PBX function on one or more of my servers for this.

Messaging: WhatsApp, iMessage, SMS - Do any of these work without a mobile number to be tied back to…

Redundancy: I have two physical sites with linux servers on different ISP links so redundancy shouldn’t be an issue if I can run software in a docker or the like.

Random Services: Seem that most things today have to be registered against a mobile number. I expect many things will break.

I respect that this is pretty crazy, but there is a part of me that REALLY wants to not have a mobile number. So has anyone moved to a mobile free lifestyle and what’s involved?