this post was submitted on 22 Jul 2026
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Hi!

I'm looking to replace my family's landline phone with a VoIP based hardphone. From my research it seems that I'd need a SIP server and a SIP Trunk provider. But I also happened to find Jami that has a SIP account feature.

  1. Could I make and recieve calls with Jami over the hardphone similar to a landline phone (minus the ability to call and recieve calls from normal phone numbers) with this setup (SIP server + Jami + hardphone)?
  2. Does anyone have experience setting up a similar system?
  3. Am I overcomplicating things and a used smartphone turned into a softphone would be a better choice?

I've just recently begun my selfhosting journey so I'm not very well versed in networking, but I am willing to put in the time and effort to learn. So any (constructive) feedback/guidance is greatly appreciated!

EDIT: The solution for me it seems is to just buy a used Android smartphone and connect it to a bluetooth handset. Thanks everyone :)

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[–] cmnybo@discuss.tchncs.de 2 points 1 day ago

A UPS can keep the modem and phone running for a couple of hours. If you have satellite internet, it will work for as long as you can power it. Cable or DSL will go out when the battery dies in the ISP's equipment.

Landlines have gotten a lot less reliable in a lot of areas because the phone companies don't want to maintain them. Mine would go out as soon as the power did when I cancelled it.