I recently got a Yealink T42S IP phone to play around with.
To get that question out of the way first, “why”? Because it’s fun to have a proper phone on my desk.

Right now, I have a few PBXes configured on it, in two categories.
Proper PBXes where I get a proper phone number:
- Callcentric, which you can reach me at +1 (438) 500-2694 from; offers really cheap DIDs through a promotion, though the numbers are North American
- VoIP.ms, which you can reach me at +358942459241; offers really low costs in general, DID is a bit more expensive, but has free inbound for residential (I also have a referral code if you’re interested)
Now, most of the PBXes I’m on are hobby projects, those that aren’t routed publicly, but free to join:
- HamPY, which is a network running for radio hams in Finland; you can reach me via 17228
- Hams Over IP, which is a more global network for radio hams; you can reach me via 200564, my callsign or DMR ID
- LiteNet, which is a hobbyist community project; you can reach me via 1059
- Another private one by a friend, my extension is 1911, but I doubt any of you is on it
Configuring the phone is generally really easy, it has a web interface from which you can enter all the info (also don’t forget to turn on IPv6!).

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