2

Here is a list of all the models I looked through … and there will not be many others, as it's a very small market. So far, nothing that meets the requirements: Mitel 5624. Technically what you want, but indeed around 500 USD. Rare as well, so not easily available in used condition (I checked eBay). This is reportedly sold under many whitelabeled versions, ...


2

Purism Librem 5 runs a custom distro developed by the company which made the phone, but you can run it on desktop as well, so I believe it qualifies. As a bonus, recently the open source GPU driver for that chip has reached performance parity with the closed source one, although I am not sure which one is used in the phone.


1

Take all the different adapters, switches, and mixers you have, and mount them on a platform. Have a local sheet metal shop make a unifying enclosure, probably power-coated, so all the cables are concealed, and every switch, knob. and button is on the same plane and level. That's what I've done when integrating similar multi-device analog interfaces, to keep ...


1

Great answer by tanius. I would also add that DECT phones are better suited to voice communications as DECT is a stream / connection based rather than packet based protocols built on top of WiFi. This allows for tighter control of the quality of service, codecs, power consumption etc. Mentioned FritzBox offers many access points / routers with DECT stack ...


1

Your question is about "kind of device", and for that the answer is any SIP phone. SIP is a protocol/standard and every service or device that comply with these standards are usually compatible. There are two types of SIP phones you can use. a SIP desk phone with an LCD display and all kind of physical keys for the options. a SIP ATA adapter, which lets ...


1

I finally found a product that does what I want, the OBi200. It's $50, and it's not a phone, you still need to buy a home phone separately and plug it into it. But you don't need to get a paid VOIP or SIP service at all. All you need is Google Voice, which is free. This solution allows you to make and receive unlimited domestic calls within the US for ...


Only top voted, non community-wiki answers of a minimum length are eligible