On a slightly more practical note, if you want a rotary VoIP desk phone, there's a few models of Grandstream ATAs that understand pulse dialing. They can be registered to Asterisk as normal SIP clients. $20 for the ATA plus $20 for the phone, plus your time to do the software configuration.
In the 80's I had a Demon Dialer that stored a whole bunch of phone numbers and could automatically dial them with pulse or touch tone dialing, and switch between them for using alternative long distance services like Sprint, MCI, ITT, etc. Great for getting through to busy modems, radio contests, or just using as an electric phone book, etc.
Demon Dialer 176T (the high-end model that stores 176 numbers!)
>In the computer hacking scene of the 1980s, demon dialing was a technique by which a computer was used to repeatedly dial a number (usually to a crowded modem pool) in an attempt to gain access immediately after another user had hung up. The expansion of accessible internet service provider connectivity since that time has rendered the practice more or less obsolete.
>A similar technique was sometimes used to get the first call for prizes in radio "call-in" shows, thus leading to the adoption of random "fifth caller," "seventeenth caller" etc. by radio stations to circumvent this practice.
>The term "demon dialing" derives from the Demon Dialer product from Zoom Telephonics, Inc., a telephone device produced in the 1980s which repeatedly dialed busy telephone numbers under control of an extension phone.
>"Demon dialing" was popularized by the movie WarGames, which demonstrates the hacking technique (the technique eventually evolves into a technique called "phreaking"). After giving the program an area code and 3 digit prefix, the program then serially dialed every phone number in that prefix in order, recording which phone numbers were answered by a computer modem. Soon after, most likely because it was popularized by the movie, serial dialing was outlawed. Hackers got around this by simply randomizing the order the program dialed all the numbers. Later the terms "demon dialing" and "war dialing" became synonymous.
In the days of wired handsets with really long cables, you'd be surprised at what could happen to the handsets, and where people took telephone calls. (-:
You can answer it for incoming calls like a normal office voip phone, without the need to worry about limited battery life or paying for a live SIM card just to have a toy to play around with. For people who already have their own SIP based IP PBX the cost of adding another phone is zero.
For outbound calls if you encounter an IVR menu (press 1 for english, etc), the ATA will translate pulse dialing into DTMF tones. Functionality I think this example is lacking.
https://www.ebay.com/itm/Vintage-Black-Rotary-Phone-Telephon...