Use of rotary phone on FreePBX

I have some pretty old rotary telephones that use the RJ11 connector type. After doing a little research, I see that the Cisco SPA112 converts POTS to VOIP. So just register the two lines on the Cisco SPA112 to the correct extensions, and have a pulsing to DTMF adapter sit between the SPA and the telephone right? Would there be any potential issues I’d need to work around before committing to buy these?

Unless you already have an SPA112, I recommend

which natively supports pulse dialing. It even supports pulse-to-tone conversion, so you can access remote IVRs, etc. from the rotary phone (unless you need to enter * or #).


Oh wow I’ll be getting that instead. Thanks

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