There is an eBAY seller disposing of Audiocodes Mediapack 532 Analog VoIP Gateways.  Hardware supports up to 32 analog connections (DTMF and rotary) Auction: https://www.ebay.com/itm/156915212708/ Documentation Links: https://www.audiocodes.com/media/jqtp2vqj/mediapack-524-532-hardware-install... https://www.audiocodes.com/media/5oqem5ch/mediapack-5xx-mp-5xx-series-analog... There are break-out panels at https://www.ebay.com/itm/256608110823 as well.