Panasonic DBS 824 VB-42451 CPC-M Processor (Refurbished)The CPC M provides a few enhanced software features for the DBS 824 system. The CPC M processor accommodates up to a "8x24" configuration. The card installs into the CPC slot of the DBS 824 cabinet. The CPC M provides all software features available on the CPC S, plus the following enhancements: 200 System Speed Dial Numbers 40 Personal Speed Dial Numbers Seperate Inputs for Musinc On Hold and Background Music Caller ID Compatibility API Interface