Command Communications ComSwitch 3.0 Shares Phone line between multiple devices

Command Communications 3-Port Phone/Fax Modem Line Sharing Device 3500

Command Communications 3-Port Phone/Fax Modem Line Sharing Device 3500 Brand New

Command Communications Com (CS5500) 4-Ports External Switch w/Instructions

Command Communications Com (CS5500) 4-Ports External Switch Not Tested!

Command Communications Com (CS3500) 4-Ports External Switch TESTED

Command Communications 3-Port Phone/Fax Modem Line Sharing Comewitch 3500 NOS