The DMQ-2 is a double muff beltpack/headset combination
DMQ-2 (current)
That means that the beltpack is wired to the headset.
There is no Call Light feature in the Cue-Com system.
Please contact our Sales Department if there are any questions or if your model is not listed above
Please contact our Sales Department for alternative product packages
http://www.clearcom.com/product/partyline/que-com