urouster9 years ago000Does this, as it is, fit Avaya 9611G desk phones?Show in original language (German)physiodeleur8 years ago • purchased this product000purchased this productCan several headsets be connected to the base? For example, one base and 4 headsets. But only one headset must be active at a time?Show in original language (German)CommentQuentin Aellen9 years ago000Hello No, unfortunately not without further ado, you also need this cable: Plantronics APV-63 EHS adapter cable (Avaya) Kind regardsShow in original language (German)Comment