Conferencing with the SDW 5016 headset is a little complicated. You have a bunch of conferencing options:. The pictures in this article show 4 ways to do it: A) shows you that you can merge all 3 modes to connect the audio of 3 callers into 1 conference call. B) shows you that you can conference an additional Sennheiser USB corded headset or Bluetooth headset by either using the USB port or the Bluetooth dongle on the Sennheiser base. C) shows that you can conference 3 additional SDW headsets to the same base, for a grand total of 4 people linked together. WOW! D) shows that you can hook a Sennheiser speakerphone into the USB port of the headset base to conference call that way. You are not able to conference other Sennheiser headsets with this headset! They don’t fit into the base to link up. Bummer. BUT if you’d like to conference these headsets you can always use a Wireless Y Adpator and link both bases together that way. To conference a 2nd SDW mic on the same base 1) Hold down th…