FeaturesConference and Tandem Calls20 Strata DK Standard Telephone 5/00Step 2: (Optional) Add More Callers to a Conference or Tandem Call...or, if the calledstation is busy, youcan flash thehookswitch to returnto the existing call.Note If a called external number is busy, you must hangup and re-initiate the call.5. If you are ringing aninternal party, flashthe hookswitch afterthe party answers...or if you are ringingan outside line, youcan flash thehookswitch before orafter the partyanswers.All parties are conferenced.If only your telephone is connected with two parties onexternal CO lines, you can exit the conference byhookflashing again before you hang up. (See “(Optional)Add More Callers to a Conference or Tandem Call” onPage 20.) The external lines remain connected.While a conference is being set up, all outside parties areheld separately and cannot converse with each other.➤ For Conference calls:repeat substeps 1~4 ofStep 1: “Make aConference Call orTandem Two COLines” to add anotherparty to theconference.If one of the stations hangs up on a two-station/two COline conference call, the remaining station maintains theconference....or for Tandem calls:hookflash again andhang up.If only your telephone is connected with two parties onexternal CO lines, you can exit the call to allow the twoexternal parties to continue talking.