295Call Waiting/Internal Call WaitingContents This section contains information on the following topics:"Feature description" (page 295)"Operating parameters" (page 296)"Feature interactions" (page 297)"Feature packaging" (page 302)"Feature implementation" (page 302)"Feature operation" (page 303)Feature descriptionCall Waiting notifies a telephone user on an established call (internalor external) that an external call is waiting to be answered. Meridian 1proprietary telephones must have a Call Waiting key/lamp pair assignedand a Class of Service that allows a warning tone. Call Waiting is applicableto the Prime DN or any single appearance DN on the telephone. Whenan external call comes into a Meridian 1 proprietary telephone and thetelephone user is on a call, the Call Waiting lamp flashes and a buzz soundsthrough the telephone’s speaker.To use Call Waiting, analog (500/2500 type) telephones must have aClass of Service that allows Call Waiting and a warning tone. Two tonebursts are received through the handset to advise an analog (500/2500type) telephone user of a waiting call. Note that the two calls cannot beconferenced together.Nortel Communication Server 1000Features and Services Fundamentals — Book 2 of 6 (C)NN43001-106 02.04 StandardRelease 5.5 9 May 2008Copyright © 1994–2008, Nortel Networks.
