- 10 -Feature overviewNortel Communication Server 1000IP Softphone 3456 User GuideNN43080-100 01.026.0 12 June 2009Copyright © 2009 Nortel NetworksMaking a callCalls can be made from the IP Softphone 3456 in a number of different ways.Users can make calls by double-clicking on any name in the contact list, bytyping a number in using the keyboard and pressing Enter, or by opening the