Features348 System functions and features as of R3.0syd-0367/1.3 – R3.0 – 03.20139 FeaturesAastra 400 provides a multitude of features that can be activated or operatedby the user. This Chapter contains a systematic description of all these fea-tures.9. 1 OverviewThe features described in this chapter are as follows:• Call Forwarding Unconditional functions: Call Forwarding Unconditional, Followme, Call Forwarding on No Reply, Twin Mode / Twin Comfort, Take, Do not dis-turb, Substitution.• Connections involving several users: Enquiry call, Brokering, Three-party confer-ence, Conference, Call transfer, Recall, Call acceptance• Added features: Features that simplify day-to-day phone communication, e.g.Call waiting, Leave message, Park call, Team functions.• Special features: Features that require a special application or hardware, such asvoice mail.The remote control of features and the possibilities available in the hospitality,alarm signalling and health sectors are described at the end of the Chapter.Tab. 138 The following features / functions do not form part of this chapter:Tip:Certain features depend on the software version of the communicationserver. For system terminals with a display this may look like the follow-ing:1. Access the configuration menu2. Long-click on the * keyDepending on the system phone, additional information is displayed.Feature / function Description / documentRouting functions Chapter "Routing elements", page 109 and chapter "Callrouting", page 177Identification and presentation functions Chapter "Identification elements", page 73Data-service functions Chapter "Data service", page 275Call logging Chapter "Call logging (CL)", page 287Device-specific functions of the system phones Operating Instructions