Features409System functions and features as of R3.0syd-0367/1.3 – R3.0 – 03.20139. 5. 7 Call transfer (switching)Users A and B are in a call. User B hands over the call with or without prior notice touser C.See also:For more information on the switching functions and the operator con-soles, see "Operator console", page 156.9. 5. 7. 1 Call transfer with prior noticeA user B can transfer a call with user A to user C after an enquiry call. In this transfertype user B waits for user C to answer (he gives notice of the call) before handingover the call.Fig. 197 Call transfer with prior noticeDetailed DescriptionTab. 198 Call transfer with prior noticeIf C and B hang up before the call transfer has been made, B will obtain 10 secondsof continuous ringing.Interface Operating sequence / signalling on the termi-nal ScopeA If A is on hold, he hears Music on hold Possible interfaces:internal, external1), PISN2)1) If both A and C are external users, the settings authorising exchange-to-exchange traffic will need to be ob-served (see "Exchange-to-Exchange Connections", page 241).2) The settings authorising exchange-to-exchange traffic need to be observed for PISN users in the public net-work or on a virtually networked PINX (see "Exchange-to-Exchange Connections", page 241).B If C hangs up during the enquiry call, B obtainsthe busy tone.C Internal call / external call3)3) Depending on the system setting, C will obtain either an internal or an external ringing tonePossible interfaces:internal, external1), PISN2)
