1424_EN_LZT103088 Rev B1 2009-05-20 © Copyright Aastra Telecom Sweden, 2009.All rights reserved. 821. Press #001# and press .Wait for the call timer to start in the display.Note: North America, press #0#..2. Press to finish the procedure.16.3 Night ServiceWhen the exchange is in Night Service mode, all incoming calls to theoperator are transferred to a selected extension or group of extensions.The exchange is equipped with the following three different Night Servicemodes:Common Night Service All incoming calls to the operator aretransferred to one specific extension. Answerthe call in the normal way.Individual Night Service Selected external calls to the operator aretransferred to one specific extension. Answerthe call in the normal way.Universal Night Service All incoming calls to the operator aretransferred to a universal signaling device, forexample the common bell. Answer the call asdescribed in Section 15.2.16.4 Emergency ModeIn the event of an emergency, the operator can set the exchange intoEmergency mode, during which only pre-programmed extensions arepermitted to make calls. If your extension is not assigned with this categoryand you try to make a call, you will not receive a dial tone.16.5 Malicious Call TracingIf being disturbed by bothersome or malicious external incoming calls, it ispossible to request number tracing from the network provider. Tracing canbe invoked during or after an ongoing conversation. The external line canbe held for a limited period of time.16.5.1 OrderTo order call tracing during an ongoing conversation, do the following:1. Press R.Wait for dial tone.
