Making Calls15Step by StepTalking to Your Colleague With aSpeaker CallYou can make a loudspeaker announcement through a loudspeakerif connected (ask the service personnel), or to an internal user with asystem telephone without any action on their part.n Lift the handset.Enter the code.o w Enter the station number.Talking to Your Colleague with Discreet CallingIf this function has been configured (ask your service personnel), youcan join an ongoing call conducted by an internal user at a systemtelephone with display. You can listen in unnoticed and speak to theinternal user without being overheard by the other party (discreetcalling).n Lift the handset.Enter the code.o Enter your internal station number.Activating Tone Dialing(DTMF Suffix Dialing)You can transmit dual-tone multifrequency (DTMF ) signals to controldevices such as an answering machine or automatic information sys-tem.s You have set up a connection.Enter the code.o You can use the keys "0" through "9", " *", and "#" to transmit DTMFsignals.Your service personnel can protect your telephone againstdiscreet calling.Ending the call also deactivates DTMF suffix-dialing.Your system may be configured so that you can start DTMFsuffix-dialing immediately after setting up a connection.
