Frequently Asked Questions
Overview


Please first select a category and then take a look at the relevant questions. Click on the question to view the answer.

Show details for AccessoriesAccessories
Show details for Add-on devicesAdd-on devices
Show details for Computer telephonyComputer telephony
Hide details for ConnectingConnecting
Show details for ISDN telephonesISDN telephones
Show details for Spontaneous outside line seizureSpontaneous outside line seizure
Show details for System phonesSystem phones
Hide details for Transferring calls, analog telephoneTransferring calls, analog telephone
I cannot transfer calls with my analog telephone. Whenever I press the R key (Inquiry or Signal key) the call stays on my line or the call is disconnected.
Show details for Door phone unitDoor phone unit
Show details for FeaturesFeatures
Show details for GeneralGeneral
Show details for InstallationInstallation
Show details for ProgrammingProgramming
Show details for SoftwareSoftware
Show details for TerminalsTerminals
Show details for USBUSB

english Version
Home
Contact Find us German Imprint
Twitter Facebook

YouTube Chanel