Help > Using the web interface > Functions > Call Through > Exchange line settings
Exchange line settings
PIN for Call Through
Freely selectable PIN. Helps to identify the transferred phone number as well as the permitted Call Through user.
*Note: To change the existing PIN, click on Edit PIN. After you have entered your PIN or password, click on Hide PIN.
*Further help under Access authorisations
Max. duration of external conversations
Specifies after how many minutes an external Call Through call is ended by the PBX, due to security reasons.
*Further help under Call Through
Prevention of emergency calls
Emergency calls cannot be made. The Call Through user hears a corresponding announcement.
This function is useful as the emergency call is issued at the location of the PBX and not at the location of the Call Through user.
*Further help under Emergency calls
Exchange line routing (outgoing)
Defines by selecting a rule under which conditions exchange line calls are performed.
*Further help under Exchange line routing
Phone numbers for Call Through
External phone numbers, that the Call Through user must dial to call the PBX for Call Through. This is determined in the exchange line routing.
*Further help under Exchange line routing