BusinessPhone – Dialog 4223 Professional / Dialog 3213
ISDN Facilities

## Make an external call on an ISDN-line

Establish an external call in the normal way.

If the called party is also connected to a digital trunk line, your public number is shown on the called party’s display.

If the connected party number differs from the dialled one (for example: Diversion or Pick-up from another extension), your display shows the new number.

Example:

Called Party number 0 181100 Extension 4736

The desired extension 4736 will be answered by extension 5446.

When the connected party has activated Number Secrecy (number suppression), your display shows the following information.

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