AASTRA 4223 Professional for BusinessPhone User Guide - Manual (Page 87)

87 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.
12 May 10:35 +15°
01811004736 FREE
save
12 May 10:35 +15°
01811005446 SPEECH
save cost-on
12 May 10:35 +15°
DISPLAY RESTRICTED SPEECH
save cost-on