10.42.14.3. User Identification Display on Digite 
When a PIN user
activates his/her PIN at a foreign station, the telephone display shows
'IDENTIFICATION stno' as a positive acknowledgement. The
'stno' output is a variable, defined by the user's home
station number. The length of this display can be set to 'permanent'
or 'timed' (default value 5 seconds).
- Timed identification display
CHA-PERSI:TYPE=COPIN,COPIN=number,DISPID=TIMEDISP;
- Permanent identification display
CHA-PERSI:TYPE=COPIN,COPIN=number,DISPID=PERMDISP;