10.49.5. Generation (Example) 
How to add the "Speaker Call - One Way" feature into the
system:
- How to configure the originating station to have access to the feature:
CHA-SDAT:STNO=7445,TYPE=ATTRIBUT,AATTR=SPKRCALL;
- Add the digits for dial access to the feature:
ADD-WABE:CD=*54,DAR=SPKRCALL;
- Add the feature key to a phone:
CHA-TAPRO:STNO=7445,KY04=SPKRCALL;