GSM defines the following supplementary services that display the identity of the calling or the connected party:
Calling Line Identity Presentation (CLIP)
Calling Line Identity Restriction (CLIR)
Connected Line Identity Presentation (COLP)
Connected Line Identity Restriction (COLR)
Calling Name Presentation (CNAP)
The following code checks if the CNAP service is active that is if the name of the caller is shown.
The code assumes
There are no setter functions for the above described supplementary services. Contact the service provider to change the service activation.
GSM defines the following supplementary services that display +the identity of the calling or the connected party:
Calling Line Identity +Presentation (CLIP)
Calling Line Identity +Restriction (CLIR)
Connected Line Identity +Presentation (COLP)
Connected Line Identity +Restriction (COLR)
Calling Name Presentation +(CNAP)
The following code checks +if the CNAP service is active that is if the name of the caller is shown.
The
+code assumes
There are no setter functions for the above described supplementary +services. Contact the service provider to change the service activation.