CPN (Calling Party Number)

From NENA Knowledge Base
Jump to navigation Jump to search

The term CPN is often used in reference to the call back number associated with a wireless telephone. The CPN may also be the MDN, MIN, a temporary call back number, a tracking number or ID number and may not support call back in all cases.

Also, a parameter within SS7 & MF signaling to designate the originating telephone number.  CPN is the ISUP parameter.