This object indicates whether to accept and transfer
the Calling Party Subaddress Information Element from
the calling party to the called party. Calling party
subaddress information shall only be transferred to the
called party if calling party number delivery is
enabled (i.e., atmSigSupportClgPtyNumDel =
'enabled(1)'. The value of this object can be:
- enabled(1) This Information Element is transferred
to the called party
- disabled(2) This Information Element is NOT
transferred to the called party.