The following conventions are used for the service description tables shown in this part of the Standard.
(=) The same parameter value used in the indication or confirmation shall be the same as used in the request or response respectively.
C Conditional (on User Option)
M Mandatory usage
MF Mandatory with a fixed value
NU Not Used
P Provider Initiated
U User Option
UF User Option with a fixed value
Blank entries are not applicable.