#Facility Message type 2.1 F 1 Message compatibility information 3.33 O 3-? Parameter compatibility information 3.41 O 4-? Remote operations (national use) 3.48 O 8-? Service activation 3.49 O 3-? Call transfer number (Note) 3.64 O 4-? Access transport 3.3 O 3-? Generic notification indicator 3.25 O 3 Redirection number 3.46 O 5-? Pivot routing indicators 3.85 O 3 Pivot status (national use) 3.92 O 3 Pivot counter 3.93 O 3 Pivot routing backward information 3.95 O 3-? Redirect status (national use) 3.98 O 3 End of optional parameters 3.20 O 1