Add Trunk Group Page 3 field descriptions

Field Setting
Send Name n
NCA-TSC Trunk Member 1
Send Calling Number y
Format pub-unk
Send Called/Busy/Connected Number y
NoteNote

The private setting is recommended. If the private setting does not work for your site, use public, unknown, or unk-pvt. You must use AAR or ARS digit conversion for path replacement to work.