Using correct preposition for the word "courtesy call&

[Anonymous]

Which is the correct between the two:

Courtesy call TO

or

Courtesy call ON ???

Thank you for your help.

[Casiopea]

Which is the correct between the two:

Courtesy call TO

or

Courtesy call ON ???

Thank you for your help.

What's the sentence? :D

[Tdol]

It depends whether you are visiting or phoning.

[Casiopea]

Which is the correct between the two:

Courtesy call TO

or

Courtesy call ON ???

Thank you for your help.

There's a courtesy call for a Max on line 1.
There's a courtesy call on line 1.

:D

[Tdol]

For a visit 'on'seems common:
http://thetis.bl.uk/cgi-bin/saraWeb?...ourtesy%20call