Will I get a sales pitch on the call?
No. The 15-minute call is scoping — what you're trying to do, whether I can help, and if so which engagement shape fits. If the answer is 'no fit', I'll tell you and point you somewhere better.
The shortest path to knowing whether I can help is a brief call. Pick a time, fill the short pre-call form, show up. If it's not a fit I'll tell you and point you somewhere better.