Can 'cold calling' be used in a context other than the phone call?

[Cold Caller]

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #619 "Real Life: Business Jargon (4)", question 5

I didn't know so much of this sales job would revolve around ......... calling potential customers. I am good at talking to people -- in person -- but not over the phone. So far I haven't made one sale this way.

(a) hot
(b) blind
(c) cold
(d) hurricane

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #619 "Real Life: Business Jargon (4)", answer 5

I didn't know so much of this sales job would revolve around cold calling potential customers. I am good at talking to people -- in person -- but not over the phone. So far I haven't made one sale this way.

Correct answer: (c) cold

Your answer was: incorrect
I didn't know so much of this sales job would revolve around blind calling potential customers. I am good at talking to people -- in person -- but not over the phone. So far I haven't made one sale this way.
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Can 'cold calling' be used in a context other than the phone call?

Can I say 'cold talking to someone' instead of talking in person?

Cold Caller

[Kitosdad]

No, you can't.

Yes, cold calling can be done by knocking on the door of people, without a prior appointment.
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