door-to-door sales; cold calling
Refers to unsolicited sales visits or calls, typically without prior appointment. Covers both in-person door-to-door sales and telephone cold calling.
Cold calling often gets rejected, but some people still get results.
The new hires were told to start with door-to-door sales first.
テレアポ is specifically telephone-based appointment setting, while 飛び込み営業 includes both in-person and phone cold approaches without appointments.
訪問販売 is a broader term for any door-to-door selling, which may include scheduled visits, whereas 飛び込み営業 emphasizes the unsolicited, unannounced nature.
Compound of 飛び込み (jumping in, unannounced visit) and 営業 (business, sales). The term reflects the practice of making sales calls without prior notice.