email marketing, business marketing,
website marketing, direct marketing

Example - list your number as LOCAL free phone advice for people to get most wanted professions that can be learnt in 4 years.
When somebody call you, he should leave his details to get the information.
Later you can sell your list of people to local colleges, courses, universities as people who haven’t decided yet where […]

You list your phone number as catering service.
1. When people are calling, you tell them your price list and here it ends - they just called to compare your prices with all other catering services.
2. When people are calling, you tell them - “we are working according to your budget. Tell us more about your […]