You shouldn't charge your clients to speak with you. Purchase an 1800 toll-free number for your company and make it simple for customers to contact you.
An 1800 prefix phone number is referred to as a toll-free number and is used by businesses in India. Customers are not charged for calls to businesses on this number. Instead of the caller, the business is responsible for covering all call-related costs. This makes it a simple channel for communication.
A toll-free number must meet a few criteria to be considered unique.