Section 14. A person owning, controlling or operating a telephone exchange or service in the commonwealth shall, on application and the tender of the charges or rental usual or customary for the class of service required, without discrimination for the same class of service rendered, furnish the applicant with the use of a telephone and telephone service and connection with his exchanges and the subscribers thereto, if the applicant secures the rights necessary to make the connections applied for and pays to the telephone company in advance an amount sufficient to cover the actual cost of the extension, if said extension is more than one mile from any main exchange circuit of such company.