42 5) other similar technical requirements for number portability comparable to those referred to in subsections 1–4. Section 104 Telecommunications in the European Economic Area A telecommunications operator in a telephone network shall, for its part, ensure that calls can also be made from EEA States to any non-geographic number in use in Finland wherever this is technically and economically possible. The obligation referred to in subsection 1 does not apply to a telecommunications operator if the receiver of a call has restricted incoming calls from certain geographical areas for commercial reasons. Ficora may issue further regulations on technical measures necessary to meet the obligation referred to in subsection 1. Section 105 General international prefix A telecommunications operator in a telephone network shall, for its part, ensure that users are able to make international calls using the general international prefix 00. Ficora may issue further regulations on technical measures necessary to meet the obligation referred to in subsection 1. PART V RIGHTS OF SUBSCRIBERS AND USERS IN CONNECTION WITH COMMUNICATIONS SERVICES Section 106 Scope and peremptory nature of provisions The provisions in this Chapter may not be deviated from using agreements to the detriment of a consumer. The following sections 118–123, 125(2–4) as well as 126, 134(1) and 135 shall apply to agreements other than with consumers only if not agreed otherwise. The following sections 108, 112, 118, 119, 121, 122, 128 and 134 shall not apply to an independent communications service provided at no charge. Chapter 15 Communications service agreement Section 107