(5) The content of the auditing obligation specified in subsection 1 of this section and the time and procedure for submission of the audit are established by a regulation of the Government of the Republic. [RT I, 15.12.2021, 1 – entry into force 01.02.2022] § 88. Placement of calls to emergency number and security authority and determining of location of caller [RT I 2007, 63, 397 – entry into force 17.12.2007] (1) A communications undertaking providing a number-based interpersonal communications service must organise the operation of the communications network such that establishing of an emergency connection to the emergency number 112 is guaranteed free of charge over each communications network. (2) Upon providing mobile telephone services, a communications undertaking must ensure access to the emergency number 112 by the short message service (SMS) for notification of emergencies over its communications network. (3) The communications undertaking specified in subsection 1 of this section must make available to the Emergency Response Centre immediately after the emergency connection and during the processing of the emergency notification, free of charge, the telephone number of the person who has connected to the emergency number 112, the international identity of the mobile communications terminal equipment (International Mobile Equipment Identity – IMEI) and information on the location of the terminal equipment. (4) For calls placed to a number of the security authority specified by the security authority, the communications undertaking specified in subsection 1 of this section must make available to the security authority, free of charge, the telephone number of the caller and information on the location of the caller. [RT I, 15.12.2021, 1 – entry into force 01.02.2022] § 89. Requirement for number portability and change of provider of internet access service [RT I, 15.12.2021, 1 – entry into force 01.02.2022] (1) A subscriber has the right to keep the number the use of which has been granted to the subscriber by the communications undertaking and which belongs to the Estonian numbering plan upon changing the communications undertaking or the geographical location of the subscriber's access point. [RT I, 23.03.2011, 1 – entry into force 25.05.2011] (2) The right of the subscriber specified in subsection 1 of this section does not extend to: 1) switching from telephone services to mobile telephone services; 2) switching from mobile telephone services to telephone services; 3) communications services contracts where the subscriber is not identified; 4) numbers determined by the conditions for the use of numbering established by the minister in charge of the policy sector on the basis of subsection 2 of § 29 of this Act. (3) A communications undertaking is required to provide a consumer with free information concerning number portability through telephone enquiries and on its website. [RT I, 23.03.2011, 1 – entry into force 25.05.2011] (4) The charge for number portability must be cost-oriented. The charge shall be paid by the communications undertaking with whom the subscriber has entered into a new subscription contract providing as a condition the keeping of the current telephone number. (5) In the case of changing the communications undertaking, compliance with the number portability requirement shall be ensured by making use of the numbering management database. In the case of changing the geographical location of the subscriber's access point, compliance with the number portability requirement shall be ensured by making use of the respective database or information system of the communications undertaking. [RT I, 23.03.2011, 1 – entry into force 25.05.2011] (6) The requirements necessary for ensuring number portability shall be established by a regulation of the minister in charge of the policy sector. [RT I, 23.03.2011, 1 – entry into force 25.05.2011] (7) [Repealed – RT I 2007, 63, 397 – entry into force 17.12.2007] (8) If a subscriber cancels a communications services contract, the communications undertaking must retain the number issued to the subscriber at least within one month after cancellation of the contract so that it can be transferred to another communications undertaking unless the subscriber has waived such right. [RT I, 15.12.2021, 1 – entry into force 01.02.2022] (9) If technically feasible, a subscriber has the right to change the internet access service provider such that uninterrupted internet access service is ensured. [RT I, 15.12.2021, 1 – entry into force 01.02.2022] Page 52 / 89 Electronic Communications Act