Annex 1

(Art. 2)

Terms and abbreviations

1. Communication service : service that enables communication using telecommunications technology; it includes telecommunications services and derived communication services;
2. Subscribers: persons who have entered into a contract with a TSP or a PDCS in order to use their services or who have registered for their services or have been granted access by a TSP or a PDCS to their services;
3. WLAN : wireless local area network;
4. Identifier: addressing resource, identification number or any other unique indicator of a specific subscriber, service or device;
5. IP address (internet protocol address): address that identifies all devices connected to a network that communicate using the internet protocol; there are Version 4 (IPv4) and the Version 6 (IPv6) IP addresses;
6. Port number: address of a port; a port is the logical end point for communications with or within a computer system; a port is linked to an IP address and the communication protocol type;
7. NAT (network address translation): procedure for translating network addresses. The address information in IP packages is automatically replaced with other address information by a network element (e.g. router);
8. Telephony service: interactive service that allows simultaneous real-time voice communication between persons communicating with each other, with addressing according to a numbering plan; a provider’s answerphone systems associated with a telephony service (e.g. voice box, voice mail, visual voice mail) are also regarded as a telephony service;
9. Multimedia service: more sophisticated telephony service, with which, in addition to speech, other types of media and functions can be used, such as video, images, audio, file transfer, parts of content, presentation of content, transmission of presence information (e.g. video telephony, unified communication, RCS, conference calls, video conference calls, online meetings);
10. GPSI (Generic Public Subscription Identifier): unique public addressing resource within and outside 5G networks (e.g. MSISDN);
11. MSISDN (Mobile Subscriber Integrated Services Digital Network Number): unique telephone number on which subscribers to a mobile network can be called;
12. IP prefix: part of the IP address that identifies network concerned;
13. IP address range: a number of successive IP addresses;
14. Net mask: in internet protocol Version 4 (IPv4), describes how many bits at the start of the IP address displayed identify the network concerned;
15. Prefix length: in internet protocol Version 6 (IPv6), describes how many bits at the start of the IP address displayed identify the network concerned;
16. ICCID (Integrated Circuit Card Identifier): series-number of a smart card (e.g. ICCID of a SIM card) or a profile on a built-in chip (e.g. the EID of an eUICC) that uniquely identifies the chip or the profile worldwide;
17. IMSI (International Mobile Subscriber Identity): number that allows the unique international identification of mobile communication subscribers;
18. SUPI (SUbscription Permanent Identifier): number that allows the unique international identification of mobile subscribers in 5G networks;
19. IMEI (International Mobile Equipment Identity): number that allows the unique international identification of mobile communication terminals;
20. PEI (Permanent Equipment Identifier): number that allows the unique international identification of mobile communication terminals in 5G networks;
21. MAC address (Media Access Control Address): hardware address that is stored in a network card or a network adapter and that is used as the unique address at the level of OSI layer 2;
22. SIM (Subscriber Identity Module): smart card or chip permanently built into to the terminal device on which the IMSI or SUPI and the related key are securely stored; the SIM is used to authenticate the subscribers to a mobile network, and includes theUSIM (Universal Subscriber Identity Module), UICC (Universal Integrated Circuit Card) and eSIM (embedded SIM) ;
23. PUK code (Personal Unblocking Key): unchangeable PIN assigned to the SIM used to unblock the SIM if the PIN code has been entered incorrectly on several occasions;
24. PUK2-Code (Personal Unblocking Key 2): same as the PUK code, but assigned to the PIN2 code;
25. eUICC-ID (shortened to EID, embedded Universal Integrated Circuit Card-Identifier) : unique worldwide identifier for a chip permanently built into a terminal device, which hosts the SIM functions (see ICCID and SIM);
26. Source IP address: IP address that is assigned to the communication end point (normally the client) that establishes the connection;
27. Source port number: port number that is assigned to the communication end point (normally the client) that establishes the connection;
28. Destination IP address: IP address that is assigned to the communication end point (normally the server) with which the connection is established;
29. Destination port number: port number that is assigned to the communication end point (normally the server) with which the connection is established;
30. SIP (Session Initiation Protocol): communication protocol that is used for signalling and maintaining multimedia communication sessions;
31. SIP URI (SIP Uniform Resource Identifier): URI scheme for addressing the SIP. The SIP URI are addressing resources in the formatuser@domain.tld ;
32. IMPU (IP Multimedia Public Identity): identifier that allows communication with other subscribers; a subscriber to the IMS has one or more IMPUs in addition to the IMPI; one IMPI may be assigned several IMPUs. Conversely an IMPU may also be shared with other subscribers;
33. TEL URI (Telephone Uniform Resource Identifier): URI scheme for telephone numbers. The TEL URI are addressing resources in the formattel:number , e.g.tel:+41-868-868-868 ;
34. IMPI (IP Multimedia Private Identity): internationally unique identifier in the IMS, assigned by providers to their subscribers, which is used inter alia for registration and AAA events.
35. Email service: mailbox or interface for reading, writing, editing, sending, receiving or forwarding emails, based on SMTP
36. Alias address: additional email address that the subscriber can set up, change and delete at will; the email provider determines its maximum number of alias addresses and their structure; the alias addresses are linked to the email account. An email sent to an alias address is delivered to the same email box as used for the subscriber’s related main email address;
37. Mailing list: list of email addresses, also known as a distribution list or distribution group. The list has its own email address. The messages that are sent to the mailing list address are forwarded on to the email addresses of its members;
38. Messaging services: message transmitting services that are independent of from telephony and multimedia services. They include instant messaging, IMS messaging and messaging applications (apps) and SMS services from third-party providers (i.e. SMS services not provided by the subscriber’s TSP). These services may also include additional functions such as multimedia communication, data transmission and presence information (e.g. a subscriber can see the current status and potentially the location of the other subscribers);
39. Cell identifier: unmodified identifier for radio cells in mobile networks, such asCGI (Cell Global Identity ),ECGI (E-UTRAN Cell Global Identity ),NCGI (New Radio Cell Global Identity );
40. Geographical area identifier : unmodified identifier for geographical areas in mobile networks, e.g.SAI (Service Area Identity), RAI (Routing Area Identity), TAI (Tracking Area Identity);
41. Hotspot name (SSID) : name of a hotspot freely chosen by the provider, which is generally easy to read and is displayed to users; a hotspot in terms of this Ordinance is public access to the internet via WLAN (Wi-Fi), as opposed to a stationary or mobile (tethering) private hotspot;
42. Target ID: identifier under surveillance, i.e. the identifier of the target of the surveillance;
43. IRI (Intercept Related Information): secondary telecommunications data of the target recorded during real-time surveillance. The data are normally also transmitted in real time; they must be distinguished from retained secondary telecommunications data (historical data), which are only selectively recorded, normally with a time delay, for the purpose of retroactive surveillance;
44. HLR (Home Location Register) : in second- and third-generation mobile networks; a database kept by a mobile service provider, in which the functional characteristics of its subscribers (e.g. IMSI, MSISDN, configuration, service profiles) and their current service-providing network are recorded;
45. HSS (Home Subscriber Server) : in fourth-generation mobile networks; a database with similar functions to the HLR;
46. UDM (Unified Data Management): in fifth-generation mobile networks; a database with similar functions to the HLR and HSS;
47. IMS (IP Multimedia Subsystem): a telecommunications system based on the internet that integrates mobile voice services and internet functions;
48. AAA (authentication, authorisation and accounting information): information on which subscribers are allowed to use which services, and information which is used to bill subscribers for service usage. For the purposes of this Ordinance, passwords are not regarded as AAA information. Authentication is the process by which a subscriber is identified before the access is granted. Authorisation determines which rights of access to resources or services that a subscriber holds and also guarantees access control. The subscriber’s use of resources is measured for accounting purposes;
49. 3GPP (3rd Generation Partnership Project): worldwide cooperation among standardisation bodies on standardisation in mobile communications;
50. Non-3GPP access: access to the mobile communications core network that is based on technology that is not standardised by the 3GPP (e.g. WLAN access);
51. EPS (Evolved Packet System) : architecture of the LTE mobile communication standard of 3GPP, marketed as “4G”;
52. 5GS (5G-System) : system architecture of the 5G mobile communication standard of the 3GPP;
53. SMS (Short Message Service): messaging service for transmitting short text messages;
54. Voice mail: storage devices used in telecommunication networks that offer answering services (e.g. receiving, forwarding and storing voice messages). There are extensions for various types of media and services, such as SMS, email, fax or video messages as well as function extensions such as converting from one type of media to another (e.g. text to voice) and the sending of messages;
55. RCS (Rich Communications Services, originally: Rich Communication Suite) specification of the international industry organisation for mobile telephony providers GSM Association, GSMA for the IMS based provision of interoperable (i.e. cross-provider and cross-terminal) multimedia services with extended functional scope. Various types of media (e.g. language, music, photographs, videos) and services (e.g. chat, chat groups, calls, multimedia messages, short messages, instant messages, presence information, transmission of files, address books) can be combined; what is meant here is only the RCS services that are provided to subscribers by their mobile telephony provider;
56. E.164 number: telephone number in accordance with international numbering plan E.164 of the ITU-T;
57. DTMF (Dual-Tone Multi-Frequency): a signalling procedure, i.e. during a telephone conversation, sound signals can be sent by pressing the telephone keypad, for example to interact with answering machines or automatic voice response systems;
58. BSSID (Basic Service Set Identifier): unique identifier (MAC address) of the WLAN access point;
59. Radio interface: the interface for radio transmission in the mobile communications network, e.g. 5G New Radio (5G NR), also known as the air interface or 3GPP access.