ISO 21792:2019 PDF

Scope: This document provides general and specific recommendations related to the quality of communication, connectivity, installation, performance and maintenance of onboard telephone equipment, including automatic telephones, common battery telephones, battery-less telephones and sound-powered telephones. It also specifies requirements for the related performance tests (shop tests and onsite tests) and for the maintenance tests. It is not applicable to digital telephones, LAN (VoIP) telephones, and wireless telephones. NOTE These telephones are excluded because they were under development during the elaboration of this document so that their specifications remained to be determined. Table 1 further illustrates the applicability of this document. Table 1 — Applicability of this document Type of connection Signal Analog Digital Wired X n.a. Wireless n.a. n.a. X: covered in this document. n.a.: not applicable.

ISO 21792:2019 history

2019 ISO 21792:2019 Ships and marine technology — Navigation and ship operations — Guidelines for onboard telephone equipment