IEC 62820‑1‑2 specifies the technical requirements for the composition, functions, performance and test methods of building intercom systems using the Internet protocol (IP), and it is a supplement to IEC 62820‑1‑1.
This document is applicable to the IP building intercom systems for both residential and commercial buildings.
NOTE A BIS that has a mixture of IP and non-IP connections is not covered by IEC 62820‑1‑2 but covered by IEC 62820‑1‑1.
EN 62820-1-2 Ed.2.0
IEC 62820-1-2:2026