BUILDING INTERCOM SYSTEMS - PART 1-2: SYSTEM REQUIREMENTS - BUILDING INTERCOM SYSTEMS USING THE INTERNET PROTOCOL (IP)
International Electrotechnical Committee
FOREWORD<br>INTRODUCTION<br>1 Scope <br>2 Normative references <br>3 Terms, definitions and abbreviated terms <br>4 Functional requirements <br>5 Performance requirements<br>6 Test methods<br>7 Documentation <br>Annex A (normative) - Subjective assessment of the<br> IP BIS image quality<br>Annex B (normative) - Subjective assessment of<br> echo return loss<br>Bibliography
Describes 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.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 79 |
