EN 50136-1-4:1998

Alarm systems - Alarm transmission systems and equipment - Part 1-4: Requirements for systems with voice communicators using the public switched telephone network EN 50136-1-4:1998

Publication date:   Jan 1, 1999

Scope

This standard specifies the requirements for voice communicator systems utilising the Public Switched Telephone Network which are in addition to those specified in EN 50136-1-1. It covers switched connections providing event driven signaling between an alarm system and a remote centre. The information will be transmitted by using a stored voice message to one or more responsible persons and/or to an alarm -receiving centre successively