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
WITHDRAWN
SRPS EN 50136-1-4:2014
95.99
Withdrawal of Standard
Feb 26, 2015
PUBLISHED
SRPS EN 50136-1:2014