Certificate
W 116017
GSZ Gebäudeservice und Sicherheitszentrale GmbH
Paul-Robeson-Straße 37
DE 10439 Berlin
+49 30 25927400
+49 30 25927410
https://www.gsz-online.de
info@gsz-online.de
VdS 3138-1 : 2013-12
By the approval holder independently supplied services:
Technical service:
Monitoring, reception and processing of signals and alarms
according to EN 50518
Alarm and message forwarding within the security chain
according to VdS 3138-1
Security service:
Alarm service
Provided by partner services:
Technical Service: none
Security service(s): Intervention service
Approvals as emergency call and service control centre in accordance with VdS 3138-2
VdS-konforme Übertragung:
- DP4-Aufschaltung nach VdS 2471-S1
- VdS-SecurIP-Protokoll-fähig
Updated at: 11.02.2026