SIGNL4 – Critical Mobile Alerting

By Derdack GmbH

When critical systems fail or major incidents happen, SIGNL4 is the fastest way to alert your staff, engineers, IT admins and workers ‘in the field’.

Price Free
Hosting availability SaaS
Consultancy Optional
Additional requirements SIGNL4 subscription
Available languages English and German
Region availability Worldwide


When critical systems fail or incidents happen, SIGNL4 bridges the ‘last mile’ to your staff, engineers, IT admins and workers ‘in the field’. It adds real-time mobile alerting to your services, systems and processes in no time. SIGNL4 notifies through persistent mobile push, SMS text and voice calls with acknowledgement, tracking and escalation. Integrated duty and shift scheduling ensures the right people are alerted at the right time.

SIGNL4 integrates with TOPdesk via the webhook interface. Information about new tickets is automatically sent to your operational teams no matter where they are. SIGNL4 provides for an up to 10x faster and effective response to critical alerts, major incidents and urgent service requests.

Find out more about the integration as well as a technical description on the SIGNL4 integration page.