π« Which internal numbers cannot be used in the portal?
Some internal extensions cannot be used in the portal because they are reserved for emergency or public service numbers.
To avoid issues or blocked calls, make sure not to use these numbers as internal extensions.
π³π± Netherlands
The following numbers are not allowed:
112 (Emergency services)
113 (Suicide prevention helpline)
09000113 (Alternative suicide prevention number)
144 (Animal rescue)
1400 (Dutch government information line)
140 (Municipal service numbers, e.g. 14026 etc.)
116 (European helplines, e.g. 116000, 116111)
π§πͺ Belgium
The following numbers are not allowed:
112 (General emergency number)
100 (Fire and medical emergency)
101 (Police)
102 (Red Cross / Ambulance services)
103 (Tele-Onthaal / Emotional support line)
π©πͺ Germany
The following numbers are not allowed:
112 (Fire & medical emergency)
110 (Police)
115 (Public authority information line)
116000 (Missing children helpline)
116111 (Child and youth helpline)
116117 (Medical on-call service)
π‘ Tip:
Always use internal extensions with at least 3 digits that do not overlap with public emergency numbers.
This ensures calls are routed correctly and prevents any technical conflicts.
