Extensions from 1000 to 100


Like UCM 6302 Change Extensions from 1000 to 100?



  • Extension range changes then eliminate 1000 and create 100
  • Extension range changes Modify the CSV file and recharge it


Can’t change the range


Obviously, you have the extension in use, first eliminates 100/1000


No, there are no Extensions. Everything worked out, that’s how I wrote everything:



I remind you that this is a non-grandstream service forum,
You should contact a professional in the area if you don’t have the basics to manage the UCM

Grandstream assistance is here:


I think he is indicating that he resolved the issue as he moved the park lots to a different range.