how do i mask my phone DID number to external parties so that the do not see what is my phone number ?
currently my cucm is configure to use this setting
External Phone Number Mask - 6653XXXX, which will show my direct number once i dial out.
how can i hide it ?
Go to your Route Patterns providing PSTN access and modify the calling party transformation section:
Enter the mask in Calling Party Transform Mask
You can also do this at Route List level by clicking on Route List Details and modifying the appropriate RG.
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