[OSL | CCIE_Voice] Use External Phone Number Mask

[datucha123 datucha123]

Hello,

Can you please explain the idea of "User External Phone Number Mask"
checking for RP, RL, or GW/Trunk Level Calling party Transformations, when
the Translation pattern is already using that checkbox, and making the
translation?

As I know, the Translation Pattern translation takes effect immediately, so
that the RP, RL, and Calling Party Transformations have to match based on
the Translation Pattern translated Number.

So what is the idea of using "User External Phone Number Mask" and  RP, RL,
or GW/Trunk Level Calling party Transformations, when it has been already
used at Translation Patterns level.

Well, my guess is the following that this checkbox at RP,RL GW/Trunk level
ignores the TP level settings for External Phone Number Mask and any
translations made based on External Phone Number Mask at TP level.

Am I correct?
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