[UMG-2000 Series] Case 8 How to use LCR function to make Off-Net calls via external gateway on UMG-2000 Series.
Regarding this detail descriptions, it is suggested to download the product FAQ as below, and read the documentation for more understandings, thank you.
FAQ_Case8 How to use LCR function to make Off-Net calls via external gateway on UMG-2000 Series.pdf
