How do you set up E.164 in the dial plan?

[lam121]

I need to figure out if one of my location in Asia is utilizing E.164 in its dialplan. It's a CM 6.3 with several ISDN and SIP trunks. I looked at Dial plan analysis, Location Parameters, display public-unknown-numbering and honestly I don't have a full understanding of how this all works in relation to E. 164.

[mlombardi1]

E.164 is a fully qualified public number. Look at the dialplan analysis table. Do the extension lengths match the length of an Asian telephone number including country code?