It should be noted that for Canada, Jeremy's note at 12:42 about all calls going to a national centre for screening is applicable for a majority of services, such as Microsoft Calling Plans and general SIP services that do not have local site egress configured for 911 calls. If you set up IBLs at each of your sites and route 911 calls out the IBL (via VG) you will get to local PSAP instead of going through the national centre.
It should be noted that for Canada, Jeremy's note at 12:42 about all calls going to a national centre for screening is applicable for a majority of services, such as Microsoft Calling Plans and general SIP services that do not have local site egress configured for 911 calls. If you set up IBLs at each of your sites and route 911 calls out the IBL (via VG) you will get to local PSAP instead of going through the national centre.
Thank you Ryan for adding that information about Canada.