Your company has a Skype for Business Server 2015 infrastructure that contains two topology sites named Seattle and Toronto.
You plan to enable Enterprise Voice in both sites.
Each site has a public switched telephone network (PSTN) gateway.
The company’s telecommunications provider assigns the following number ranges to each site:
– Seattle: 425-555 (4000-4299)
– Toronto: 416-555 (4100-4199)
You need to configure the incoming normalization rules to convert the four-digit number to the E.164 format for each site.
What should you create?
A . a trunk configuration for each site and normalization rules for each site
B . normalization rules in the global trunk configuration
C . normalization rules in the global dial plan
D . a dial plan for each site and normalization rules for each site
Answer: D