How does an engineer globalize routing for ingress calls coming from the PSTN to internal DNs?
A) At the PSTN gateway, put the calling number in PSTN format and the called number in DN format.
B) At Cisco Unified CM, put the calling number in E164 format and the called number in PSTN format.
C) At the PSTN gateway, put the calling number in E164 format and the called number in localized (DN) format.
D) At Cisco Unified Communications Manager, put the calling number in E164 format and the called number in E164 format.

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The Answer of How does an engineer globalize routing for ingress calls coming from the PSTN to internal DNs?
A) At the PSTN gateway, put the calling number in PSTN format and the called number in DN format.
B) At Cisco Unified CM, put the calling number in E164 format and the called number in PSTN format.
C) At the PSTN gateway, put the calling number in E164 format and the called number in localized (DN) format.
D) At Cisco Unified Communications Manager, put the calling number in E164 format and the called number in E164 format.

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