Which CSS is responsible for ensuring that the correct partitions are accessed when calls are sent to the Enterpriseuser’s mobile phone?

Refer to the exhibit. With the Mobile Connect feature configured, when the PSTN phone calls the Enterprise user at extension 3001, the Enterpriseuser’s mobile phone does not ring. Which CSS is responsible for ensuring that the correct partitions are accessed when calls are sent to the Enterpriseuser’s mobile phone?

A. the gateway CSS
B. the Phone Device CSS
C. the Remote Destination Profile CSS
D. the Remote Destination Profile Rerouting CSS
E. the Phone Line (DN)CSS