Which dial rule pattern for Cisco 7905_7912 IP phones will allow the user to dial a 9 for local access, wait for a secondary dial tone, and then dial a seven digit number?

Which dial rule pattern for Cisco 7905_7912 IP phones will allow the user to dial a 9 for local access, wait for a secondary dial tone, and then dial a seven digit number? )

137
Cisco 642-447 Exam

A.
9404…….

B.
9,\*

C.
9,770t5-…….

D.
9,770…….#

Explanation: