You are a CCM administrator at Certkiller . You want to route calls from one Certkiller site over the WAN to another site. Your user community dials a full long distance number, but you want to only route the five digit extension. Which of the following is the most effective solution?

A.
Change the full long distance number to only five digits using a route filter with a called party transformation mask.

B.
Change the full long distance number to only five digits using a route filter with a calling party transformation mask.

C.
Change the full long distance number to only five digits using a translation pattern with a calling party transformation mask.

D.
Change the full long distance number to only five digits using a translation pattern with a called party transformation mask.