Which two SIP issues should be considered when deploying KPML? (Choose two.)

A.
Additional configuration steps will be required for SIP phone dial rules.

B.
There will be additional processing demands on the Cisco Unified Communications Manager server.

C.
Social engineering will be required to educate users about how to dial a call with SIP.

D.
There will be significantly more signaling traffic on the network.

E.
Additional MTP resources will be required.