You must set up SIP with a proxy for your network. IP phones are in the 172.16.100.0 network. The Registrar and proxy are installed on host 172.16.100.100. To allow handover enforcement for outbound calls from SIP-net to network Net_B on the Internet, you have defined the following objects:
Network object: SIP-net: 172.16.100.0/24
SIP-gateway: 172.16.100.100
VoIP Domain object: VoIP_domain_A
1.End-point domain: SIP-net
2.VoIP gateway installed at: SIP-gateway host object
How would you configure the rule?

A.
SIP-Gateway/Net_B/sip_any/accept

B.
VoIP_domain_A/Net_B/sip/accept

C.
SIP-Gateway/Net_B/sip/accept

D.
VoIP_domain_A/Net_B/sip_any, and sip/accept

E.
VoIP_Gateway_A/Net_B/sip_any/accept