Refer to the exhibit.
router eigrp SAF ! service-family ipv4 autonomous-system 1 ! topology base external-client HQ_SAF exit-sf-topology exit-service-family ! ! service-family external-client listen ipv4 5050 external-client HQ_SAF username SAFUSER password SAFPASSWORD keepalive 3600000
The exhibit shows a SAF Forwarder configuration attached to a Cisco Unified Communications Manager.
Which minimum configuration for a Cisco Unified Communications Manager Express SAF Forwarder is needed to establish a SAF neighbor relationship with this SAF Forwarder?

A.	router eigrp SAF ! service-family ipv4 autonomous-system 1 ! topology base exit-sf-topology exit-service-family ! voice service saf profile trunkroute 1 session protocol sip interface Loopback1 transport tcp port 5060 !
B.	router eigrp SAF ! service-family ipv4 autonomous-system 1 ! topology base exit-sf-topology exit-service-family ! voice service saf profile trunk-route 1 session protocol sip interface Loopback1 transport tcp port 5060 ! profile dn-block 1 alias-prefix 1972555 pattern 1 type extension 4xxx ! profile callcontrol 1 dn-service trunk-route 1 dn-block 1 dn-block 2 ! ! channel 1 vrouter SAF asystem 1 subscribe callcontrol wildcarded publish callcontrol 1 !
C.	router eigrp SAF ! service-family ipv4 autonomous-system 1 ! topology base exit-sf-topolog exit-service-family !
D.	None of above configurations contain sufficient information.