What Microsoft CRM files does the Cisco CRM Communications Connector update to add the Click to Dial customization buttons to the CRM customer contact records?

What Microsoft CRM files does the Cisco CRM Communications Connector update to add the Click to Dial customization buttons to the CRM customer contact records? (Choose two.)

A.
clicktodial.config

B.
globalconfig.xml

C.
isv.config

D.
outlookclient.xml

E.
clientconfig.cfg