When logging a method for reaching out to a Hubspot contact you can use one of the three following methods:
Using the email tab you can email the contact using a premade template or a self written one.
Calling is not accessible currently (paid feature) so it will be logged in the next tab (Log Activity)
3) Log Activity
Use Log Activity to log Calls, Emails, or Meetings using the "Log a call" (A)
After selecting a contact method you can select an outcome (B)
4) Contact Owner
After reaching out to a potential customer update the contact owner to the appropriate owner.