Basic training

Ni

My fiancé left yesterday for basic training. After basic he goes to OCS at Fort Benning. He told his family I would be point of contact. Will the Army let him use me for all contact information? Also, how much time (if you have been down same path) do they get between basic and OCS to he at home? Also, he left phone charger because they called him at 7am day before and changed his ship out date. Can I send phone charger?