Can you call the company and tell them what we discussed at today's meeting?
Could you call them and tell them about what we discussed at today's meeting?
Will you call the company and tell them what we discussed at the meeting over the phone?
電話してほしい時は、Can you call ~?です。
今日会議ではなした内容を伝える は、tell ~ what we discussed at the today's meeting
電話で over the phone
その会社に電話してください Could you call the company
その会社に電話して今日の会議ではなしたことを伝えてください Could you call the company and tell them what we discussed at the meeting today?
今日の会議 at today's meeting
同じ今日だけれど、これから行われる会議について連絡して欲しいときは、
Can you tell them about today's meeting?
です。
日本 
