Click the Exhibit button. A network administrator receives complaints that the application voicecube is timing out after being idle for 30 minutes.Referring to the exhibit, what is a resolution?（）

• A、[edit] user@host# set applications application voicecube inactivity-timeout never
• B、[edit] user@host# set applications application voicecube inactivity-timeout 2
• C、[edit] user@host# set applications application voicecube destination-port 5060
• D、[edit] user@host# set security policies from-zone trust to-zone trust policy intrazone then timeout never