Press your home phone's star (*) key, wait for the ready tone, and say your command. Try "What is the weather", "my appointment", "read my text","remind me to buy banana?...

For some version of Android or iPhone, voice assistance requires "media audio" to enable ( in steady of using "call audio")
Please follow this link to enable "media audio" in our setting   
Note: After enable "media audio", Please wait Cell2Jack reboot by itself (DON'T disconnect power)