Yeah but as a T-Mobile customer myself, that plan which is only available if you purchase the SIM card online or through Walmart, isn't sufficient for my needs.

Yeah but as a T-Mobile customer myself, that plan which is only available if you purchase the SIM card online or through Walmart, isn't sufficient for my needs. As much as I like being able to call via the Hangouts Dialer WiFi calling is still not of very good quality.