On Tue, Nov 15, 2016 at 11:52 AM, David Tulloh <david@tulloh.id.au> wrote:

Solution:

Install Signal by Open Whisper Systems https://whispersystems.org/

It solves the original problem posed and is easy to use.

It only encrypts the phone conversation, nothing else, I believe. All phone conversation metadata is visible for the telco, if I am not mistaken. Regards Peter