DISCLAIMER: These SDKs are generated using publicly available descriptions of APIs that anyone has created. As such there are no guarantees for any of the SDKs below, or that this listing is maintained by or even related to the company it claims to be, unless explicitly specified.
There appears to be a bug on Telstra SMS API, the API does not like the header accept: application/json .
Removing this line on the controllers works fine for now.
remove all put( "content-type", "application/json; charset=utf-8" ); from Java lib, otherwise it will report content-type duplicated.