debug call failure on new nitb setup please?

Hi,

I am setting up a nitb/nano3g right now and have the basics working with the nano3g talking to hnbgw and services running on my nitb box (rpi 3-something).

I have two of the same phones: ZTE Obsidian with Android 5.1 which are able to connect to my network.

When I try to call the other phone I don't get connected. It takes about 1 minute for the call to fail.

Once the phone mentioned some problem with "access configuration for normal calls".

Attached are my configs and logs from nano3g trace log and hnbgw journal during a failed call.

Any help would be appreciated. I am sure I did something obviously wrong.

I'll try and read the configs carefully to make sure that matches with what is up on the wiki.

Thanks, Craig