I am having exactly the same problem i.e. cannot call my land line from my mobile (02) other mobile net works seem to work.
I have moved your post to this new thread, so you can get personal help from the community or moderators, so please watch this thread for updates.
Hi @davidw4
Welcome and thanks for posting!
I am sorry for the problems you're having receiving mobile calls on your landline. I have sent you a private message with instructions on how you can send us over your details and we'll look into this for you. See: Private messages
Thanks,
Robbie