Can you receive calls when someone dials your number? It sounds like it should work, so if you can't receive calls either, I suggest you contact Koodo through Facebook private messenger, they will be able to sort you out :)
Everything looks good in the pic. Which phone do you have? Is it a Koodo or TELUS phone? Have you tried calling your own number? Check in-call volume, the volume level might be set to its lowest value.
If you none of the above is working for you, at this point I would advise that you contact Koodo. Try sending them a private messag via facebook or twitter and someone can look into your account to see why you cant make calls