Welcome to the community!
I am sorry to know that you're having difficulties to call on Ireland and Latvia.
I was able to locate your account using your community details and seen that there is still remaining international call left in your account, I ran initial test and shows home phone works fine.
I would like to arrange a call from one of our Technicians for further test and investigation.
I'd like to get your best contact number and preferred time, you can me your details via PM.
In case you need a reference: How to send a PM.
Thanks for sending me your details and apologise for delayed. I will arrange a call from one of our Technicians today. Please expect a call within 30-1hr from now.
Tell me how it will go.