We are travelling to the UK In December for 3 weeks and would like to know the most economical way to call back to Oz.
My 87 year old mother in law has a land line and a mobile ..but no internet .
We previously had bought a Vodaphone SIM in NZ which gave us heaps of talk time for very little cost.
We will have our mobile and are staying with friends ...so some land line use but we don't want to run up their bill !
We usually call her about every 2nd day...so this could rack up quite a bill