Im having the same issue - Originally when I was on Three I would call a family member on their landline and after 20-30 minutes a delay in my voice transmission to them would occur. It would then get so long we would have to abandon the call. I ha...
I had this issue when I was using the Three network, and I still have it using Smarty which happens to be owned by Three. I talk to a family member on their landline, and after about 20 - 30 mins a delay builds, where the family member is not hearin...