How a mobile address is read
The difference between a mobile session and a server is not speed. It is which organisation the range is registered to.
Blog
How it works
How the lines behave, why codes go astray, and what the catalogue figures are actually saying. Written by the people who keep the rail running.
What an idle count is telling you
The number of free lines beside a service says more about whether a code will arrive than the tariff does.