Getting, using and protecting 800, 833, 844, 855, 866, 877 and 888 numbers: what they can and cannot do, how they differ from local numbers, and how to keep them off spam lists.
2 articles
Practical explanation of toll-free numbers: what they are, how they work, when to use them, and how to provision and route calls correctly.
A practical guide to toll-free call forwarding: how it works, what to configure, routing patterns that answer more calls, and how to avoid spam flags and dead ends.