Cellular vs. Digital
Sometimes called "analog," cellular is an older technology than digital. If you live in a rural area, or travel often in rural areas, a cell phone will offer a broader calling area. However, cell phone quality is not as good as digital. In addition, it is easier to listen in on a cell phone, while digital phones are almost "tap-proof."

All-In-One Phones
All-In-One phones include voice mail, caller ID, call waiting, 3-way calling, and Internet access.

Analog Backup
This is phone or a phone service that offers cell phone capability in the event you are unable to dial into a digital system (not uncommon outside of major metro areas).

Roaming Charges
Watch out for these. Once you get out of your basic local calling area, roaming charges can apply and they can be hefty. If you travel or call outside of the county often, you need to be aware of these often very costly charges.