When is an ordinary-looking telephone not an ordinary telephone? When it is attached to digital phone service. landline phones have dominated the telephone industry since the 1800's, when they were first invented. Using the same analog technology originally created, they saw little change in their basic operation until the 1960's. The essence of digital phone systems involves transmitting voice-over cables that carry all manner of digitized signals, be they television images, Internet connections, or voices.
You might be surprised to learn that original digital phone technology was developed so long ago. Even basic fiber optic cable transmissions were enabled over 40 years ago. Now cable companies offer digital phone service.
You might want to consider switching to digital telephone for a few reasons.
These are a few reasons you should at least consider using digital telephone service if cost issues are comparable.