There are many advantages to fiber optics. Fiber optics is considered more secure. It is difficult, if not impossible, to detect motion through the fibers. This reduces concerns over phone calls being improperly monitored. Some companies such use exclusively fiber optic technology. Other toll free number service providers still use the less reliable VoIP, which does not provide the consistent connections of fiber optics. In fact, in some circumstances with VoIP, if the power fails, phone calls cannot be transmitted at all. Fiber optics provides more reliable transmissions.
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