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How to connect a landline through the optical modem dial? If you plug in the phone without dialing sound, don't rush to change the phone—it's almost always stuck in voice registration
The telephone port on the optical modem can connect to landlines, and the standard phone can be plugged in and used immediately, provided the landline service in the plan is activated. If you don't have dial tones, check the phone light first. Ninety percent of the time it's because voice registration hasn't opened. Just restart the optical modem and wait a few minutes. You should also know about the pitfall of a fixed-line phone that can become mute when the power is cut off....
