How does ringless voicemail work?

The technology is able to deliver a message straight to a voice mailbox because it completely bypasses the wireless cellular network. Instead, it goes through a business landline directly to the voicemail server of your cellular provider. Then the server moves the voice message to your spot on the server and sends you a notification. Because there is no phone call and the voice mail goes directly into the voice mailbox, there is no phone call, no track of a phone call on the cellphone bill, no charge for a phone call and no charge for the retrieval of the voicemail.

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