Spectrum Voice

What is the difference between a cable modem and an MTA?

A multimedia terminal adapter (MTA), or phone modem, operates much the same as a cable modem, but an MTA can deliver Spectrum Voice® service in addition to Internet service.

To check your battery life, see How can I tell whether the battery for my phone modem needs to be replaced?

See the Our Policies page to review the phone modem battery policy.

Article Number: 4212

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