A person's hand dials a landline phone.

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The cable industry is fighting an attempt to require deployment of robocall-detection technology.

Some phone providers have already begun deploying the technology in question, which is called SHAKEN/STIR. The technology authenticates callers with digital certificates to prevent spoofing of Caller ID numbers. But Charter—the lobby group that represents Comcast and other cable companies—wants to make sure the Federal Communications Commission doesn't impose any deadlines on the rollout.

The FCC in June proposed to require implementation of SHAKEN/STIR "if major voice service providers fail to meet an end-of-2019 deadline for voluntary implementation." The commission also sought public comment on the proposal. Consumer Reports and other consumer advocacy groups subsequently asked the FCC for a requirement that major phone providers implement SHAKEN/STIR at no extra charge to consumers by June 2020.

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