telephony modem

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telephony modem

(1) An analog modem. See modem.

(2) A device that adapts an analog phone to a cable or DSL network for voice over IP (VoIP). See analog telephone adapter.

(3) A combination analog telephone adapter and DOCSIS cable modem. See E-MTA.
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Touchstone Telephony Modems are uniquely designed to easily and consistently deliver carrier-grade VoIP service, despite the inherent challenges present in many subscribers' homes: most notably the range in quality and quantity of telephones, in-home wiring, fax machines and modems present.
With the ARRIS Cadant C4 CMTS and the Cornerstone CMTS 1500, the Touchstone Telephony Modem is an integral part of the ARRIS CompleteVoice cable telephony solution.
The Touchstone Telephony Modem is built upon Packet Port technology, which has been in operator deployments for over one year.
The site offers staple products, as well as application-specific equipment, including replacement batteries for ARRIS Touchstone E-MTA telephony modems.

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