ARRIS Tm722g Comcast Voice and Cable Modem (TM722G/CT), Battery, Power-Cord For Sale
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ARRIS Tm722g Comcast Voice and Cable Modem (TM722G/CT), Battery, Power-Cord
Price: US $15.00
This Arris modem is compatible with Comcast voice - that is exactly how it was used, in addition to a separate modem for data. Since you would be getting it cheaply, use it in addition to the main data modem - this way you can upgrade the main unit without being tied to the voice modem. Comcast supports this scenario.
