Coronavirus (COVID-19) Disruption

“Our Call Center is experiencing a high number of calls due to the COVID-19 situation. We are working to assist everyone who contacts us. In the meantime, please visit www.arris.com/selfhelp for most frequently asked questions about your device. We apologize for the inconvenience and will assist you soon.”

TM822R

Xfinity® Telephony Modem

The Touchstone DOCSIS 3.0 8×4 Embedded Multimedia Terminal Adaptor (EMTA) TM822 delivers two lines of primary line Voice over IP (VoIP), ultra-high speed data access, and multiple battery pack options to support telephony service during power outages (TM822G only).

DOCSIS 3.0 Cable Modem

Download speeds up to 343 Mbps

8 download & 4 upload channels

Compatible with Xfinity® Voice & Internet Service

2 carrier-grade VoIP Lines

IPv4 & IPv6 Support

Already own this product?
For warranty purposes, register your device by clicking here.

Operator Support Site click here.

FAQs
Specifications
Manuals & Documentation
Drivers & Firmware