Connect a Telephone Line
If you use XFINITY Voice, you can connect your phone to the cable modem with phone cable.
Figure 8. Connect a telephone line
To connect a telephone line:
1. Connect one end of the phone cable to the Tel 1 port on the rear panel of the cable modem.
The Tel 2 port works only for a two-phone-line subscription.Note
2. Connect the other end of the phone cable to the telephone.
3. Call Comcast XFINITY customer service at 1-800-XFINITY (1-800-934-6489) and ask them to register
the phone lines.
After the voice line is registered, you can hear a dial tone when the phone is off-hook.
View Voice Status
The cable modem functions as a multimedia terminal adaptor (MTA), allowing the cable modem to provide
voice services.You can view some basic MTA voice information.
To view the MTA voice status:
1. Launch a web browser from a computer that is attached over an Ethernet cable to the cable modem or
from a computer that is connected to a WiFi router that is attached over an Ethernet cable to the cable
modem.
2. Enter http://192.168.100.1.
A login window opens.
3. Enter the admin user name and password.
The user name is admin.The default password is password.The user name and password are
case-sensitive.
Monitor Voice Telephone Lines
15
Voice Cable Modem
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