How to Use Comcast VoIP

by Contributor

VoIP, an acronym for Voice over Internet Protocol, is a type of phone service delivered through your high-speed Internet connection. Comcast, the second largest provider of Internet services in the U.S., offers VoIP to residential customers. Some arguments in favor of Comcast VoIP include ease of transition from traditional telephony, flat rates for unlimited local and long distance calling and 12 advanced phone features at no cost.

Order Comcast VoIP by visiting Customer Support at under Customers. There, you have several options for communicating with customer support. You can call the toll-free number listed, use email or chat.

Establish a convenient time for a technician to visit your location and install an embedded Multimedia Terminal Adapter or eMTA device. An eMTA is similar to a cable modem and it gets connected to your phone and cable modem. Its function is to supply emergency services, such as E911, and to provide a backup power source against power outages.

Retain your existing telephone number or, if you prefer, get a new number within your local calling area.

Wait between 3 and 4 hours for the service to take effect, less if you live in an apartment or condominium.

Plug your phone device or headset into your PC.

Start making and receiving phone calls.

Create an account at to allow you to perform account and billing management.


  • check The phone services provided with Comcast VoIP are 3-way calling, call waiting with caller ID, repeat dialing, call waiting, online access to voice mail, call screening, anonymous call rejection, caller ID, caller ID blocking, online account summary, call return, call forwarding, speed dial and selective call forwarding.
  • check You can use up to four phone devices for every Comcast VoIP connection.

Items you will need

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