이 플랜이 나도 모르게 처음 가입할때 자동으로 가입이 된듯 합니다.
이 플랜 꼭 필요한 것인지 혹시 컴캐스트 케이블 사용하시는 분 경험 부탁드립니다. 아래는 컴캐스트에서 보낸 메일입니다.

SPP or Service Protection Plan is simply a plan that covers all
chargeable trouble calls (which include those related to inside wiring
and customer education.) for all three lines of our business
(Video,CHSI, and CDV). For a monthly fee of $2.95, you get the following
benefits:

Worry-free protection plan for residential home wiring.
Completely voluntary ? cancel SPP at anytime
Simple and convenient ? any problem with any Comcast service will be
taken
care of without any additional service fees.
Conveniently added to each month?s regular billing.
Reliable service ? We?ll even cover inside telephone wiring regardless
of whether or not you have telephone service with us.
Peace of mind ? there?s no limit on covered service calls during normal
business hours
Coverage for twisted pair telephone wiring inside your home even if
Comcast is not your telephone service provider.

As stated above, this is completely voluntary. If you wish to cancel
this service, simply call our customer service desk at 410-427-9600.

We apologize for any inconvenience or misunderstanding.