SECV's Digital Phone offers the convenience of unlimited local and long distance calling, over 10 calling features: Voicemail, 3-Way Calling, Call Waiting, Call Forwarding, Caller ID, Repeat Call, Return Call, and more for one low monthly price. Long distance charges do NOT apply to the U.S., Canada, Puerto Rico, and Mexico. Moreover, Digital Phone does not affect your High-Speed Internet connection. You can surf the Internet and be on the phone at the same time.