Voice over Internet Protocol (VoIP) is Telephone Service on Steroids compared to traditional landlines. If you live a bad cell phone area or need a full time phone service at your home or business, consider VoIP from ISP. ISP’s VoIP service includes all the premium features like caller ID, voicemail, call forwarding and Nationwide local calling as well as a myriad of other features without adding all the premium price increases the big guys are known for. You can even keep your current number if you like. Call ISP today to see if VoIP is a good fit for you.