Vonage Compliment - Cheap and reliable service
I switched to Vonage, a internet-based phone service, about 6 months ago. Previously I was paying about $42/month for local phone service with no long distance and no bells and whistles features. To top it off, my local service (SBC) was constantly trying to charge me for local long distance calls, a feature I had requested they turn off every time they tried to charge me.
To make a long story short, I switched over to Vonage and now pay $16/month (after taxes get added in) to use 500 minutes of any time talk (long distance included) as well as all the bells and whistles like caller id, 3-way calling, callback, voicemail, etc. I can now check my voicemail from any web browser or phone, and I can even set up virtual phone numbers for an extra $5/month that allow my to create virtual local numbers in other cities where I have family. This feature is great because I can create a local phone number in New York, and all my friends and family can use that number to call me, and I still have my regular number for local calls in my home city.
The service has been very reliable, and the voice quality has been near perfect. For the price, I would recommend anyone with high-speed internet access give it a try. You can go month to month at the same price and cancel at any time if you don't like it. SBC (or whomever your local phone carrier is) will suring be calling you weekly to try and get you back, so worst case you go back to them with a better deal... =)