You need to install a VoIP phone system with supported fax feature.
There are many companies that offer VOIP discounts. Examples companies that offer of VOIP discounts includes the website called Phone, Ax Voice, ITP, Phone Power, and Voipo.
Qwest Business DSL, T1 & Telephone Phone Services of Omaha offer VOIP options.
Many different companies offer Voip Business Phone systems. For example Phonebooth, Brooks Bell, LivingSocial, Swype, Pinger and Hope are several types of companies.
A voip system is basically using your computer as a messaging/telephonic device. And yes, they do indeed offer 911, you would be very safe with a voip, provided that there were no fast paced mishaps.
The companies which offer the best VOIP bandwith plans are companies such as the following: Cisco, Facet Corporation, I Primus, and the Phone Booth website.
Residential VOIP services are offered by companies like Ring Central, Phone Power, ITP, Phone Centric, Vocalocity, Easy Office Phone, VOIPO, Broad Voice.
There are many different brands that offer what you're looking for, but it depends on exactly what you're looking for. The most notable brands would be Linksys, Cisco, or Polycom since they are the most reliable.
lots of sites offer VoIP service. Check on sites like voip.com and phone.com. Vonage is also a great option if you need cheap service
All voip services will offer the ability to port your numbers to the new service. This will allow you to have your old number.
Some companies that offer business VOIP solution to customers are: Foehn, VOIP Office, VOIP Ditto, Mega Path, Phonebooth, Comcast, Ring Central, Timico, Jive, Phone, Ring by Name, 8x8, Velocity Works, Vocalocity, to name a few.
There are several telephone companies that offer this feature among others: AT&T, Verizon, Skytel, NwTel. You may also select a VOIP service that offers these service and there is a variety of applications that can be used for a cell phone.