Sammanfattning: Cheap to buy and with low call rates; a great-value way to join the VoIP revolution DrayTek was one of the pioneers in the Voice-over-IP market. Over a year ago, the company was integrating support for the SIP system in routers such as the Vigor2500V....
Sammanfattning: VoIP is something of a dichotomy: you can use your PC to pay as you go; or get a subscription service that you can also use when your PC isnt on. more..
