You still need to buy the base station Grandstream’s DP720 wireless IP phone is a budget-friendly entry into the VoIP space and supports up to 10 SIP accounts per handset. The base station ...

[Voidon] put his skills to the test and converted one to VoIP using ... a mini-USB wifi dongle, and soldered a new USB connector to the sound card. [Voidon] also couldn’t get the phone’s ...