... is an internet based voice network phone terminal. SinoV-100BW IP phone adopts multiple voice control protocols and voice ... the existing bandwidth to provide PSTN quality voice service. SinoV-100BW IP phone supports SIP protocols, offers one Ethernet interface ... VoIP voice gateways to provide broadband IP voice service. SinoV-100BW use MYSON CS6221 chip. Base features:support WIFIvoice Featurescall ...