A VoIP phone uses Voice over IP (Voice over Internet Protocol) technologies for placing and transmitting telephone calls over an IP network, such as the Internet, instead of the traditional public switched telephone network (PSTN). An adapter connects VoI
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Cisco ATA 191
£40.61 -
Cisco ATA 192
£47.34 -
Grandstream Networks HT812 VoIP telephone adapter
£38.06