HP Poly ATA 400 1FXS Voice Port VoIP Adapter with Open SIP and Power Supply. Voice codecs: G.711alaw, OPUS, Product colour: Black, Certification: FCC part 15 (CFR 47) class B, CE. VoIP protocols: SIPv2. Security algorithms: HTTPS. Power source type: DC, AC input voltage: 100-240 V, AC input frequency: 50/60 Hz. Country of origin: China

Make any phone an IP phone
Convert analog phones to digital IP phones – easily and benefit from the sustainable and cost-effective solution that allows you to retain existing phones, streamline management and faxing. No ethernet, Wi-Fi ^[1] enables VoIP access without ethernet.