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PH531

General

-   Standard configuration of 2 VoIP accounts. Maximum of 4 VoIP accounts

-   2 x 20 character LCD

-   Wideband G.722 Codec

-   IPv4 / IPv6

-   WAN port and LAN port

-   Headset connectivity (check with your vendor for this option before order)

-   PoE (check with your vendor for this option before order)


Server Compliance

-   Asterisk / Broadsoft  / Alcatel / NEC / Avaya basic call features supported


Codecs and Voice Features

-   Narrowband codec: G.711μ/A, ILBC   

-   G.729

-   VAD, CNG, AEC, PLC, AJB, AGC   

-   Full-duplex speakerphone with AEC

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