The Yealink T28P is a 6-line IP phone with an extra large LCD graphical display and DSS Keys. It features unrivaled sound quality and HD Speakerphone. The following codecs are supported by the Yealink T28P: Wideband Codec: G.722, voice spectrum between 50-7000Hz and Narrowband Codecs: G.711, G.726,
G.723.1/iLBC, G.729AB. The Yealink T28P provides 3-way conference call facilities as well as being headset compatible. Additionally the phone features Secure RTP, Digest authentication using MD5/MD5-sess, and Secure configuration file via AES encryption.
G.723.1/iLBC, G.729AB. The Yealink T28P provides 3-way conference call facilities as well as being headset compatible. Additionally the phone features Secure RTP, Digest authentication using MD5/MD5-sess, and Secure configuration file via AES encryption.
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