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Yealink SIP-T19P E2. Display: LCD, Display resolution: 132 x 64 pixels, Display diagonal: 5.84 cm (2.3"). Phonebook capacity: 1000 entries. Voice codecs: G.711,G.722,G.726,G.729B. Networking standards: IEEE 802.1p,IEEE 802.1x. Security algorithms: HTTPS,MD5,SRTP |