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Yealink T21PE2 Enterprise HD IP Phone Entry-level IP Phone with 2 Lines

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Audio Features •Full-duplex hands-free speakerphone with AEC •Codecs: G.722 ( Wideband), G.711(A/µ), G.723, G.729AB, G.726 •DTMF: In-band, Out-of-band(RFC 2833) and SIP INFO •VAD, CNG, AEC, PLC, AJB, AGC Directory •Local phonebook up to 1000 entries •Black list •XML/LDAP remote phonebook •Intelligent search method •Phonebook search/import/export •Call history: dialed/received/missed/forwarded Phone Features •2 VoIP accounts •Call hold, mute, DND •One-touch speed dial, hotline •Redial, call return, auto answer •Call forward, call waiting, call transfer •Group listening, SMS •Local 3-way conferencing •Direct IP call without SIP proxy •Ring tone selection/import/delete •Keypad lock, emergency call •Set date time manually or automatically •Dial plan, XML Browser, action URL&action URI IP-PBX Features •Anonymous call, anonymous call rejection •Message waiting indicator (MWI) •Voice mail, call park, call pickup •Intercom, paging, music on hold •Call completion, call recording, hot-desking Display and Indicator •132x64-pixel graphical LCD •LED for call and message waiting indication •Intuitive user interface with icons and soft keys •National language selection •Caller ID with name, number Network and Security •SIP v1 (RFC2543), v2 (RFC3261) •IPv6, open VPN •NAT transverse: STUN mode •Proxy mode and peer-to-peer SIP link mode •IP assignment: static/DHCP/PPPoE

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