Yealink Advanced IP Phone w/POE

- 3 SIP accounts, voicemail, MWI, hotline, emergency call- Call hold/waiting/transfer/forward/recording/completion- BLF/BLA, call park, call pickup, intercom, paging, dial plan- 3-way conference, DND, mute, speed dial, auto-answer- XML browser, XML phonebook, LDAP phonebook, black list, SMS- Volume control, rings selection, tone scheme, distinctive ringtone- Multi-language, system log, trace package export, admin/user modeNETWORK FEATURES- SIP 2.0, NAT transverse: STUN mode- IP assignment: DHCP / Static IP / PPPoE- Auto-provision for firmware, configuration, ringtone, phonebook etc.- Auto provision via TFTP/FTP/HTTP/HTTPS/PnP- Open VPN, TLS, 802.1x, VLAN QoS (802.1pq), ToS, DSCP- DTMF: In-band, RFC2833 and SIP info- Standard encryption and authentication (AES, MD5, AND MD5-sess)VOICE FEATURES- HD voice: HD codec, HD handset, HD speaker- FUll duplex speakerphone with AEC- HD wideband voice codec: G.722- Narrow band voice codecs: G.711, G.726, G.729AB, G.723.1- Supports VAD, CNG, PLC, AJB, AGC- Supports SRTP voice encryptionPHYSICAL FEATURES- TI TITAN chipset- Backlit 132x64 pixels graphic LCD with 4-level grayscales- 45 keys including 4 soft keys and 13 programmable keys- Supports up to 6 expansion modules (EXP38/EXP39)- 2 x RJ45 ethernet ports, 1 x RJ9 headset port- Power over ethernet (IEEE 802.3af) optionalYEASIPT26P