Yealink SIP-T27G edustaa uuden sukupolven yrityskäytön IP-puhelintekniikkaa, jossa puhelimelta edellytetään monipuolisia teknisiä ominaisuuksia, laajennettavuutta, käyttäjäystävällistä käyttöliittymää sekäparhaita äänentoisto-ominaisuuksia. Laite on varustettu johtavalla TI TITAN -piirisarjalla, joka tuottaa HIFI- tasoista äänenlaatua TI -äänenprosessoinnin, HD luurin, HD kaiuttimen ja HD kodekin (G.722) avulla.
Ominaisuudet: • HD voice: HD handset, HD speaker • Wideband codec: AMR-WB (optional), Opus*, G.722 • Narrowband codec: AMR-NB (optional), Opus*, G.711(a/u), G.723.1, G.729, G.729AB, G.726, iLBC • DTMF: In-band, Out-of-band(RFC 2833) and SIP INFO • Full-duplex hands-free speakerphone with AEC • VAD, CNG, AEC, PLC, AJB, AGC • 6x VoIP accounts • One-touch speed dial, redial • Call forward, call waiting, call transfer, call hold • Call return, group listening • Mute, auto answer, DND • 3-way conference call • Direct IP call without SIP proxy • Ring tone selection/import/delete • Hotline, emergency call • Set date time manually or automatically • Dial plan, XML Browser, Action URL/URI • Integrated Screenshots • RTCP-XR, VQ-RTCPXR • USB port (2.0 compliant) - Bluetooth earphone through BT40 - Contact synchronization through BT40 - Wi-Fi through WF40 - USB call recording through USB flash drive • Enhanced DSS key • 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 • Busy Lamp Field (BLF) • Bridged Line Apperance (BLA) • Anonymous call, anonymous call rejection • Hot-desking, voice mail • Flexible seating • Call park, call pickup • Executive and Assistant • Centralized call recording • Visual voice mail • 3.66" 240x120-pixel graphical LCD with backlight • LED for call and message waiting indication • Dual-color (red or green) illuminated LEDs for line statusinformation • Intuitive user interface with icons and soft keys • Multilingual user interface • Caller ID with name and number • Power saving • 8 line keys with LED • 8 line keys can be programmed up to 21 paperless DSS keys (3-page view) • 8 features keys: message, headset, conference, mute, hold, transfer, redial, hands-free speakerphone • 4 context-sensitive “soft” keys • 6 navigation keys • 2 volume control keys • Illuminated message key • Illuminated headset key • Dual-port Gigabit Ethernet • Power over Ethernet (IEEE 802.3af), Class 3 • 1 x USB port (2.0 compliant) • 1 x RJ9 (4P4C) handset port • 1 x RJ9 (4P4C) headset port • 1 x RJ12 (6P6C) EHS port • 1 x RJ12 (6P6C) EXT port: • Supports up to 6 Expansion Modules • Color: Black • Stand with 2 adjustable angles • Wall mountable • External Yealink AC adapter (optional): - 100...240VAC input and DC 5V/1.2A output • Power consumption (PSU): 1.4-3.0W • Power consumption (PoE): 1.7-7.0W • Dimension (W*D*H*T): 265 x 210 x 170.5 x 53.5mm • Operating humidity: 10-95% • Operating temperature: -10...+50C • Configuration: browser/phone/auto-provision • Auto provision via FTP/TFTP/HTTP/HTTPS for mass deploy • Auto-provision with PnP • Zero-sp-touch, TR-069 • Phone lock for personal privacy protection • Reset to factory, reboot • Package tracing export, system log • SIP v1 (RFC2543), v2 (RFC3261) • Call server redundancy supported • NAT traversal: STUN mode • Proxy mode and peer-to-peer SIP link mode • IP assignment: static/DHCP • HTTP/HTTPS web server • Time and date synchronization using SNTP • UDP/TCP/DNS-SRV(RFC 3263) • QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP • SRTP for voice • Transport Layer Security (TLS) • HTTPS certificate manager • AES encryption for configuration file • Digest authentication • OpenVPN, IEEE802.1X • IPv6 • LLDP/CDP/DHCP VLAN • ICE |