Yealink SIP-T27G - Uygun maliyetli Çok hatlı IP telefon (AR)

Yealink T27G IP Telefon (SIP VoIP Telefon) (AR)

Telefonun kullanıcı arayüzüne daha hızlı yanıt و daha iyi cihaz performansı ile T27P'nin yükseltilmiş ürünü olan SIP-T27G IP telefonu, Yealink'in üstün ses yeteneklerini و iş için artırılmış işlev genişletme yeteneğini birleştiren, zengin özellikli en son araçtır. Yealink Optima HD teknolojisi و Opus'un geniş bant codec bileşeni mükemmel bir ses kalitesi sunar و size gerçek bir ses iletişimi sağlar. Yepyeni bir USB bağlantı noktasıyla SIP-T27G, Bluetooth, Wi-Fi و USB kayıt özellikleriyle benzersiz işlevsellik و genişletilebilirliğe sahiptir. Sorunsuz bir şekilde GigE tabanlı ağ altyapısına geçirilen SIP-T27G IP telefonu, çok hızlı çağrı yönetimini kolaylaştıran Gigabit Ethernet ile de üretilmiştir. SIP-T27G, standart şifreleme protokollerini kullanarak yüksek düzeyde güvenli uzaktan sağlama و yazılım yükseltmeleri gerçekleştirir. (AR)

Audio Features

• HD voice: HD handset, HD speaker
• Wideband codec: AMR-WB (optional), Opus*, G.722 (AR)
• Narrowband codec: AMR-NB (optional), Opus*, G.711(A/µ), G.723.1, G.729, G.729AB, G.726, iLBC (AR)
• DTMF: In-band, Out-of-band(RFC 2833) and SIP INFO (AR)
• Full-duplex hands-free speakerphone with AEC (AR)
• VAD, CNG, AEC, PLC, AJB, AGC

Phone Features

• 6 VoIP accounts
• One-touch speed dial, redial
• Call forward, call waiting, call transfer, call hold (AR)
• 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 flashdrive (AR)
• 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 (AR)

IP-PBX Features

• 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

Display and Indicator

• 3.66" 240x120-pixel graphical LCD with backlight (AR)
• LED for call and message waiting indication (AR)
• Dual-color (red or green) illuminated LEDs for line status information (AR)
• Intuitive user interface with icons and soft keys (AR)
• Multilingual user interface
• Caller ID with name and number
• Power saving

Feature keys

• 8 line keys with LED
• 8 line keys can be programmed up to 21paperless DSS keys (3-page view) (AR)
• 8 features keys: message, headset, conference, mute,hold, transfer, redial, hands-free speakerphone (AR)
• 4 context-sensitive “soft” keys
• 6 navigation keys
• 2 volume control keys
• Illuminated message key
• Illuminated headset key

Interface

• Dual-port Gigabit Ethernet
• Power over Ethernet (IEEE 802.3af), Class 3 (AR)
• 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 (AR)

Other Physical Features

• Color: Black
• Stand with 2 adjustable angles
• Wall mountable
• External Yealink AC adapter (optional)： AC 100~240V input and DC 5V/1.2A output (AR)
• Power consumption (PSU): 1.4-3.0W
• Power consumption (PoE): 1.7-7.0W
• Dimension (W*D*H*T): 265mm x 210mm x 170.5mm x 53.5mm (AR)
• Operating humidity: 10-95%
• Operating temperature: -10~50°C (+14~122°F) Management (AR)
• Configuration: browser/phone/auto-provision (AR)
• Auto provisionvia FTP/TFTP/HTTP/HTTPS for mass deploy
• Auto-provision with PnP
• Zero-sp-touch, TR-069
• Phone lock for personal privacy protection (AR)
• Reset to factory, reboot
• Package tracing export, system log

Network and Security

• SIP v1 (RFC2543), v2 (RFC3261)
• Call server redundancy supported
• NAT traversal: STUN mode
• Proxy mode and peer-to-peer SIP link mode (AR)
• 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 (AR)
• SRTPfor voice
• Transport Layer Security (TLS)
• HTTPS certificate manager
• AES encryption for configuration file
• Digest authentication
• OpenVPN, IEEE802.1X
• IPv6
• LLDP/CDP/DHCP VLAN
• ICE