Điện thoại IP Yealink SIP-T48G

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Yealink SIP-T48 là dòng điện thoại IP mới nhất của Yealink được thiết kế để đáp ứng nhu cầu của các doanh nghiệp. Yealink SIP-T48 đã xây dựng hai cổng Gigabit Ethernet, cổng Bluetooth USB Dongle, cũng như khả năng kết nối tai nghe có dây hoặc không dây. Điện thoại IP này hỗ trợ một số tính năng khác để nâng cao năng suất mà đặc biệt sẽ hấp dẫn các nhà quản lý và các chuyên gia bận rộn
Yealink SIP-T48G 16-Line Gigabit VoIP Phone
The Yealink T48G is a 16-line (with Firmware version V73) Gigabit SIP phone ideal for heavy phone use and traffic. The T48G has Yealink's Optima HD voice, supports Bluetooth headsets, and features a 7" color touch panel for swift, easy, and convenient switching between screens and applications.
Yealink SIP-T48G 16-Line Gigabit VoIP Phone Overview
The Yealink T48G is a fully functional Gigabit business VoIP phone that can quickly switch between screens on the 7" color display, rapidly handle calls and transfers, and deliver a superior UC experience. The T48G has Yealink's Optima HD voice technology for life-like conversations over the HD handset or a third party headset, regardless of wired or Bluetooth capability.
This particular addition to the SIP-T4 series offers a scratch resistant surface, metallic texture, non-slip rubber feet and ergonomic recessed buttons that helps it hold up to the demands of intense phone use. The Communicator uses SIP over Transport Layer Security (TLS/SSL) to provide service providers the latest technology for enhanced network security. The range is certified compatible with 3CX, Asterisk and BroadSoft Broadworks.

Yealink SIP-T48G VoIP Phone Features and Functions:
- 16-line (with Firmware V73 loaded) Appearances
- Dual-port Gigabit Ethernet
- Yealink Optima HD Voice Supported
- Up to 16 (with Firmware V73 loaded) SIP accounts
- Full-duplex hands-free speakerphone
- Supports Yealink EXP40 expansion module
- RJ9 Headset Port
- 7" 800 x 480-pixel color touch screen with backlight
- Wall mountable
Thông số kỹ thuật
Audio Features
- HD voice: HD handset, HD speaker
- Codecs: G.722, G.711(A/μ), G.723.1, G.729AB, G.726, iLBC
- DTMF: In-band, Out-of-band(RFC 2833) and SIP INFO
- Full-duplex hands-free speakerphone with AEC
Phone Features
- 16 VoIP accounts
- Call hold, mute, DND
- One-touch speed dial, hotline
- Call forward, call waiting, call transfer
- Group listening, emergency call
- Redial, call return, auto answer
- 3-way conferencing
- Direct IP call without SIP proxy
- Ring tone selection/import/delete
- Set date time manually or automatically
- Dial plan, XML Browser, action URL/URI
- RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035)
- Loal phonebook up to 1000 entries
- Black list
- XML/LDAP remote phonebook
- Intelligent search method
- Phonebook search/import/export
- Call history: dialed/received/missed/forwarded
IP-PBX Features
- Busy Lamp Field (BLF)
- Bridged Line Apperance(BLA)
- Anonymous call, anonymous call rejection
- Remote office, hot-desking
- Message Waiting Indicator (MWI)
- Voice mail, call park, call pickup
- Intercom, paging, music on hold
- Call completion, call recording
Display and Indicator
- 7" 800 x 480-pixel color touch screen with backlight
- 24 bit depth color
- LED for call and message waiting indication
- Wallpaper
- Intuitive user interface with icons and soft keys
- National language selection
- Caller ID with name, number and photo
Feature keys
- 29 one-touch DSS keys
- 7 features keys: message, headset, hold, mute, transfer, redial, hands-free speakerphone
- 6 navigation keys
- Volume control keys
- Illuminated mute key
- Illuminated headset key
- Illuminated hands-free speakerphone key
- Dual-port Gigabit Ethernet
- Power over Ethernet (IEEE 802.3af), class 0
- Built-in a USB port, support Bluetooth headset (Through USB Dongle)
- 1xRJ9 (4P4C) handset port
- 1xRJ9 (4P4C) headset port
- 1XRJ12 (6P6C) EXT port: Supports up to 6 Expansion Modules for an attendant console application
Other Physical Features
- Wall mountable (optional)
- External universal AC adapter (optional): AC 100~240V input and DC 5V/2A output
- Power consumption (PSU): 2.0-6.4W
- Power consumption (PoE): 2.4-10.5W
- Dimension(W*D*H*T):  266mm*226mm*185mm*54mm
- Operating humidity: 10~95%
- Operating temperature: -10~50°C
- 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
Network and Security
- SIP v1 (RFC2543), v2 (RFC3261)
- Call server redundancy supported
- NAT transverse: STUN mode
- Proxy mode and peer-to-peer SIP link mode
- IP assignment: static/DHCP/PPPoE
- HTTP/HTTPS web server
- Time and date synchronization using SNTP
- 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 using MD5/MD5-sess
- OpenVPN, IEEE802.1X
- IPv6
Package Features
- Qty/CTN: 5 PCS
- N.W/CTN: 8.2 kg
- G.W/CTN: 9 kg
- Giftbox size: 324mm*263mm*128mm
- Carton Meas: 660mm*338mm*273mm

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