親,如果客服人員沒有及時回你的詢問,可加微信:gzbzy8
或者QQ:1280666778 每天24小時在線的!!
采用TI TITAN芯片組及TI音頻引擎
320160像素圖形化4級灰度液晶顯示屏
六線路,通過Broadsoft、Avaya、Asterisk認證
高清(HD)音質:HD 編碼, HD手柄, HD免提電話
外置48個按鍵, 其中包括16個可編程鍵
支持三方會議、短消息、語音信箱
支持線路共享(BLA)、占線指示燈(BLF)等高級功能
支持包括中文在內的20多種語言
支持多種自動配置方式: FTP/TFTP/HTTP/PnP
支持SRTP/TLS/HTTPS等加密協議
支持線路供電(PoE)、耳機、雙網口
可外接6個擴展臺,達228個按鍵
話機特性
支持6線路、熱線、緊急號碼呼出
支持呼叫等待、通話轉接、來電轉移
通話保持、靜音、自動應答、重撥
三方通話、免打擾、速撥號
XML遠程電話簿搜索/導出/導入
黑名單、通話記錄(100條)
音量調節、鈴聲選擇
國傢信號音、系統日志
多國語言(20多種)
支持6個擴展臺共228個按鍵
IP-PBX功能
呼叫規則,立即呼出
SMS短消息,語音信箱,MWI消息提示
BLF/BLA,對話機(Intercom),Paging
截答(Call pickup),Call Park
區別振鈴
音頻特性
寬帶編碼: G.722
窄帶編碼:G.711, G723.1, G726, G.729AB
支持VAD, CNG , AEC, PLC, AJB, AGC等音頻處理
全雙工免提,帶自動回音消除
網路特性
支持SIP v1(RFC2543),V2(RFC3261)協議
支持STUN內網穿透
支持三種IP獲取方式:靜態IP/DHCP/PPPoE撥號
支持三種DTMF模式:帶內(In-band)、RFC2833、SIP INFO
支持PC口橋接/路由模式
內置HTTP/HTTPS Web服務器用於配置管理
支持SNTP時間協議
支持Telnet
內置DNS/TFTP/FTP客戶端
配置管理
支持FTP/TFTP/HTTP/PnP方式的Auto provision
支持三種配置模式:網頁、話機及自動配置
支持IP直撥
支持通過SIP服務器撥號碼
支持通過SIP服務器撥URL地址
安全性
支持HTTPS協議(客戶端/服務器端)
支持SRTP協議(RFC3711)
支持TLS(Transport Layer Security)協議
支持QoS : IEEE 802.1p/q (VLAN)
支持信息驗證機製MD5/MD5-SESS
支持AES加密協議
支持話機鎖
支持管理員/用戶分層模式
物理特性
內嵌TI(美國德州機器)TITAN 芯片組
帶背光320160分辨率圖形液晶屏,四級灰度
外置共48個按鍵(含16個可編程按鍵)
1個RJ9(4P4C)手柄介面
1個RJ9(4P4C)耳麥介面
2個RJ45 10/100M以太網口
1個RJ12(6P6C)擴展臺介面
電源適配器:AC 100-240V輸入,DC 5V/1.2A輸出
支持以太網供電(PoE):IEEE 802.3af Class 2
功耗:1.6-2.6W
凈重:1.05KG
裸機尺寸:273×204×42MM
操作環境濕度:10-95%
儲存溫度:60℃以下
項目 | 參數 |
彩盒尺寸 | 310290x110 MM |
PCS/CTN | 5 PCS |
外箱尺寸 | 580320x295 MM |
N.W | 8.065 KG |
G.W | 8.915 KG |
Yealink® SIP-T28G
Yealink SIP-T28P represents the next generation VoIP phone which designed for the business user who needs rich telephony features, friendly UI and super voice quality. It is equipped with the TI TITAN chipset, offers high definition voice quality through TI voice engine, HD handset, HD speaker and HD codec (G.722).
By the large, high-resolution graphical display, and together with all the 48 keys, SIP-T28P offers an excellent user experience to configure, make calls, express XML browser, etc. Moreover, to avoid problems with unwanted violations of your audio data, Yealink SIP-T28P supports the security standards TLS, SRTP, HTTPS, 802.1x, Open VPN and AES encryption which are necessary to protect against electronic eavesdropping and data theft.
Specification
Phone Features
- 6 VoIP accounts, Hotline, Emergency call
- Call hold, Call waiting, Call forward, Call return
- Call transfer (blind/semi-attended/attended)
- Caller ID display, Redial, Mute, DND
- Auto-answer, 3-way conferencing
- Speed dial, SMS, Voicemail
- Message Waiting Indication (MWI) LED
- Tone scheme, Volume control
- Direct IP call without SIP proxy
- Ring tone selection/import/delete
- Phonebook (300 entries), Black list
- Call history: dialed/received/missed/forwarded
- Menu-driven user interface
- Localized language and input method
- Soft keys programmable
- Supports up to 6 expansion modules(EXP38 and EXP39)
- Supports Wireless Headset Adapter(EHS36)
Advanced Features
- XML phonebook search/import
- LDAP phonebook
- XML Browser, Hot-desking
- PUSH XML
- Action URL & Active URI
IP PBX System Integration
- Busy lamp field (BLF), BLF list
- Bridged line appearance (BLA)
- DND&Forward synchronization
- Intercom, Paging, Music on hold
- Call park, Call pickup
- Call recording, Call completion
- Group listening, Group pickup
- Anonymous call, Anonymous call rejection
- Network conference
- Distinctive ringtone
- Dial Plan, Dial-now
Codecs and Voice Features
- Wideband codec: G.722
- Narrowband codec: G.711μ/A, G.723.1, G.726, G.729AB
- VAD, CNG, AEC, PLC, AJB, AGC
- Full-duplex speakerphone with AEC
Network Features
- SIP v1 (RFC2543), v2 (RFC3261)
- IPV6
- DNS SRV (RFC3263)
- Redundant server support
- NAT Traversal: STUN mode
- DTMF: In-Band, RFC2833, SIP Info
- Proxy mode and peer-to-peer SIP link mode
- IP Assignment: Static/DHCP/PPPoE
- Bridge/router mode for PC port
- TFTP/DHCP/PPPoE client
- Telnet/HTTP/HTTPS server
- DNS client, NAT/DHCP server
- Logout
Management
- Auto-provision via FTP/TFTP/HTTP/HTTPS
- Auto-provision with PnP
- SNMP V1/2 optional, TR069 optional
- Configuration: browser/phone/auto-provision
- Factory configuration customized
- Trace package and system log export
Security
- Open VPN, 802.1x, VLAN QoS (802.1pq), LLDP
- Transport Layer Security (TLS)
- HTTPS (server/client), SRTP (RFC3711)
- Digest authentication using MD5/MD5-sess
- Secure configuration file via AES encryption
- Phone lock for personal privacy protection
- Admin/VAR/User 3-level configuration mode
Physical Features
- TI TITAN chipset
- 320160 graphic LCD with 4-level grayscales
- 48 keys including 16 programmable keys
- 1xRJ9 (4P4C) handset port
- 1xRJ9 (4P4C) headset port
- 2xRJ45 10/100M Ethernet ports
- 1XRJ12 (6P6C) EXT port
- Power adapter: AC 100~240V input and DC 5V/1.2A output
- Power over Ethernet (IEEE 802.3af)
- Power consumption: 1.6-2.6W
- Net weight: 1.05KG
- Dimension: 273x204x42MM
- Operating humidity: 10~95%
- Storage temperature: up to 60°C
批發市場僅提供代購諮詢服務,商品內容為廠商自行維護,若有發現不實、不合適或不正確內容,再請告知我們,查實即會請廠商修改或立即下架,謝謝。