Phone Features
1 VoIP account, Hotline
Call waiting, Call transfer, Call forward
Call hold, Mute, Redial, DND
3-way conferencing, Speed dial
Direct IP call without SIP proxy
Volume control, Ringtone selection
Tone scheme, System log export
Integrated Voice Response System
IP PBX System Integration
Music on hold
Call park, Call pickup
Dial plan, Dial now
Voicemail
Message Waiting Indication (MWI)
Distinctive ringtone
Voice Features
Wideband codec: G.722
Narrowband codec: G.711 /A, G.726,
G.729AB, G.723.1
VAD, CNG, PLC, AJB, AGC
Network Features
SIP v1 (RFC2543), v2 (RFC3261)
NAT Traversal: STUN mode
DTMF: In-band, out-of band (RFC2833) and SIP INFO
Proxy mode and peer-to-peer SIP link mode
IP Assignment: Static/DHCP
TFTP/DHCP client
Telnet/HTTP server
DNS client
Management
Built-in HTTP web server
Configuration: browser/phone/auto-provision/IVR
Auto provision via TFTP/FTP/HTTP/PnP
Auto provision for firmware, configuration, ringtone etc
Security
QoS: IEEE 802.1p/q tagging (VLAN), Layer 3ToS
Digest authentication using MD5/MD5-sess
Secure configuration file via AES encryption
Admin/user configuration mode
Connectivity

Physical Features
TI TITAN chipset
20 keys including 2 programmable keys
4 feature keys (Transfer/Hold/Mute/Redial)
Phone label
1 x dual-color LED
1 x RJ45 10/100M Ethernet port
Desktop with footstand (detachable),
Wall-mountable
Power adapter: AC 100~240V input and DC 5V/1.2A Output
Power over Ethernet
(IEEE 802.3af class 1) optional
Operating humidity: 10~95%
Storage temperature: up to 60 C

裝箱數(shù) : 10 ;
適用范圍 : 辦公 ;
重量 : 0.54（kg） ;
外形尺寸 : 520x470x220（mm） ;
接口形式 : RJ-45 ;
子機數(shù)目 : 無 ;
號碼儲存功能 : 有 ;
可視功能 : 無 ;
來電顯示 : 有 ;
錄音功能 : 無 ;
型號 : T18P ;
品牌 : YEALINK ;

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項目區(qū)域要求 : 全國;