型号: | T21P |
---|---|
品牌: | Yealink |
原产地: | - |
类别: | 服务业 / 通信、投递 |
标签︰ | T21P , 电话系统 , 办公室电话 |
单价: |
HK $675
/ 件
|
最少订量: | 1 件 |
Phone Features
2 VoIP accounts, hotline, emergency call
Call waiting, call transfer, call forward
Hold, mute, flash, auto-answer, redial
3-way conference, DND, speed dial
Phonebook import/export, call history
Volume adjustment, ring tone selection
Tone scheme, System log
Multi-language (more than 20)
IP PBX System Integration
Dial plan, dial-now
Voicemail, MWI
Intercom, Paging
Call park, call pickup
Distinctive ringtone
Codecs and Voice Features
Wideband codec: G.722
Narrowband codec: G.711, G.723.1, G.726, G.729AB
VAD, CNG, AEC, PLC, AJB, AGC
Full-duplex hands-free speakerphone with AEC
Network Features
SIP v1 (RFC2543), v2 (RFC3261)
NAT Traversal: STUN mode
DTMF: In-Band, RFC2833, SIP Info
Proxy mode and peer-to-peer SIP link mode
IP Assignment: Static/DHCP/PPPoE
TFTP/DHCP/PPPoE client
Telnet/HTTP/HTTPS server
DNS client
NAT/DHCP server
Management
FTP/TFTP/HTTP/PnP auto-provision
Configuration: browser/phone/auto-provision
Direct IP call without SIP proxy
Dial number via SIP server
Dial URL via SIP server
Security
HTTPS (server/client)
SRTP (RFC3711)
Transport Layer Security (TLS)
VLAN (802.1 pq), QoS
Digest authentication using MD5/MD5-sess
Secure configuration file via AES encryption
Phone lock for personal privacy protection
Admin/user configuration mode
Physical Features
TI TITAN chipset
3-line LCD with an icon line and 2x15 characters lines
31 keys including 9 function keys
4 LEDs: 1xpower, 2xline, 1xmessage
1xRJ9 handset port
1xRJ9 headset port
2xRJ45 10/100M Ethernet ports
Wall-mounted
Power adapter: AC 100~240V input and DC 5V/1.2A Output
Power over Ethernet (IEEE 802.3af)
Power consumption: 1.4-2.6W
Net weight: 0.77kg
Dimension: 185 x 200 x 90mm
Operating humidity: 10~95%
Storage temperature: up to 60°C
权信科技有限公司提供一站式通讯系统解决方案及服务,由基本电话系统服务、互联网电话系统 (IP PABX)、互联网接驳、办公室网络铺设、终端机及伺服器安装;包括以下各类服务: 商业电话系统设备, 商业电话, 大型电话系统,中小型企业电话系统, 网络电话, 电话交换机, 功能电话系统,网络电话系统, 电话设备服务, 语音系统, 自动电话录音系统, 会议电话组合,免提听筒,网络监察系统,闭路电视保安系统, 标准型显示式电话分机, 网络传真系统, 传真伺服器,
留言信箱, 自动答话式系统, 电话答话录音系统, 语音网关, 互联网络电话系统
电脑网络 (CAT 5, 5e & CAT 6), 电话系统布线工程,电话配件
http://www.powertech.hk
香港权信科技有限公司 | |
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国家/地区︰ | 香港 特别行政区 |
经营性质︰ | 贸易商 |
联系电话︰ | 22326663 |
联系人︰ | 涂小姐 (职员) |
最后上线︰ | 2017/05/12 |