为领导、长者、特殊行业应用而设计的大白机。

大白机电话机的优势：

1. 大屏幕：3.5" 192 x 64像素的带背光黑白屏。

2. 大键盘、大按键。

3. 大音量。

声音特性

> HD voice: HD handset

> Wideband Codec: G.722, Opus, AMR-WB(Optional), G.711WB(Optional)

> Narrowband Codec: G.711(A/u), iLBC, G.729A/B, G.723, G.726, AMR-NB(Optional)

> DTMF: In-band, RFC 2833 and SIP info

> Full-duplex hands-free speakerphone

> VAD, CNG, AEC, PLC, AJB, AGC

显示和提示

> 192 x 64像素，3.5寸大屏幕，带背光LCD

> 16 bit depth color

> LED for call and message waiting indication

> Intuitive user interface with icons and soft keys

> 多用户管理界面

> Caller ID with name and number

> Power saving feature Management

> Configuration: browser/phone/auto-provision

> TFTP/HTTP/HTTPS for Auto Provisioning

> TR069（TR104/TR106）

> Reset to factory, reboot

> Package tracing export, system log

> DNS/DNS SRV (RFC 1706, RFC 2782)

> NAPTR for SIP URI lookup (RFC 2915)

> Cloud device management: FCMS

> DHCP server and DHCP client

IP电话特性

> 2 SIP账号

> Call hold, mute, DND, redial, auto answer

> One-touch speed dial, hotline, SIP message

> Call forward, call waiting, call transfer (attended/blind)

> Paging, 支持intercom对讲

> 3-Way三方通话

> Direct IP call without SIP proxy

> Set date time manually or automatically

> 数图

> IP冲突检测

> 2.4 GHz Wi-Fi

> 4个DSS速拨键（A、B、C、Help）

目录

> 2000条电话簿

> 黑名单

> XML/LDAP远程电话本

> Phonebook搜索、导入、导出

> Call历史记录: dialed/received/missed (60 records)

IP-PBX 特性

> Anonymous call, anonymous call rejection

> Voice mail, call park, call pickup

> Message waiting indicator (MWI) Feature Keys

> 2 Line keys

> 4 Features Keys: home, hold, redial, hands-free speakerphone

> 4 Soft Keys

> 2 Navigate Keys

> Volume+/- Interface

> 2x RJ45 Ports (Ethernet 10/100 Base-T)

> Support PoE

> 1 x RJ9 Handset port

> 1 x Power adapter

其他特性

> 颜色: 珍珠白色White

> Stand with 3 adjustable angles

> 可挂墙

> 电源: 100~240V, 50~60Hz DC Output: 5V, 1A

> 功耗 (PSU): 1.5-3.5W ，在PoE情况下 1.9-4.5W

> 尺寸(W x H x D x T): 190mm x 188.5mm x 173mm x 41.5mm

> 湿度: 10%~90% (无冷凝)

> 存储温度: -25~ 65°C

> 使用温度: 0~45°C

网络和安全Network and Security

> SIP v1 (RFC2543), v2 (RFC3261)

> SIP server redundancy supported

> NAT Traversal By STUN

> 支持Proxy注册模式和 SIP点对点呼叫

> IP地址: Static IP and DHCP

> HTTP/HTTPS web server

> SNTP时钟同步

> SDP (RFC 2327) ，UDP/TCP

> Mutil-VLAN, DSCP and 802.1p QoS

> SRTP

> TLS

> HTTPS certificate manager

> AES encryption for configuration file

> Digest authentication

> VPN：PPTP, L2TP, OpenVPN

> IPv4 /IPv6 ,Dual stack IPv4/IPv6

> RTP/RTCP (RFC 1889, RFC 1890)

> ARP/RARP (RFC 826/903)

> IEEE802.1Q VLAN/802.1p/DSCP

> SNMPv2

> LLDP/CDP/DHCP VLAN

包装信息：

每箱10个装。

每箱重量 10.7 kg。

单台纸盒尺寸: 270mm x 195mm x 78mm 

每箱尺寸：430mm x 430mm x 290mm

质保1年。