Have a nice day
This is Sarah from Zhengzhou Communication Co. LTD,.which is one of the leading companies in the VoIP field of China. We are providing all kinds of VOIP products, such as IP phone, gateway, USB phone, conference box，IP camera and so on. We have more than 50 certified engineers working for helping our customers. Our customers can contact us anytime for support from us. We are in this field for more than 7 years and we are giving online training also for our customers.
Now our new products were in hot selling, and in the memory of our company has founded 7 years, A series phone will sell much cheaper than before, quantity is limited, you’d better do a quickly buy! More information you can get from our website or contact me directly. Here, I’ll show you some of our new products:
• Performance and features
1RJ45 and 2RJ45 Ethernet port.SIP,IAX2 protocol support(POE optional)
Support SIP,IAX2 protocol
DHCP support for LAN or Cable modem
PPPoE support for ADSL or Cable modem
Audio codec G.711,G.723,G.729,GSM,iLBC
Blue back light
CALL WAIT、HOLD、TRANSFER supported
Set by HTTP web browser (IE6.0) or Telnet
Upgrade by FTP、TFTP or HTTP
VAD(Voice active detect)
CNG (Comfort noise generation)
G.168/165 compliant 16ms echo cancellation
Dynamic voice jitter buffer
Network interface:1/2 RJ-45 Ethernet connectors
• Performance and features
(4 FXS ,1 WAN ,1LAN) 1sip account ,support VPN,T.38FAX
Support SIP protocol
Have 4 FXS ports ,each FXS port can have one SIP account. It can be use the same SIP account for 4 FXS ports, but at that time, only one of the port can be used as callee, however, all port can be used as caller simultaneously.
But when they used the different SIP account, it can be used as caller or callee anytime.
Support Bridge and Router(NAT&NAPT) models.
TCP/UDP/IP, ICMP, HTTP, DHCP Client (WAN Interface), DHCP Server(LAN Interface), DNS Client, DNS Relay, SNTP, PPPoE, FTP, TFTP.
Voice Codec’s: G.711(A-law/U-law), G.723.1, G.729A/B
NAT penetration: STUN client, AVS and Citron etc. Can modify SIP register port, HTTP server port, Telnet server port and RTP port.
:) YUS20 USB PHONE
Seamless integration with Skype without need of any special drivers or plug-in software
Rings loudly on an incoming call
Fully functional keypad enables you to make/receive calls even easier
Hook switch allows for intuitive answering/ending Skype calls
Acoustically isolated speaker and microphone to eliminate echo
Full-duplex communication with crystal clear speech
Built-in headset jack
Hands-free microphone and speaker
Also compatible with other PC-based softphone applications,such as
MSN,Yahoo,Message,Xten,Dialpad,MediaRing,Net2phone and etc.
Supports Windows,Mac,Pocket PC and Linux
• Host System Requirements
Pentium 400MHz above processor/128MB RAM/16MB free hard disk capacity
One USB port available
Internet connection(ADSL,Cable Modem,Dial-UP,Wireless LAN)
As a very active manufactures, we develop new designs nearly every month, If you have interest in it, it’s my pleasure to offer news to you regular.
Waiting for your early information
E-mail:email@example.com or firstname.lastname@example.org