1,SIP 2.0(RFC3261)correlative RFCs
2,2 sip registration
3 3 way conference call
4.support Bridge

Telephone wholesale low price voip ip phone /2 sip voip sip telephone/HD voice voip telephone   

Product Description

2 line voip telephone

YX-211 is a kind of voice communication terminal which is based on wide band and independent of PC (personal computer).

Basic Features

Support 2 sip line

Codec:G.711A/u, G.7231 high/low, G.729a/b, G.722,

Echo cancellation: G.168 Compliance in LEC, 

additional acoustic

echo cancellation(AEC) can reach 96ms max filter length

in hands-free mode

Support Voice Gain Setting, VAD, CNG

Full duplex hands-free speakerphone


NAT transverse:support STUN client

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Application Features

SIP application:support Call forward/transfer/holding/

waiting/3 way call/

call park/join call/click to dial

SIP support SIP domain, SIP authentication (none, basic, MD5), 

Peer to Peer call

Call control features: flexible dial map, hotline, 

empty calling no.

 reject service,

black list for reject authenticated call, white list,

 limit call, 

no disturb, caller ID,

Incoming calls /outgoing calls / missing calls.

 Each support 100 records

Support Phonebook 500 records

10 kind of ring type

Support Conference

Support Mute

Support MWI

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Network Features

WAN/LAN: supports Bridge

Support PPPoE for xDSL

Support DHCP client on WAN

Support SNTP Client, Firewall

Support main DNS and seconary DNS server

Support VLAN

QoS with DiffServ

Network tools in telnet server: including ping, trace route,

 telnet client

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Maintenance and Management

Web ,telnet and keypad management

Management with different account rights

Upgrade firmware  through POST mode

Safe mode provide reliability

Support Auto Provisioning

(upgrade firmware through HTTP, FTP or TFTP)

Support Syslog

Picture show

Price and support

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we are manufacturer and can give you factory price. we can give you professional free support services with the help of our technology support engineers

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Packaging & Shipping



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Company Information

YX International Information Co., Ltd is a manufacturer of GOIP GATEWAY, CDMA gateway, VOIP Products,  GSM Modem ,Voice Recorder and IP Phone with well-equipped testing equipment and strong technical force. Which is found in 2007, with almost 5 years export experience .

* Through the effort of our entire staff, currently, YX Co., Ltd is already exported to Bangladesh,America, European, Middle east,  South Aisa, Southeast Aisa and 20 other countries and regions

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Our Services

>We provide stronge tech support about VOIP server and A-Z termination. (6 days*12 hours)

>We can help you rent a VoIP server in USA.

>We can provide copy version VOS.

>We can install Relay server, SMS server,SMB server for you.(for free)

>We can offer voip terminal guide.

>We may need your termina routes.

>We offer full tech support untill your gateway runs.

new wifi ip phone,please click the picture 

*Products Series:
GOIP Gateway
WCDMA Voip gateway
CDMA Voip gateway
GSM modem
IP Phone
FXS gateway
SIM Bank

phone call recorder 

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contact me

Any inquiry ,please contact me

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FOB Price: US $ 29 - 42 / Piece | Get Latest Price
Minimum Order:
Port: shenzhen
Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram,paypal

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