voip phone

Product Introduction:

voip phone is provided by Szbeyond Tech Co. Ltd.,a major Outdoor Furniture supplier in Furniture & Furnishing wholesale industry in China.You can check out the specification of voip phone below or get any optional result clicking into the following keywords voip phone , voip phone , rj168-500 and you can check the authentications and testimonials of voip phone .

Description:
support sip rfc3261 rfc3262 rfc3265
support iax2
codec g. 711a / u, g. 7231 high / low, g. 729
echo cancellation: support g. 168, and hands-free
can support 96ms
full duplex hands-free speakerphone
support voice gain setting, jitter buffer, vad, cng
nat transverse
support stun client
sip support sip domain, sip authentication (none,
basic, md5) , dns name of server, peer to peer
sip support pubic & private server. can connect to isp and private sip server at the same time
sip support dual public server
dtmf support sip info, dtmf relay, rfc2833
sip application:
support call
forward / transfer / holding / waiting
call control features: flexible dial map, support
hotline, empty calling no. reject service, black list for
reject authenticated call, no disturb, caller id.
support conference call and voice record
english, spanish, czechoslovak alternative
network features
wan / lan: support bridge and router model
support basic nat and napt
support pppoe for xdsl
support dhcp client on wan
support dhcp server on lan
support dns relay, sntp client, firewall
network tools in telnet server: including ping, race route, telnet client
maintenance and management
support boot monitor
can upgrade firmware through boot monitor
can config through web, keypad, telnet
can upgrade firmware and configuration file through
http, ftp, tftp
support syslog