User Manual
62
1.
Overview
This system is devolped by Gohigh Data Networks Technology CO.,LTD It offer
VPN service.It make the VoIP calling more safely ,more steady,and private
encryption . The vpn software include
endini.vpn,endvpn,initvpn,readme,vpn,vpnserv,vpnserv.conf
2 System feature
：
1. Easy to build up . it only to add a VPN transmission server in the exist
system,
2. All client must support Gohigh VPN protocol
3. It support h323 and SIP.
4. It build up a VPN tunnel between client and server
5. It build up a VPN tunnel between client and client
6. RTP and call control singal are encapsulated in the VPN tunnel
7. VPN tunnel support encryption extension
8. Inside network client can be called by VPN tunnel
9. Inside network client can be managemed by telnet ,http
3
．
System framework
All VPN system is include three part,: initialization server , VPN transmission
server ,Clent
3.1 Initialization Server
：
It offer transmission server address and port for client.
Each client that want to use VPN must configure initialization server address
and port by manual.
3.2 VPN transmission server
：
It distribute client virtual ip address in the server
All client packets must send to VPN transmission server,and transmit by it.
3.3 Clent
That is our IP phone and Gateway
At present , Initialization server and VPN transmission server are in one server .
