Among the VoIP series of products produced by Debole Technology, the relay proxy server is the only product that adopts non-standard protocol. It is a characteristic product developed according to the situation of network application in China's Mainland and its surrounding area.

At present, each ISP offers many kinds of accessing ways, including ADSL, Cable, MAN connection, district connection, etc.. While connecting Internet finally, users may need to cross several gateways, firewalls, and change the address.Because most users incline to cheap gateway products with single function, these products are not sure to offer network service with whole function. In a word, the present network structure on the market is intricate. Generally speaking, it can meet the demand for network application of such “one-way connections “as browsing webpage, transferring file and E-mail. But it does not work in the application of such "two-way connections" as H.323 IP phones. Otherwise, you need to do intricate configurations to network, which will limit the range of IP phone application in a high level.

The relay proxy server of Debole' Technology offers an ideal solution. It transfers all network data through the server, changing "one-way connection" into "two-way connection". Then it can pass through multiple gateways and firewalls, and simplifies users' configuration greatly, realizing "using simultaneously” of IP telephone.

Besides, this proxy server can be installed on such operating systems as Linux, FreeBSD, Solaris, etc.. The back end can connect many kinds of user's databases through LDAP, RADIUS.