IP Phone solution
With the advancement of technology, a new communication method is emerging, that is IP phone. IP phone features low call cost, low construction cost, high extensibility and increasingly optimized call quality. Through the forms of hardware and software, IP phone realizes barrier free call between computer and computer, computer and phone, phone and phone. Breaking the defects of traditional telephone service such as high charges and difficult construction, IP phone has become the most promising and the fastest-growing communication method.

In fact, IP phone is a kind of phone application realized by communication network through TCP/IP protocol, and this kind of application mainly includes three internet phone businesses, i.e. PC to PC, PC to Phone and Phone to Phone. IP Phone is designed to realize the three kinds of business above. In phone to phone business, gateway is used as the bridge that connects PSTN and IP network. The voice signal introduced by PSTN is translated into IP data packet to transmit on IP network. For PC to phone business, the PC users log onto the gatekeeper and dial the called number directly. Through communication with gateway, IP data packet is transformed into of from PCM signal, so as to realize the purpose of talking with ordinary telephone users. Voice terminal is one of the main devices to achieve PC to PC and PC to phone businesses.

Brand: cisco, H3C, Star-net, Gohigh, Avaya