The Design And Implement Of VOIP System

The develOPment of VOIP technology and services has made a deep.affection to the ttaditional telephony service, esPecially to the=Intemational or National Direct Call servicq. How to setuP one set ofVOIP network architectUre and to develop the VOIP devices suitable;fOr our country have been the value question$. ln this paPCr, the IPTELH SYSTEM one of the IP 3Prbjapts of Guangdong;Telecommunication Academy of Science alld Tedriology (GSTA, isdiscussed.After the intrOduction of VOIP system and fH.323: protocol, tWo set of ;VOIP architecture are discussed in this paPer. Host-Based Gateway fMedia Gateway and GatekeePer are also analyZed deePly Finallysome VAS services, such as Web800 and PC-PHQNE, are advanced.