Gatekeeper在H．323网络中的功能.

随着IP电话及会议电视等多媒体会议应用的逐步普及，在网络上传送H．323音频、

视频信息流的需求迅速增加 ，Gatekeeper(关守)的作用也越来越重要。本文简单介Gatekeeper的概念和功能。 -Gatekeeper in H. 323 network functions. With IP phone and video conferencing and other multimedia applications gradually spread. on the network transmission H. 323 Audio and video information flow rapidly rising demand, Gatekeeper (gatekeeper) the role has become increasingly important. Gatekeeper is simply referred to the concept and function.