there is a lack of conference control module in the definition of sip. so, there is great meaning and value in studying teleconference system based on sip.
sip在定义中缺少实现电话会议系统的必要组件,因此,研究基于sip协议的电话会议系统具有极大的实际意义和应用价值。
teleconference system can be applied in varieties of vocations and work efficiency could be improved a lot by using it, which has been agreed to by people.
电话会议系统适用于各行各业,能够极大的提高工作效率,这已经得到人们的一致赞同。
in the test process, we has compared this system with teleconference system based on h. 323, gives the result report.
测试过程中与现有的基于h.323协议的电话会议系统相比较,给出了评测结果。
the teleconference system for state grid corporation of china is a large and complex network to provide special high level and large scale teleconference service.
国家电网公司电视电话会议系统是一个庞大复杂的特殊业务网络,主要用于召开大规模、高规格电视电话会议。
nowadays, most of teleconference system base on h. 323 protocol.
现行电话会议系统的主流是基于h.323协议体系。