近些年随着网络技术的日趋成熟,VOIP被大规模的应用于各行各业以及生活中的方方面面。中油辽宁销售公司利用此项技术组建了电话系统,使语音不再游离于网络应用之外,融合网络带来应用革命。选型原则1、先进性原则。要遵循具有现实性,又适应下一代语音网络,且具有发展前景的技术 In recent years, with the maturing of network technology, VOIP has been widely applied to all walks of life and all aspects of life. CNPC Liaoning Sales Company used this technology to set up a telephone system so that the voice is no longer free from the network application, and the convergence network brings the revolution in application. Selection principle 1, the principle of advancement. To follow the reality, but also adapt to the next generation of voice networks, and has the prospect of development of technology