2017-11-28 16:39:50 作者: 来源:Asterisk微信公众号 评论:0点击: 很多情况下,我们会看到SIP header中支持了timer和Replacs header。我们在前面的讲座中已经提到了timer的用法,今天我们来介绍一下replaces header的使用场景和控制流程。 根据 RFC3891的定义,Replaces header 简单 ...
2018-12-28 09:37:18 作者:james.zhu 来源:CTI论坛 评论:0点击: 在VOIP的环境中,特别是基于SIP通信的环境中,我们经常会遇到一些非常常见的问题,例如,单通,30秒就断线,注册问题,回声等。这些问题事实上都有非常直接的排查方式和解决办法,用户可以按照 ...
In our last VoIP installment, we looked at the main reasons why SIP has become a widely adopted protocol, but we left details of the protocol’s inner workings fairly vague. This article will drill ...
Whether you are working with Avaya, Cisco, Microsoft, or BroadSoft, you will encounter proxies, registrars, and back-to-back user agents. Enterprise Connect is a just a month away, and I am in the ...