2021-08-30 11:01:49 作者：james.zhu 来源：Asterisk开源派 评论：0点击： 从这一章节开始，我们将正式介绍SIP协议以及和其应用相关的知识。在开始我们的SIP协议以及新IP通信网络技术概论之前，为了让部分基础用户能够比较全面掌握技术的完整架构，我们首先需要花费 ...

RTP 的 IP 地址，仅支持 IP 地址而不支持域名。虽然 RTP 标准说应该域名，但实际情况是域名解析有时不可靠。 SIP 的 IP。不支持域名。 UA 进行 hold 状态时默认播放的音乐。 使用哪个 NAT ACL。 扩展 INFO 解析支持。 NAT穿越，检测 SIP 消息中的 IP 地址与实际的 IP 地址 ...

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 ...

So whether you’re already ‘on board’ with IP, or still unsure, it’s important to stay on top of the merits and applications that continue to emerge, making SIP-based solutions a sound decision. SIP, ...

Session Initiation Protocol (SIP) is a control (signaling) protocol developed by the Internet Engineering Task Force (IETF) to manage interactive multimedia IP sessions including IP telephony, ...

So our phone system people are trying to setup a SIP trunk on our Mitel 3300 unit. I open up firewall ports and setup 1:1 NAT for the PBX's IP, everything looks like it should be OK. They are telling ...

ENGLEWOOD, CO--(Marketwired - Jun 17, 2015) - WOW! Business, a communications and cloud service provider, today announced that the company's comprehensive lab testing program has certified ...