2019-08-12 14:12:19 作者：james.zhu 来源：CTI论坛 评论：0点击： 网络安全是互联网发展中最为关键的问题。在基于VoIP/SIP协议部署 ...

Voice over internet protocol (VoIP) services transmit telephone calls over high-speed internet connections rather than over traditional land-based telephone lines. They do not usually travel directly ...

Why Most Buyers Can Ignore the Question of SIP vs VoIP Your email has been sent Discover the differences between SIP vs VoIP and why those differences don’t really matter that much during the buying ...

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 ...

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