Asterisk中如果使用了SIP协议进行通信，用户终端部署在外网。这样的话，不可避免会遇到语音单通的问题或者注册状态不稳定的问题。这些问题就是可能就是NAT导致。因为SIP和NAT的问题是一个非常复杂的问题，不仅仅涉及了Asterisk服务器本身，也涉及了企业网络的 ...

因为Asterisk中的SIP呼叫涉及了不同的网络环境，每个问题都需要依靠具体的日志消息来判断。作为一个系统管理员，虽然不需要发现熟悉和完全了解SIP的协议的使用环境，但是大家至少要了解一些基本的日志信息。这样的话，用户可以快速了解排查问题，找出 ...

SAN FRANCISCO, CA--(Marketwired - Apr 29, 2014) - To better maintain and utilize voice over IP systems, companies are taking advantage of SIP trunking. SIP (Session Initiation Protocol) trunking is a ...

Voxbone, a leading provider of international VoIP origination services to carriers, ITSPs, calling card operators, call centers and other businesses, today announced here at Astricon 2006 support for ...

SAN FRANCISCO, CA--(Marketwired - Jun 2, 2014) - SIP trunking is a system that maintains multimedia communications such as phone or video calls via the Internet. A SIP trunk provider is a business ...

Barrett Lyon has created a don't miss resource that shows you how to configure P2P SIP URI (Uniform Resource Identifier) dialing on your Asterisk-based PBX. "There are thousands of people that operate ...