【SIPの仕組み】SIP：VoIPなどで使われるテキストベースのセッション管理プロトコル VoIP普及の勢いは増すばかりだが、いっぽうで相互接続・運用のために必要となるプロトコルのほうは、いまだ決定的といえるほど収束していないのが現状だ。 これまで ...

This newly revised edition of the ground-breaking Artech House bestseller, SIP: Understanding the Session Initiation Protocol gives you a thorough and up-to-date understanding of this revolutionary ...

SIP is the Session Initiation Protocol. In IP and traditional telephony, network engineers have always made a clear distinction between two different phases of a voice call. The first phase is “call ...

Christiana Jolaoso-Oloyede writes for media publications, B2B brands and nonprofits. Using her research, analytical and writing skills from her training as a lawyer, she focuses on garnering accurate ...

What's VoIP's Big Security Problem? SIP Session Initiation Protocol (SIP) is a must for voice over IP (VoIP) communication. But by itself, SIP is insecure and easily hacked. Here's what you need to ...