How To Never Pay A Hotel Phone Bill Again
Session Initiation Protocol (SIP) is a signaling protocol for establishing sessions in an IP network. But if you are like most of us, that means nothing to you. In layman's terms, SIP is a method by which various computers can talk to one another so that they can complete voice calls. The protocol is increasingly being adopted as the standard means by which computers communicate to facilitate VoIP or Voice Over Intern...