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SIP: Understanding the Session Initiation Protocol Alan B. Johnston
Publisher: artech-house

Session Initiation Protocol (SIP) SIP is a signaling protocol widely used for voice and video. The intent of this paper is to offer the reader a basic understanding of the Session Initiated. SIP ( Session Initiation Protocol ) Definitions part 1. SIP(Session Initiation Protocol) and ITU-T recommendation H.323. DCF has also eliminated more than 20 percent of all the landline phones in the department and is taking advantage of Session Initiation Protocol (SIP) telephone technology. Johnston, quot;SIP: Understanding the Session Initiation Protocolquot; Artech Home Publishers | 2009 | ISBN: 1607839954 | 395 pages | File kind: PDF | three,THREE mb. €�SIP is an application-layer control protocol that can establish, modify, and terminate multimedia sessions (conferences) such as Internet telephony calls. The SIP configuration file (sip.conf) contains configuration information for SIP channels. The standard of its protocol uses open signaling technology to enable communication tools peer-to-peer. To understand what SIP Trunking is and why you should care about it, we have to first understand where your voice networks and your data networks are today. Session Initiated Protocol (SIP): A Five-Function Protocol. SIP provides five functions, uses a layered approach that gives it flexibility, and has an openness that enables new applications to utilize it. Session Initiation Protocol (SIP) was developed by the IETF (Internet Engineering Task Force). The Session Initiation Protocol (SIP) is a signalling protocol used for establishing sessions in an IP network. A session could be a simple two-way telephone call or it could be a collaborative multi-media conference session. Traditionally if your enterprise wants to connect to PSTN could, you would need BRIs, PRIs, PSTN gateways. Well, the material of The message of SIP is thought that the text is common sense and I think that I understand H.323 is composed of two or more protocols.