tailieunhanh - 563.13.2 VoIP and SIP Protocols

Session Initiation Protocol (SIP) - An IETF protocol for session establishment (RFC 3261): Locate the other party Negotiate what resources/media will be used in the session Initiate & terminate the session Media is transported on RTP and codecs are re-used from other call signaling protocols such as Leverages Internet Protocols and Addressing SIP is highly extensible Example: Presence & event platforms | VoIP and SIP Protocols Presented by: Milan Lathia VoIP Group: Milan Lathia, Nalin Pai, Zahid Anwar, Mike Tucker University of Illinois Spring 2006 Good morning everyone and welcome to the presentation on VoIP and SIP protocols. I am also from Nalin’s team and other members of our team include Zahid Anwar and Mike Tucker. I am an I2CS student and can’t make it to the presentation live and am thus doing it over recorded PPT. I have also added a lot of “speaker notes” with the slides. They can be downloaded and viewed as individual slides or in a full screen presentation, just right click and click on Screen -> view speaker notes. Agenda [We start where Nalin ends] Description of the VoIP & SIP Protocol A Communication Session SIP: Protocol (majority of presentation) VoIP: Protocol Administration Questions Next Steps We start the presentation from where Nalin left us. We will be covering the protocols, SIP and VoIP in detail. We start off with a communication session and then move on to SIP and VoIP details. We will mainly be covering the SIP protocol since VoIP has been for the most part covered extensively Nalin. If you have any questions during the presentation, please write them down. Since I can’t be available at the class time for this presentation, either one of my teammates will be able to answer it for you or you can post it to the newsgroup or you can email me. If it’s on the newsgroup or as an email, I will get back to you asap. We will also let you know what’s next for our team in terms of deliverables. A Communication Session Source: Avaya This diagram shows the different steps needed for a communication session. We will be using an analogy of Skype – since it’s a tool that our team has used to coordinate between 4 locations: Urbana – IL, Texas, Seattle – WA, and UK! The first step is user location. Over Skype/ MS Live Meeting/ NetMeeting/ Any of the IM messengers, it’s usually the IP address. User availability can be . | VoIP and SIP Protocols Presented by: Milan Lathia VoIP Group: Milan Lathia, Nalin Pai, Zahid Anwar, Mike Tucker University of Illinois Spring 2006 Good morning everyone and welcome to the presentation on VoIP and SIP protocols. I am also from Nalin’s team and other members of our team include Zahid Anwar and Mike Tucker. I am an I2CS student and can’t make it to the presentation live and am thus doing it over recorded PPT. I have also added a lot of “speaker notes” with the slides. They can be downloaded and viewed as individual slides or in a full screen presentation, just right click and click on Screen -> view speaker notes. Agenda [We start where Nalin ends] Description of the VoIP & SIP Protocol A Communication Session SIP: Protocol (majority of presentation) VoIP: Protocol Administration Questions Next Steps We start the presentation from where Nalin left us. We will be covering the protocols, SIP and VoIP in detail. We start off with a communication .

• Kĩ thuật Viễn thông
• SIP Protocol
• VoIP Protocol
• Session Initiation Protocol
• SIP Entities
• SIP Trapezoid
• SIP Call Flow
• International Journal of Computer Science & Communication Networks
• Adapting sip protocol to Ad hoc networks
• Virtual Network for SIP
• Illustration and evaluation of performance
• a lightweight
• transport independent
• text based protoco
• Network security
• attack techniques
• defensive techniques
• operating system security
• application security
• security policy
• Status of this protocol
• Current edition
• Suggestions for improvements
• Requests discussion