Toshiba Confidential SESSION INITIATION PROTOCOL Presented by: Philipe BC DaSilva 1 Toshiba Confidential WHAT IS SIP? SIP is open, non-proprietary standard.
Developed by IETF (Internet Engineering Task Force). The Session Initiation Protocol (SIP) is the IETF standard for the establishment of multimedia sessions such audio, video, instant messaging, or real-time data communication sessions. Seamlessly integrates with the internet. SIP is a text-based protocol, similar to HTTP and SMTP, for initiating interactive communication sessions between users. 2 Toshiba Confidential
WHAT IS SIP? SIP is truly an internet-model protocol using ADCII message based on HTTP. SIP support URL (with DNS). Easy to decode and troubleshoot , it means web-type applications can support SIP services with minimal changes. Easy integration and ability to inter-operate with other protocols and vendors. SIP is flexible and scalable VoIP solutions. Call setup is quick and incurs low overhead. The handshake and data exchange to initiate a call is minimal compare to H.323.
3 Toshiba Confidential Integration with IETF Other IETF protocol standards can be used to build a SIP based application. SIP can works with existing IETF protocols, for example: RTP Real Time Protocol -to transport real time data and provide QOS feedback. RTSP Real Time Streaming Protocol - for controlling delivery of streaming media. SAP Session Advertisement Protocol - for advertising multimedia session via multicast.
SDP Session Description Protocol for describing multimedia sessions. MIME Multipurpose Internet Mail Extension standard for describing content on the Internet. HTTP Hypertext Transfer Protocol - HTTP is the standard protocol used for serving web pages over the Internet. 4 Toshiba Confidential SIP Architecture SIP Gateway
RTP carries the media directly between the endpoints 5 SIP Header Toshiba Confidential SIP borrows much of the syntax and semantics from HTTP. A SIP messages looks like an HTTP message message formatting, header and MIME support.
An example SIP header: ----------------------------------------------------------------SIP Header ----------------------------------------------------------------INVITE sip:[email protected] SIP/2.0 Via: SIP/2.0/UDP 192.168.6.21:5060 From: sip:[email protected] To: Call-ID: [email protected] CSeq: 100 INVITE Expires: 180 User-Agent: IP Phone/ Rev. 1/ SIP enabled Accept: application/sdp
Contact: sip:[email protected]:5060 Content-Type: application/sdp 6 Toshiba Confidential SIP Phone- UIP200 1) Call Origination (Make a call) 2) Call Termination (Answer a call) 3) Talk 4) Disconnect (End a call)
Cheap and inexpensive compare to IPT Phones 7 Toshiba Confidential Features and Specification 8 Toshiba Confidential
The Eight Questions The eight question and answers on pages 260-261 in The Spirit Catches You and You Fall Down highlight fundamental questions about the nature of perception and how culture impacts the way we see the world.
2. None of the sessions will be recorded or photographed. 3. Written records summarizing the contents of the discussions and the therapist's diagnosis and treatment plan will be maintained in the Student Health and Counseling electronic behavioral health record at...
Introduction to Prestressing CE 572 Purdue University School of Civil Engineering Julio Ramirez Definition of Prestressing It consists of preloading the structure before application of design loads in such a way so as to improve its general performance.
There were 885 manufacturing firms located across the City. Over 70 per cent of those were located in the east side of Brampton (east of Highway 410). Employment in the manufacturing industry stayed relatively the same from 2013 to 2015,...
Momentum Any object that has both mass and velocity has MOMENTUM. Momentum (symbol "p") is simply given by the formula: Momentum = Mass x Velocity P (in kgm/s) (in kg) (in m/s) V M What is the momentum of the...
www.learnalberta.ca. These sites will be added to my Weebly website as well. Daily Homework: Mandatory component of the TLC program. Begins on Friday September 13th and is due on Thursday the 19th . The homework should take up to 10...
Cannot plate, coat, treat or wash the material to comply - analysis is on the base metal (per DTSC protocol) Excludes Backflow preventers which protect/separate potable water systems from non-potable services such as irrigation, industrial and laboratory use. California Lead-Free...
Research has shown that… Personality traits (e.g. neuroticism, introversion) as significant predictors of language anxiety (Dewaele 2002, 2013; Dewaele & Al-Saraj, 2015).. Recent idiodynamic view of language anxiety and emotions: tendency to fluctuate over time
Ready to download the document? Go ahead and hit continue!