What's up with SIP?
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The document discusses Session Initiation Protocol (SIP), including its applications, codecs, and components relevant for voice and video communication. It covers technical details such as SIP trunking, session management, and codec options, along with considerations for network configurations and bandwidth. Additionally, it promotes SIP training and certification through 'The SIP School', emphasizing its endorsement by the Telecommunications Industry Association.
What's up with SIP?
- 1. Graham Francis, CEO The SIP School
- 2. What SIP is SIP issues / Resolution SIP Trunking craziness SBCs and why? ITSP what’s on offer? Advice!
- 4. SIP SIP SIP
- 5. Sessions Initiates Protocol
- 6. Session Initiation Protocol - INVITE 1002 1003 Call 1003 Want to talk? SIP SIP From: ‘Bob’ <sip:1002@sipbiz.com> To: <sip:1003@sipbiz.com> Hold Video Hold Video SDP 1 2 3 1 2 3 Audio Codec – G711 or … Audio Codec – G729 4 5 6 4 5 6 7 8 9 7 8 9 * 0 # * 0 #
- 7. Session Initiation Protocol – 200 OK 1002 1003 Call 1003 Want to talk? SIP 1002 OK SIP From: ‘Bob’ <sip:1002@sipbiz.com> To: <sip:1003@sipbiz.com> Hold Video Hold Video SDP 1 2 3 1 2 3 Audio Codec – G711 or … Audio Codec – G729 4 5 6 4 5 6 7 8 9 7 8 9 * 0 # SIP 200 OK * 0 # SIP From: ‘Bob’ <sip:1002@sipbiz.com> To: <sip:1003@sipbiz.com> SDP Let’s use G711…!
- 8. Session Initiation Protocol – ACK 1002 1003 CallCall On 1003 ACK SIP On Call with 1003 with 1002 SIP From: ‘Bob’ <sip:1002@sipbiz.com> To: <sip:1003@sipbiz.com> Hold Video Hold Video SDP 1 2 3 1 2 3 OK, G711 it is….! 4 5 6 4 5 6 7 8 9 7 8 9 * 0 # * 0 # Voice ‘Stream’
- 9. Session Initiation Protocol – Video? 1002 1003 On Call Support Video? SIP On Call with 1003 SIP with 1002 From: ‘Bob’ <sip:1002@sipbiz.com> To: <sip:1003@sipbiz.com> Hold Video SDP Hold Video Audio Codec – G711, G729 1 2 3 1 2 3 Video Codec – H.264,H263,H261 4 5 6 4 5 6 7 8 9 7 8 9 * 0 # SIP OK * 0 # SIP From: ‘Bob’ <sip:1002@sipbiz.com> To: <sip:1003@sipbiz.com> SDP Let’s use G711 and H.264 Voice and Video ‘Streams’
- 10. Enable UC
- 12. Request for Comments ~ RFC They’ll love this! Awesome! Individual Working Group
- 13. SDP SIMPLE INFO Load Balancing P2P SIP REFER SIP Routing With ENUM Overload RTP for Control SIPREC
- 14. The road to compatibility 344 475 Can May 381 Option 144
- 18. 40% – 80% savings but not the only benefits!
- 19. Lines – You choose DDIs – How many? Virtual Presences Disaster Recovery Flexible Provisioning Branch 2 Branch £0?
- 20. By 300,000 channels PA Ofcom Communications Market Report, published in August 2011 Images courtesy of Gamma telecom
- 21. 2018 PSTN
- 22. SESSION BORDER CONTROLLER
- 27. Measure = 10 Trunks please Voice = G.711 @ 90Kbps Pipe = 10 x 90Kbps = 900Kbps If using a 2Meg link That’s ~ 44% for VoIP and the rest for Data – Fully loaded…..!
- 28. Measure = 10 Trunks please Voice G.711 @ 90Kbps Video H.264 approx. 250Kbps (min) Pipe = 10 x 340Kbps = 3.4Mbps If using a 2Meg link, oops!
- 29. ITSP Supply this line? Degradation Multiple lines needed? Cable, Ethernet?
- 35. Let’s leave the video this time L7 SIP ~ 192.168.1.1 L7 SIP ~ 192.168.1.1 77.128.13.88 L3 IP ~ 192.168.1.1 L3 IP ~ 77.128.13.88 L7 SIP ~ 192.168.1.1 77.128.13.88 L3 IP ~ 77.128.13.88
- 37. What? ITSP Network Your PBX REGISTER SIP Registrar Client X 10 Trunks Authentication G.711 Authorization Call Rates Encryption Voice – YES • Signalling Video -Traffic • Voice NO
- 38. SESSION BORDER CONTROLLER
- 39. ITSP Network Your PBX REGISTER SIP Registrar Secured G.711 G.711 to G.729 G.729 SIP Signaling Media
- 40. So, do you have this device that will do it all for you?
- 41. Does the Provider tell you that you don’t need one?
- 42. ITSP Network ITSP ‘inner’ Client 1 Network SIP Registrar Client 2 Client 3 Client 4
- 44. PSTN ITSP Offerings Can we have our ‘old’ numbers please? We need some more DDI’s PBX Router That’s us Nocourse! Of problem Can I have a ‘London’ number? PSTN
- 45. PSTN ITSP Offerings We need more lines more our marketing push! Thwarted PBX SHA / TLS / SRTP Router I’ll do that! I can do that via our Web Interface PSTN
- 46. Ask ITSP Interop Qs Ask PBX vendors RFC Compliance?
- 47. Rental Price per Trunk/Channel/Session Unlimited Trunks for a fee / month Call charges
- 48. Interesting but we’re not done % yet! 50 40 30 ITSP 20 SBC 10 PBX 0 2011 2012 2013 18% had no problems at all
- 49. I Our Trunks Must are fine, it’s check.. hope not us! Our SBC Our PBX is good! is good!
- 50. NEW ONE PLEASE
- 51. SIP SSCA® SIP School Certified Associate SIP SSMP™ SIP Sales and Marketing Professional
- 53. The Telecommunications Industry Association (TIA), the leader in advocacy, standards development, business development and intelligence for the information and communications technology industry, has officially endorsed ‘The SIP School’ as the provider of choice for training and certification for Session Initiation Protocol (SIP).
- 55. SRTP Signaling Real Time JS Media engine SIP Voice / Video Gateway Data Internet Internet PC World Web server
- 57. FINAL SIP IS EVERYWHERE? Even here!
- 58. discount Code ~ UC2013 graham@thesipschool.com www.thesipschool.com