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Sip Trunking Getting It Right The 1st Time

Sip Trunking Getting It Right The 1st Time from ITEXPO West 2010

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Sip Trunking Getting It Right The 1st Time

  1. 1. SIP Trunking Getting it Right the First time…! Graham Francis
  2. 2. SIP is Everywhere! Even here
  3. 3. ITSPSIPSIP SIP SIP PBX SBC
  4. 4. Such an old joke now!
  5. 5. The North American VoIP access and SIP trunking services market User base from 3.8 million users to 46 million users in 2016. Data from Frost & Sullivan
  6. 6. It’s an Obsession
  7. 7. 40% – 80% savings
  8. 8. 23 Lines Reqd
  9. 9. Lines – You choose DIDs – How many? Disaster Recovery Branch 2 Branch $0? Migrate - T1/E1 if nervous
  10. 10. Line Side – Trunk Side
  11. 11. Unified ClientsUnified Clients Unified Server Inc. Registrar and Location services Unified Server Inc. Registrar and Location services SIP IP PhonesSIP IP Phones DirectoryDirectory DNSDNS Messaging ServerMessaging Server GatewayGateway PBXPBX Firewall / NATFirewall / NAT ITSPITSP
  12. 12. • Voice and Data on Same Network • VLANS Implemented • TOS for Quality across the LAN • Ongoing Monitoring
  13. 13. • Bandwidth and Codecs • All about ‘The Edge’ • Multiple Sites • Which ITSP? • Stay ‘On-Net’ • SIP Connect
  14. 14. Bandwidth + Codecs
  15. 15. Call Traffic Measurement
  16. 16. Doing the Math, Sizing • History of trunk requirements / Measure • 10 Trunks • G.711 Codec = 64Kbps ~ 90Kbps • 10 x 90Kbps = 900Kbps Sharing connection with Data? QoS to allow 70% of link for Voice = 1285Kbps • ITSP Supply that kind of DSL line? • Degradation further from Exchange • Multiple lines • Cable or Ethernet Services
  17. 17. Quick SIP Trunks
  18. 18. Internet ISP Data Asymmetric DSL TDM / PBX ITSP TDM to SIP/RTP Gateway SIP Trunks SDSL TDM PBX + SIP Trunks
  19. 19. Data TDM / PBX TDM to SIP/RTP Gateway Voice Internet ISP ITSP Switch TDM PBX + Converged + SIP Trunks SIP / PBX
  20. 20. It’s all about the ‘Edge’
  21. 21. NAT SECURITY REMOTE USER QoS
  22. 22. REAL-TIME LOW PRIORITYMED PRIORITY HIGH PRIORITY No ‘QoS’ on the Edge…! www @  $$$
  23. 23. Packets Out SAP Email EF Default PolicePolice CBWFQCBWFQ Low Latency Queuing Packets In ‘Layer 3’ QoS Note: DiffServe Codepoint 101110 is recommended for the EF PHB. Hang on – 70% is your max! ClassifyClassify
  24. 24. QoS implemented REAL-TIME LOW PRIORITYMED PRIORITY HIGH PRIORITY www @  $$$
  25. 25. SESSION BORDER CONTROLLERS
  26. 26. Which ITSP?
  27. 27. PBX Router PSTN We need some more DDI’s Can I have a ‘London’ number? No problem Can we have our ‘old’ numbers please? Of course!That’s us  PSTN ITSP Offerings
  28. 28. PSTN ITSP Offerings PBX Router SHA / TLS / SRTPSHA / TLS / SRTP Thwarted We need more lines more our marketing push! I can do that via our Web Interface I’ll do that! PSTN
  29. 29. Decide ITSP / Lists?
  30. 30. Other Benefits
  31. 31. 2211 PBX 2PBX 2 PBX 1PBX 1 Primary IP 55.43.123.11Primary IP 55.43.123.11 Alternate IP 55.43.123.12Alternate IP 55.43.123.12 CEO HQ PSTN DISASTER RECOVERY
  32. 32. The All England Lawn Tennis and Croquet Club 300 – 400 Calls / Day Wimbledon 1000’s of people want tickets and information Increase Bandwidth and SIP Trunks Also add more SIP phones quickly Decrease after the tournament
  33. 33. Stay On-Net!
  34. 34. Multiprotocol Label Switching (MPLS) is a mechanism in high- performance telecommunications  networks which directs and carries data  from one network node to the next. MPLS  makes it easy to create "virtual links"  between distant nodes. It can  encapsulate packets of various network  protocols. MPLS
  35. 35. MPLS Customer VPLS Site A Site C Site B PSTN
  36. 36. ITSP Client PSTN You ITSP
  37. 37. ITSP Client PSTN YouYou ITSP
  38. 38. ENTERPISE TRUNKING
  39. 39. SIP Connect
  40. 40. PBX ITSP SIP Trunk Firewall/NAT
  41. 41. That’ll be in 1.1
  42. 42. Test Test test!!!!
  43. 43. The road to compatibility Option Can May Should344344 475475 381381 144144 Source Alan Percy  Audiocodes
  44. 44. Oct 5th Oct 6th
  45. 45. 16million
  46. 46. RFC >150 Docs >1000 Pages
  47. 47. NEW ONE PLEASE
  48. 48. AT&T BBC Cable and Wireless Carousel Industries Cedarpoint CenturyLink Cisco Deloitte Ingate IPC Level3 Microsoft Mitel Mtsallstream Nacr Nec America Polycom Shared Technologies Telematrix Telquest Verizon Virtualhold West Windstream Xeta
  49. 49. 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 The SIP School as the provider of choice for training and certification for Session Initiation Protocol (SIP). 12 CECs Credits AT&T BBC Cable and Wireless Carousel Industries Cedarpoint CenturyLink Cisco Deloitte Ingate IPC Level3 Microsoft Mitel Mtsallstream Nacr Nec America Polycom Shared Technologies Telematrix Telquest Verizon Virtualhold West Windstream Xeta
  50. 50. ITSP Checklist
  51. 51. 1. Measure Calling patterns, in / out / busy times to measure requirements 2. Internal = G.729 – customer = G.711 3. Multiple sites and Redundancy 4. Select your SBC device or work with ITSP to decide 5. QoS on the Edge if voice / Data on same connection 6. Select ITSP and find out what is the interoperability of your equipment with them
  52. 52. 7. Does ITSP have a lab to test re: PBX upgrades? 8. Do you have adequate security in place? 9. Take time to make change – it’s never smooth and business will get interrupted 10. Do/will ITSP offer advanced features such as Video, HD, Unified Comms etc. 11.Do you have an SLA or just a basic contract for service? 12. 90 day trial – test them out? Try all features – test their support team
  53. 53. So I’m leaving am I? So I’m leaving am I?
  54. 54. AT&T ask the Federal Communications Commission to create a timetable to shutdown the analog PSTN phone system in the United States. AT&T explains that “maintaining two networks - IP and PSTN is retarding the deployment of the newer broadband IP network”. [December 2009]
  55. 55. Thank You www.thesipschool.com Code = ITEXPO2010 = 10%

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