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SIP dilivery methods and ROI

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2009

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SIP dilivery methods and ROI

  1. 1. Mark Bilton-Smith President SIP mark.b@rio.com Session Initiation Protocol VoIP (SIP) Trunking – Quality Delivery Methods and ROI
  2. 2. SIP trunk is … A transport protocol offered by LEC - ILEC - CLEC - ITSP that connects a company's IP PBX – Hybrid PBX or ? to the existing telephone system infrastructure PSTN via a managed data service or Internet connection using the SIP VoIP standard.
  3. 3. Other VoIP protocols • Megaco (a.k.a. H.248) and MGCP both media gateway control protocols • Skinny Client Control Protocol proprietary protocol from Cisco • MiNET proprietary protocol from Mitel • CorNet-IP proprietary protocol from Siemens • IAX the Inter-Asterisk eXchange protocol used by the Asterisk open source PBX • Skype a proprietary protocol used in the Skype application • Jajah a proprietary peer-to-peer protocol used in the Jajah SIP and IAX compatible webphone • Jingle open peer-to-peer protocol based on XMPP (Jabber) and being harmonized with the Google “Google Talk” protocol.
  4. 4. SIP trunk bandwidth required… http://www.erlang.com/calculator Great website to calculate your bandwidth requirements In order to achieve toll quality voice you provider must deliver uninterrupted Data at >150ms Latency >30ms Jitter <1% Packet loss for voice 0% for Fax
  5. 5. Delivery methods Bandwidth … Unmanaged Internet Least expensive and does not include Quality of Service and may not meet the requirements for Toll Quality Voice. Managed Data Service More expensive but provides Quality of Service and ensures the Toll quality voice your business relies on. Examples of Managed service Must be dedicated to the provider • Broadband or DSL • Data T-1 • Data DS-3 • MPLS • Metro Ethernet (Redundant) • Copper over Ethernet (Redundant) • Bonded Broadband (redundant) • Fiber
  6. 6. Delivery methods
  7. 7. Delivery methods
  8. 8. Delivery methods
  9. 9. Delivery methods
  10. 10. Delivery methods
  11. 11. The Gotcha’s • 911 • Unmanaged delivery (Internet) • Compression G.711 - G.729 • Gateways and IAD’s • Interopibility B2BUA - SIP Proxy - IAD • Firewalls (NAT traversal) B2BUA - SIP Proxy – IAD • Analog Fax and Modem ATA – T.38 • Redundancy PSTN – Dual data pipes
  12. 12. Pricing Models and ROI POTS vs. SIP trunks (Includes Taxes and surcharges) Pots $35.00 SIP Trunks $15.00 T-1 vs. EOC (3 year term – No taxes or surcharges) Data T-1 (1.544 mbps) $ 399.00 + EOC (3 x 2 mbps) $ 99.00 EOC (15 x 2 mbps) $ 199.00 EOC (25 x 2 mbps) $ 349.00 Enterprise EOC (8 mbps) $ 399.00 T-1 or PRI vs. Dynamic SIP PRI T-1 (3 year term – No taxes or surcharges) T-1 or PRI $ 499.00 + Dynamic $ 249.00 20 SIP Trunk Bundle $ 199.00 DID’s 15 cents each LD bundles is as low as 2.5 cents a minute Hosted IP Business telephones Hosted service per phone $24.95 (Includes SIP trunks, DID’s & features) *Beware of inflated DID costs and Local call pricing.
  13. 13. Questions SIP Mark Bilton-Smith President Mark.b@rio.com Session Initiation Protocol Thank you

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