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Voice over EthernetSIP Trunk service for large enterprises
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Objectives
• Appreciate where SIP Trunks fit in
• Understand a typical deployment architecture
• Work out when SIP Trunks are ideal
• Establish some great questions to ask vendors
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A little more about our Group
• UK’s leading provider of B2C and B2B data networking and telephony services 4.25M broadband base (‘10: 4M)
• £500M+ investment in UK’s largest Next Generation Network2003 unbundled exchanges (89%coverage)Three times more than BT, twice as many as C&W
• UK’s largest Ethernet network1000+ exchange PoPs - deployed in only 5 months - expanding to 1400
• More VoIP traffic than any other UK networkOver 250Gbits/second, 2 Billion total VOIP minutes
• Successful, profitable and growing£1.7Bn revenue - up 21.7%, £230M EBITDA
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TalkTalk Group networkUK’s deepest built multi-service NGN
2003 enabled MPF & SMPF exchanges• Planned growth to 2700 (significantly more than
any other)
Supported by 2 x 800 Gigabit UK corenetwork - 1.6TB around London
Giving Gigabit access to 1800+exchanges
Enabling 1800 Ethernet exchanges since
Jan 2010 (Significantly more than any other)
Conveys 200 Gbits/second data
More VoIP traffic than any other UK network• 11 Gbits/second• 2 Billion total VoIP minutes
(data accurate November 2010)
Core Network1.6Tb800Gb10Gb
DWDM Nodes
Collector Nodes
Unbundled Exchanges
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Our network is our advantage
• More unbundled exchanges than any other network
• Unique in having both SMPF (broadband-only) & MPF (line & broadband) infrastructure
• Coverage
• Capacity/speed
04/18/2023 CONFIDENTIAL 5
(data as reported on www.samknows.co.uk Dec 2010 plus TTG own data)
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Technology Model Shift
• Mature technologies• Multiple suppliers• Little differentiation• Price sensitive
• Application proliferation• Service Convergence• Underpinned by connectivity
Pre 2010 Individual delivery
of individual services
Post 2010 Converged connectivity integrated applications
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Voice over EthernetTalkTalk Business SIP Trunk service
• Business grade alternative to ISDN30
• Fully managed service from single supplier
• Cost effective for businesses with more than 120 voice channels
• Number and capacity flexibility
• Ideal solution for businesses with a high call volumes
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What is a SIP Trunk?
SIP Trunk?
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TalkTalk Business
SIP Trunks
SIP Trunk Service Architecture
Session Border Controller
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Why an SBC - what does it do?
• On-site monitoring and demarcation point
• Allows us to get MI on every call’s quality
• Provides a firewall between the network and LAN
• Enables legal intercept compliance
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Specification
Suitable for 120 - 750 voice channels perconnection
• Outbound calls with choice of presentation number
• 99.99% service availability on our resilient solution
• Voice quality to match ISDN30
• Target fix times backed by service credits
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End-to-end management• Project management from start to finish• Specialist design team ensures the capacity and resiliency you
need• We provide the full solution, only one supplier to call with all
queries
Monitored 24/7• In the unlikely event of a fault we provide a one hour response
and a target fix time of 5 hours
Cost-efficient• Directly connected to our network so there are no third party
costs
Benefits
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Reliability and quality• Voice over Ethernet is a fibre-based solution, which provides
significantly more reliability• Provides 99.99% availability with our resilient service
It’s flexible• Use a number of your choice for making outbound calls – the
presentation number• Also has the ability to terminate multiple geographic numbers
at one location
One trusted supplier• We deliver the complete end-to-end service, so we always take
full responsibility
Benefits continued…
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TalkTalk Business SIP Trunk serviceIssue SIP 1.0 Issues TalkTalk Business SolutionReliability Tier 2/3 operators –
Single points of failureTier 1Resilient & Mature Sonus NGN
Price Single solution with multiple suppliers
One supplier
Customer Services
Tier 2/3 operators not 24 x 7 Multi supplier - finger pointingSlow to fix
Tier 1 operator – 24 x 7One supplier Strong SLA
Availability Poor UK IP coverage 1800+ Ethernet Exchanges
Interoperability Multiple SIP Flavours Official vendor accreditation
Voice Quality Unmanaged service
ADSL focus
Managed Customer SBCMoSEthernet delivery
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SIP Trunk selection considerations
• Do I need more than 120 voice channels?
• Will I get a managed service and SLA with teeth?
• What if I want to keep my numbers?
• Is it connected to a great IP based NGN?
• Has the protocol been tested for interoperability?
• Can the carrier demonstrate cost savings?
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Objectives
Appreciate where SIP Trunks fit in
Understand a typical deployment architecture
Work out when SIP Trunks are ideal
Establish some great questions to ask vendors
This document is uncontrolled if printed or saved to a non authorised site.
Questions?
Please visit us on stand 612
