Transcription
AT&T IP Toll-Free ServicePresentation for Customer
Topics Covered AT&T Voice over IP Customer solutions AT&T IP Toll-Free Service⁃ Capabilities and features⁃ Features⁃ Network resiliency Moving forward2
AT&T IP Toll-Free ServiceEnterprise grade Inbound Voice over Internet Protocol(VoIP) calling service delivering toll-free calls to yoursites using Session Initiation Protocol (SIP) over theAT&T Multiprotocol Label Switching (MPLS) networkIncluded Capabilities: IP Features Toll-Free Advanced Features IP Toll-Free IP Transport⁃ AT&T VPN Service⁃ AT&T Dedicated Internet3
IP Toll-Free Customer Solutions AT&T has significant SIP experience and a broadSIP-based portfolio IP Toll-Free supports customers across industriesand segments Customers typically choose IP Toll-Free for:⁃⁃⁃⁃⁃4Reduced total cost of ownershipCentralization and consolidation through big SIP trunksCall compression – more calls per trunkScaling for peaksFull IP-enablement – IP Features and Futures
AT&T IP Toll-Free ServiceSIP Features(SIP Application Server)800 Advanced Features(NCP)IP Border ElementNetwork GatewayBorder Element1-8YYNGBE4ESSCallingPartyPSXPSTNLocal, InternationalAT&T GlobalMPLS NetworkCenter 2SIPTrunkAT&T VPN orDedicatedInternet SvcAgentsAT&T orCustomermanagedRouter*AgentsIntegrates seamlessly with traditional AT&T toll-free services 65Integrates seamlessly with traditional AT&T toll-free servicesUse Call Allocator to load balance between PSTN and IP termsUse RouteIT and BusinessDirect to manage both PSTN and IP termsContinue to use Alternate Destination Routing (ADR) for failover or Transfer Connect to move calls from one site to another*IP Toll-free supports US calling, Canada calling, US/Canada-to-Intl. calling, and Intl-to-US calling* IP Toll-Free on Alternate Destination Routing (ADR) is available with AT&T-managed routers onlyIVRIPBE4ESSPBXCenter 1PBX
Delivering key capabilitiesFully integrated IP toll-freeservice with routing acrossTDM and VoIP end-points withadvanced feature capabilitiesKey IP transfer connect features IP Courtesy Transfer (Post-AnswerTransfer) IP Redirect (Pre-Answer Transfer) IP InfoPack – Call Information Deliveryand optional Data Forwarding* Standard Svc: CPN, DNIS or DNSupports multiple CODECS tomaximize call volume throughput G.711, G.726, G.729A and G.729B toenable voice compression Call-by-call codec negotiation e.g. use G.711 for Speech Recognitioncalls, G.729 for Touchtone or Agent calls InfoPack: CPN, BN/ANI, DNIS, DN, OLI, UUI* CPN – Calling Party Number, BN/ANI – Billing Number, DNIS – Dialed Number Identification Service, DN – Dialed Number, OLI – Originating Line Information (cell phone, hotel, payphone etc), UUI – User to User Information (Avaya CPE only)6
Traditional featuresTraditional features supported Call routing features like Time andDay Manager, Area Code Routing,Call Allocator, etc. Announcement features like CallPrompter, En route Announcements,Courtesy Response, etc. Redirection features like AlternateDestination Routing, Transfer connect(Courtesy, Consult, Conference – in-band,without data forwarding) Customer routing control features like Route It!(excludes self Provisioning), Routing on Demand, etc. Next Available Agent Routing, Network Queuing7
AT&T VoIP Network ResiliencyPSTNNetwork Gateway Border Elements(NGBEs) connect via multiple pathsto the 4E network (PSTN)NGBENGBENetwork Elements havephysical redundancy andgeographic diversityAll IPTF service is at leastdual-provisioned on physically& geographically diverse IPBorder Elements ises8NGBEIPBEIPBE50%SIP Trunks: T1, T3,Frac.T3, Ethernet, OCXwith AT&T VPN Service, orAT&T Dedicated InternetServiceCustomerPremisesMultiple Access Circuits can bemanaged with:a) Call Allocator (manageallocations online)b) IP-ADR –automatic site failoverc) ADR - automatic site failover(including failover to PSTN sites)d) BGP-R Call Failover &Preservation
Quality of Service and securityfeatures for AT&T VoIPAT&T VoIP NetworkAT&T Internal MPLS VPN Voice AwareNetworkInternal MPLSVoice VPNProvides network protection and Quality ofService (QoS) for AT&T VoIP communicationswithin the AT&T Trusted DomainAT&T hub-and-spoke MPLS VoIP PN forCustomer AccessProvides security and QoS for AT&T VoIPcommunications through the network to theAT&T VoIP Network ElementsAT&T MPLS VPNProvides security features and QoS forcustomer data communications9BorderElementsAT&T MPLSNetworkBorderElementsHub-&-spokeMPLS VoIP VPNMPLS DataVPNsNetworkGatewaysPSTN
AT&T IP Toll-FreeKey takeaways Simplicity and Savings from NetworkConvergence & Call Compression Current & future innovative SIP features(e.g. SIP Refer, SIP Redirect) Supports Hybrid (TDM and IP) networkwith Advanced Features Pre-certified for interoperability across abroad range of CPE vendors Supports billions of IP Toll-Free productionminutes each month⁃ Across various customer sizes and applications(contact center, fax, conferencing, etc.) Rides on AT&T’s high performance MPLS IPBackbone network10
AT&T has significant SIP experience and a broad SIP-based portfolio IP Toll-Free supports customers across industries and segments Customers typically choose IP Toll-Free for: ⁃ Reduced total cost of ownership ⁃ Centralization and consolidation through big SIP trunks ⁃ C
