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Sansay Company & Product OverviewJanuary 2013Glen GerhardVP. Product Managementggerhard@sansay.com11Company OverviewHeadquarters: San Diego, California Founded June 2002Also founders at Nuera Communications

Deployed in over 300 production networks in CLEC, MSO, and wireless carriers.

VSX deployed in long distance, prepaid, E911, and residential broadband applications

SPX deployed in Hosted PBX, Wireless, Cable, and IP-Centrex applications

VSXi introduced December 2009: Internet Telephony Product of the Year

2Product Line OverviewVSXi high performance session controlRSX/CPX transitioning into ROME HRS/INXHighest CPS of any session controllerPeering and Access Editions

TranscodingMST for use with INX/CPXTSX for standalone use

ROME HRSIntelligent and high capacity route serverCapable of controlling other SIP devices

ROME NLSHigh capacity LNP database server3Product VSXi VSXi provides session control functionality Winner, Internet Telephony 2009, Product of the Year Key feature / functionality for service delivery Topology hiding and prevention from DDOS attacks Firewall & network address translation (NAT) traversalRich routing features and management of 30M+ routesProtocol interworking with SIP and H.323 Value-added applications SIP trunking, transcoding, mobile peering, & CALEA

Deployment Provided in high availability configurations for non-stop reliability / uptime; better than 99.999% in the fieldSingle system for subscriber & network-facing functions 44INX SystemCapable of 50,000 sessions; 1400 CPSService Ports: Virtual IPs for signaling/mediaHA designed for non-stop operations

Service Ports IPs owned by Active VSXi5Wholesale Termination6

Wholesale Termination Partner

VSXi

VSXiWholesale Termination Carrier

2G or 3G Mobile Service Provider

Fixed Line Service Provider

IPX Carrier

4G VoLTE Provider

ASP / Cloud Service ProviderROMEDo-Not-CallLNPIP NetworkHigh capacity: up to 1400 calls per second / node Flexible low cost geo-redundancy Intelligent routing: includes Jurisdictional routing on LRN & PAI ENUM, Do-not-Call, and LNP dipping Can handle 30M+ routesIntuitive GUI for rapid implementation / trainingOptional transcoding by route selection

Note: Distributed , geo-redundant deployment shown above. Business Voice & SIP Trunking7

VSXi

VSXiBusiness Communications Provider

Over-the-Top Service Delivery

Facilities-Based Access Network IP Network

Subscriber-Facing Session Control

Wholesale Termination Partner 2

VSXi

Wholesale Termination Partner 1Network-Facing Session Control

Feature Server (e.g., BroadWorks)IP PBX

Hosted Subscriber

IP PBX

Hosted SubscriberSubscriber and network-facing session control in a single systemHighly flexible deployment options to support distributed network architectures Commercially deployed with leading feature / application servers / IPPBXsProxy registrations or can act as Registrar for feature server(s) Billing and charging support via CDRs Support Lawful Intercept / CALEA

Note: Distributed deployment shown above. Subscriber and network-facing functions can be managed on single VSXi system. VSXi for Enhanced Applications 8

VSXi

Wholesale Termination Partner 2

Wholesale Termination Partner 1IP NetworkNetwork-Facing Session Control

Enhanced Services / Prepaid Server

VSXiOver-the-Top Service DeliverySubscriber-Facing Session Control

Subscriber and network-facing session control Support Radius for pre-paid and other real-time billing applicationsCommercially deployed with IVR and other enhanced communications appsHigh CPS for inbound / outbound call center / dialer applications

Note: Distributed deployment shown above. Subscriber and network-facing functions can be managed on single VSXi system. Key Feature: DDOS Protection9Co-Location 3Co-Location 2Co-Location 1Provides Network Topology Protection and Resource HidingPublic Border Points

VSXi

VSXi

VSXiDDOS AttacksAutomatically enforced blacklists for remote IPsIntelligently applied to IP addresses or Subscriber, based on feature server response Controllable timers allowing various block periodsApplies to Registrations, Invites, Subscribes, Option polls and protocol errors DDOS AttacksKey Feature: Call Admission Zone Customer and vendor call admission control enforced across all network elements on Trunk ID basis Can manage CPS, RPS and session count across pool of VSXi systems Configured in single GUI screen10Co-Location 3Co-Location 2Co-Location 1Pooling of CPS, RPS and Session Count per Trunk IDShared Pool of SessionsTrunk ID 10,000Example: CPS capped at 100 cps for TID 10,000 managed across Co-Lo 1, 2, & 3

VSXi

VSXi

VSXiKey Feature: Network License VSXi Network License Zone shares a pool of session capacity across a network of VSXi hardwareBetter support for geographic redundancy and distributed hardware Shown below: 6 nodes in 3 high availability pairs supporting 3 interconnect points - pool of sessions shared across all nodes11Co-Location 3Co-Location 2Co-Location 1Session license capacity shared across all 6 nodesNetwork License Zone

VSXi

VSXi

VSXiNetwork License Example Enables more efficient use of session capacity across nodesShown below: network snapshot of traffic across 6 nodes that are licensed for a total of 5000 sessions12NLZ loading is 4500 sessions at snapshot Each co-location better able to handle localized traffic bursts using shared pool of buffer capacity3000 sessions750 sessions750 sessionsNetwork License ZoneNetwork Traffic Snapshot Co-Location 3Co-Location 2Co-Location 1

VSXi

VSXi

VSXiModular System Design13Signaling Plane

Media PlaneSIP & H.323 Traffic

RTP TrafficH.248

QueryMSTMSXINXHRS

INXSIP & H.323 TrafficRTP TrafficSignaling Plane + Media PlaneVSXi functionality can be distributed across specialized server hardware (left) or deployed on an integrated server (right)Offers service providers maximum flexibility and scalability HRS: Route ManagementINX: Call Processing MSX: Media ProcessingMST: Media TranscodingINX for Sub Access or limited routing appsGSMA IPX OperatorEnables intelligent SIP-I session switching and media optimization with Pathfinder ENUM14

MST2 Transcoder1U server with Sansay DSP cardLicensed on a network wide basisTranscoding session count is tracked along with but separate from NLZProvides added value for applications:Long tail echo cancellation up to 728 msecDTMF translationsT.38 translations 15MST2 Transcoder (cont)Highly scalable yet low cost per portAdd up to 4000 sessions per 1U rack spaceN:1 redundant and NLZ make for lower TCOIntegrated into TID config for easy routingMakes routing independent of codec concernsRedundant RTP (RRTP) for best OTT qualityVideo transcoding supported at limited size16TSX TranscoderIntegrated INX/MST2 for easier deploymentHas a new system type with limited functionsThis is similar to Peering Edition; ie, lower costStill supports NLZ for redundancy and building distributed networksHA Redundant for highly reliable POPsAll DSP (audio) aspects are same as MST217Introducing ROMEHRS High-speed Route ServerCentralized management of RoutesSimplifies route management Improves system operating performance Expands number of routes operators can manageEnables more sophisticated routing Enables simple & flexible jurisdictional determination Supports up to 50 alternative routes 18ROME OperationsStateless server, routes held in RAM for extremely fast processing Queried via SIP protocolRoute uploads do not affect system CPSServer updated / managed via GUI and SOAP VSXi can recurse with TID mode Provides compatibility with variety of policy servers (Nuestar Pathfinder, ATT, etc)

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Functioning in the Network20

INX

ROME

INX

MSX

INX

INXQuery & Route Selection

MSXROME Accepts queries and provides routes across INX nodesRoute Management LayerSession Processing and Media Management LayerROME can be added to existing VSXi networkROME typically deployed at Super POP or core network hub

ROME deployed in LB mode with Active-Active systems

Can also be deployed in geo-redundant config

Update & ManageMaster-SlaveROMEHRS RoutingRoute process21

SummaryVSXi: key capabilities for operator profitabilityEngineered with deeper route management, superior calls per second handling, and out-of-the box high availability Sansay: relentless focus on customer satisfactionRapid development cycles and intro of new featuresMajority of sales driven by customer reference Succeeding vs. competition VSXi performance proven via direct testing vs. competitors Majority of operators who trial Sansay turn into customers 22