Veraz ControlSwitch. any Application. any Network. any Device. Programmable Softswitch and Service Delivery Platform. ControlSwitch at glance:

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1 Veraz Programmable Softswitch and Service Delivery Platform any. any Network. any Device. at glance: The is a carrier-grade, packet telephony softswitch and programmable service delivery platform based on an advanced modular, distributed computing framework.. offers : Convergence of IP and TDM networks for both Trunking and Access (C4/C5) switching Multi-protocol support for seamless migration from TDM based or earlier generation VoIP networks and services Support the industry standard protocols MGCP, H.323, SIP, H.248 plus global PSTN signaling variants Coexistence and seamless interworking with existing networks & services protecting existing investments Efficient network-wide management via centralized web based management Infrastructure for delivery of a comprehensive services portfolio Subscriber services with web based self-care On-the-fly service programmability and extensibility Quick introduction of customized solutions Unlimited scalability, deployment configuration flexibility Proven openness at all layers Quality of Service (QoS) Management % availability

2 Award winning next-generation softswitch and service platform Bringing end-to-end, revenue generating networking solutions to service providers worldwide Using best-of-breed components, Veraz designs and deploys carrier-class next generation network solutions tailored to meet carriers unique business objectives in the global market. Veraz has extensive global experience & track record based on delivering robust, carrier-class products to over 700 customers in 140 countries In order to maintain a competitive edge via reduced costs and increased service revenue, carriers around the world are looking to migrate their current (legacy) voice services to voice over Internet protocol (VoIP). This migration requires an innovative, next generation packet-switched network based on open, flexible, intelligent, robust solution. Veraz's is the perfect platform to achieve this and beyond. Veraz provides open and interoperable solutions consistent with the intent of the ITU, MSF, IETF, the International Softswitch Consortium, 3GPP IP Multimedia Subsystem (IMS) Service Architecture, and other proponents of distributed architecture. The provides a true best-of-breed solution set for meeting all of the requirements of the complete next generation multi-tiered reference model. services are based on programmable, configurable and dynamic loading of XML scripts. This empowers our customers to design, develop, deploy, activate, and tailor their service offerings on the fly thus, gaining control of their market differentiation. Its envelope-free design allows for unlimited scalability in granular increments-- yielding optimized solution for both initial and large-scale deployments. CapEx becomes aligned with the service provider s revenues. The was engineered with multiple fault protection schemes to ensure five-nines reliability. has proven openness at all interface layers; this enables users to rapidly support new vendors. Moreover, the supports all major VoIP and TDM signaling and control protocols, enabling seamless coexistence and interworking between within a multi-vendor network and nondisruptive migration from legacy infrastructure. Additionally, is a core element in solutions that incorporate products from the Veraz VOSA partnership program. Veraz offers numerous field-deployed solutions interoperable with specialized products from VOSA partners. The open standards, multi-protocol, multi-solution converged services platform from Veraz, enables any new service to be implemented dynamically throughout the entire network, that is, service providers can deploy new services and solutions without the overhead of running multiple disparate networks or incurring downtime to reconfigure the network. Any additional processing capacity is added using Common Off-the-Shelf (COTS) computing platforms. Veraz s unique ability to mediate between various packet protocols such as MGCP, H.323, SIP, H.248 and global PSTN signaling variants gives service providers the flexibility to deliver a wide variety of enhanced services to subscribers served through any type of network. Veraz incorporates real-time collection of detailed statistics used for VoIP traffic prioritization and bandwidth utilization control. The network and application layer statistics collection system in combination with the Policy Engine enables advanced Quality of Service (QoS) Management and Service Level Agreement (SLAs) design. SLAs can be customized - per customer, per interconnection partner, per service, etc. The QoS Management solution enables carriers to automatically - network-wide, and in real-time to obtain feedback; take corrective action to maintain custom SLAs. Service Framework for Ubiquitous Service Delivery Architecture Based on the IMS/TISPAN architecture, the provides ubiquitous, simultaneous multi-function capability across a broad range of telecommunications applications. Because the s call control, services, and applications elements are independent from the actual switching hardware, solutions deployment and implementation can be tailored according to service provider s specific economic and functional requirements. This represents a significant departure from traditional solutions employs embedded control and applications software with limited flexibility. The modular Veraz also maps easily to the IMS architecture and will evolve to incorporate the full IMS standards to enable wireline and wireless services convergence. Veraz converged services architecture will support mobility services that leverage IMS standards.

3 Multi-service solutions on a single service platform VoIP Network SS7 Service Provider 1 Carrier Peer Service Provider 2 SS7 PSTN TDM Switch I-Gate 4000 or any Media TDM Trunking Access Trunking Enterprise PBX MSC PLMN Solutions for Trunking and Peering Veraz Any Network - Any - Any Device Solutions Families Veraz offers a comprehensive set of interaction solutions tailored to carriers and service providers in the global market. Some of these applications involve solutions from our VOSA partners. With Veraz, telecom operators are able to experience our total customer commitment, state-of-the-art technologies and on-the-fly revenue generating applications creation. Below are the solution offerings from Veraz. any Network. any. any Device. Any Network Compression Any Network Switching Any Network Security Any IP Enhanced Services Any Enhanced Subscriber Services Any Service Broker Any Device Wireless Call Center Long Distance Satellite Secure Switching Upgrades Wholesale Long Distance Global Carrier Peer DMS 250/GSP Replacement Mobile Tandem Enhanced Upgrades Inter Carrier Peer Broadband Enhanced Long Distance Pre-paid Conferencing Call Center Messaging VoIP VPN Group IP Centrex Business Residential Multi- Solution Upgrades Media s Media s IP PBX Access DLC Access BLC Access IP Endpoint Access Ubiquitous Service Delivery Architecture with Enhanced Services with Subscriber Services Service Provider 1 Any VoIP, PSTN, PLMN Network Service Provider 2 I-Gate 4000 or any Media I-Gate 4000 or any Media CPE Bridge/ Router IP PBX IAD PBX DLC NGDL Edge Router IP Phone or Softphone Base 2.4 GHz Res. Wireless Home Solutions for Enhanced Services, Subscriber Services, Service Broker Elements: The is a multi-tiered, distributed software system that executes on commercial SUN servers, interconnected over an underlying IP data network. The is designed with a highly scalable architecture. A service provider can elect to start with a small system and grow it to a very large one, spanning multiple geographic centers, by adding components as the traffic and end-user volume increases. At a high level the can be described as a distributed IP-networkbased system providing traditional switch functions of call control, call routing, signaling gateway, and media device control in addition to back office functions in support of provisioning, billing, and network operations. The building blocks or elements are depicted on the graphic next page. Policy Element (PE) The Policy Element (PE) delivers unmatched flexibility with policies combining approximately 100 parameters. This element responds to service policy queries with treatments based on a database of provisioned policies. The Policy Element supports a growing variety of service policies including routing, screening, announcement, IN service triggers, border peering, QoS, registration, authentication, etc. It supports a GUI based policy creation and provisioning system and a real time in memory hierarchical database to an extremely high throughput.

4 Subscriber Data Access Point (SDAP) The SDAP processes real-time subscriber data queries and real-time device registration queries from the SEE. SDAP also owns the call data generated by the services that are assigned to the subscriptions of the subscribers. SDAP also registers device information within its zone. SDAP subscription data is managed by the SM where the business logic resides. Elements Veraz Modular Reference Architecture Management CDRE EC SM EMS SG Service Execution Element (SEE) The SEE executes the service logic within the. Rapid services creation, deployment, and activation is enabled via XML scripting. Adapters enable SEE services to combine resources residing in elements as well as external application systems such as IN systems, SIP based application servers, and Parlay or VXML based feature servers. Call Control Element (CCE) The CCE supports protocol-specific call control; protocol mediation between PSTN facing (SS7/C7, ISDN-PRI, CAS, etc) and generic call processing protocols; and resource management (TGs, channels, gateways, etc.) using MGCP/H.248. IP Call Element (ICE) The ICE supports SIP and H.323 protocol-specific processing, protocol mediation between VoIP network facing protocols (SIP and H.323) and generic call processing protocols, and resource management (TGs, GWs, channels, etc.) via SIP and H.323. Signaling (SG) The Signaling allows the system to access and utilize the STP and SCP resources of the SS7/C7 network for PSTN call signaling and for intelligent networking services. Access Signaling Element (ASE) The ASE elements represent signaling proxies that enable the dynamic binding of physical resources to processing elements in the system. These in turn results in better processing resource utilization and enables operators to support seamless movement of resources within a zone. Control Element (BCE) The BCE is based on the Midcom architecture with an open standards, approach for control of distributed border gateways. The BCE enables NAT traversal, topology hiding, VoIP Firewall, multi-protocol support in addition to advanced capabilities in coordination with other elements including the advanced policy engine provisioning and enforcement. Events Collector (EC) The Events Collector is responsible for collection and storage of billing and callrelated events and QoS statistics from the various elements for subsequent processing for reports and CDRs. CDR Element (CDRE) The Call Detail Record (CDR) element is responsible for the billing and data analysis functions. The CDR Element centralizes the billing data formatting and transport functions. Element Management System (EMS) The EMS provides full FCAPS functionality for all the components of a system including media elements. It enables the modular and distributed network solution to be managed with the ease of managing a single switch. Subscriber Manager (SM) The SM manages subscriber data and subscriptions (the binding between subscriber, resources and services). PE CCE Service Policies Service Logic SEE Control Signaling BCE SDAP ICE ASE Presentation Media Devices / Graphical Interfaces Features and Specifications Service Policies via Policy Element (PE) (IMS/TISPAN Equivalence: SLF, data for application and control elements, e.g. ASF, BGCF. etc.) Highly flexible, policy-based Routing Engine - Overnight customization by field personnel - Multi-tiered routing (no limit on number of tiers) - Multiple numbering plans (no limit) international, national and private - Advanced call screening - Re-routing / route advance - Virtual Private Networks (VPN) support - Combination of TDM and IP Routes Over 100 Routing/ Screening parameters - Signaling attributes - System attributes (e.g. trunk group parameters) - Subscriber attributes (from subscriber DB) - Dynamic attributes (e.g. Time of Day, QoS) Other Service Policies Announcements, Account Codes, Personal Pin, Security Pin, Triggers, Authentication Subscriber Data Access Point (SDAP) (IMS/TISPAN Equivalence: UPSF) Real-time subscriber data queries and device registration Single endpoint or wildcard registration / cancellation requests of devices from SEE; lookup requests from SEE to locate the serving SEE for the subscription that is assigned to a logical address Provides SQL DML (data manipulation Language) statements transport. For example, select * from dept. SQL DML statements are sent by SEE from inside XML service logic. SDAP supports SQL DML with any number of input variables (binding) and any number of output variables (defining) Subscription profile lookups and call data messages, which are sent as SQL DML statement requests Sends notification messages on subscription updates to SEE since SEE caches subscriber data after fetching it from SDAP Provides its own caching for registration information of devices to allow faster lookups Service attribute updates from the devices, which are initiated by the subscriber sent to SM by SEE through SDAP. SDAP provides forwarding capability of messages sent by SEE to SM Service Execution Elements (SEE) (IMS/TISPAN Equivalence : protocol agnostic call logic for application and control elements, e.g. ASF, I/S-CSCF, BGCF, etc.) Uses C++ engine and XML. Protocol Agnostic - Includes the following protocols: Legacy: SS7, PRI, CAS - IP protocols: H.323, SIP, and MGCP. Supports: Toll free, LNP, account codes, directed announcements, tandem, Re-routing, security pin, personal pin SS7 Signaling via Signaling (SG) (IMS/TISPAN Equivalence - SGF) - Termination of SS7 MTP 2/3, ISUP, TCAP, SIGTRAN, STP option - Unlimited surrounding nodes addresses via destination point codes - Telcordia tested - VeriSign (Illuminet) certified - Multi-National SS7 support - Support for ANSI, ITU, ETSI, Japan, and dozens of variants - Programmable signaling framework (data driven variant support) - Support for 8 to 160 A-links / E-Links / F-links per signaling gateway pair Device Control, Protocol Support and Interoperability via Call Control Element (CCE) (IMS Equivalence: MGCF, MRFC, AGCF, S-CSCF session control) Media s (from Veraz I-Gate 4000 / I-Gate 4000-PRO or any standardcompliant media gateway, Integrated Access Devices (IAD), Remote Access s (RAS), Universal Port RAS s, PBXs, Access gateways, IP Devices, Media s Protocol Support - MGCP - H.248v1 (v2 planned) - ISDN Q.931 (PRI): NI-2, 4ESS, DMS and ETSI - NFAS back-up D Channel support - Q.931 non-facility associated signaling (NFAS) - SIGTRAN backhaul Q.931 conveyance M3UA & IUA over SCTP - Analog (FXS) and Digital CAS support - CAS MF & DTMF Signaling support - CAS Wink Start, Immediate Start, Loop Start & Ground Start support - NAS package for RAS terminations Device Control, Protocol Support and Interoperability via IP Call Element (ICE) (IMS/TISPAN Equivalence: IBCF, IWF, interface to 3rd Party ASF, S-CSCF session control) Any standard-compliant media gateway, Integrated Access Devices (IAD), IP PBXs, Proxy s, SIP/H.323 s, IP Devices Protocol Support - SIP UA (RFC 3261 and other supporting IETF specs) - H.323v1-v4

5 Features and Specifications (continued) Proxy Support via Access Signaling Element (ASE) (IMS Equivalence: P-CSCF) SIP Proxy with Load Balancing SIP Registrar SIP Redirect MGCP Proxy with Load Balancing Billing Event and Statistic Data Collection and Analysis via Event Collector (EC) and data collection agents (IMS/TISPAN Equivalence: Charging Functions) Collects and stores billing and call-related events and QoS statistics In conjunction with the Policy Element, automates network-wide, real-time feedback and corrective action to maintain Custom SLAs. SLAs established per customer, per interconnection partner, per service, etc. Control via Control Element (BCE) (IMS/TISPAN Equivalence: border gateway control functions of P-CSCF, IBCF) Functionality: NAT traversal, firewall (VoIP Signaling DoS) Multi-protocol, multi-service, multi-vendor capable Leverages Softswitch Signaling Protocols (SIP, H.323, MGCP, H.248) Limitless network-wide scalability Distributed design Element Management System (EMS) Unified management of distributed system Web-based GUI with local and remote interfaces End-to-end real-time call tracing capabilities for both PSTN & VoIP signaling Dynamic modification to parameters during operation Circuit switch COT test support Configuration and provisioning of all elements; SS7 network parameters; trunk groups; media gateway parameters, routing policies; dial plans Fault Management of alarm management; Media alarm management; network element monitoring, and SS7 monitoring and audit reports Open northbound interfaces for management system support - PL-SQL API, SNMP, CORBA, and TL-1 Security: - Privilege levels and security for users - Creation & deletion of user groups - Login/Logoff tracking Channel management at DS0 level ISUP, CAS and PRI trunks Resource management CDRs browsing Performance Management: - Periodic monitoring - Scheduled reports generation - Wide range of Call Setup and Trunk Usage reports Subscriber Manager (SM) Binds the subscriber and resources services Multi Tier Enterprise and Group Management / Hierarchical organization views Customizable at every level of administrative hierarchy through Bean Shell scripting Ability for script based Workflow Automation (over TL1, SOAP) Wholesale SM partitioning of device management Leverages Middleware to easily add new features and applications Separate for Web based Self Provisioning for OEM Oracle based reporting Carrier service licensing flexibility at every administrative level Ability to restrict number of subscribers; number of service packs (by types); number of subscribers per service pack Top to down provisionable access restriction to attributes and options Subscriber Self Care Portal for services provisioning and activation CDR Generation and Searching via CDR Element (CDRE) (IMS/TISPAN Equivalence: Charging Functions) FTP transport, Text Based CDR with over 100 parameters, BAF format, Flexible CDR Query Generates Text-based CDRs for billing mediation systems Raw call events for billing and traffic analysis Configurable persistent storage for call event data Generates Bellcore AMA Format (BAF) CDRs Coexistence with Open Settlement Protocol Clearinghouse Approval compliances and Standards IETF, ITU, TISPAN, IMS, MSF Installation and Configuration software is pre-loaded and pre-configured on the system allowing efficient, expedited installation Supports software upgrades without affecting active calls or call processing Scalability and Performance Optimized for high performance -- scales to two million busy hour call attempts (BHCAs) across multiple media gateways or Remote Access s on a SUN Netra platform. The actual capacity is determined by call processing mix and on the hardware selected. Distributed, modular architecture provides unlimited scalability through addition of SUN Netra platforms Fault Tolerance and Reliability Automatic failover of any element to active backups distributed on one or more machines Auto-diagnostic and recovery mechanisms for any hardware, software, signaling link, or network fault Supports SCTP for reliable protocol for messaging between elements and network level redundancy Events Collector & CDR Manager disk mirroring percent availability Support for geographic redundancy Routing Database replication CPU overload protection SS7 link redundancy Recommended Platform elements operate on NEBS Level 3 compliant Sun Netra platforms running Solaris software available for use on other customer- defined SUN platforms

6 Veraz Networks, Inc Global Headquarters 926 Rock Avenue, Suite 20 San Jose, CA 95131,USA (tel) (fax) USA - LONGWOOD Veraz Networks, Inc Boothe Circle, Suite 100 Longwood, FL 32750, USA (tel) / (fax)+1-407/ CARRIBEAN REGION and LATIN AMERICA Veraz Networks, Inc W. Cypress Creek Road Ft. Lauderdale, FL 33309, USA (tel) (fax) Global Offices UNITED KINGDOM Veraz Networks UK Ltd. Quatro House, Lyon Way, Frimley Rd. Camberley, Surrey, GU16 7ER, United Kingdom (tel) (fax) FRANCE ECI Telecom - Veraz Networks Products France, Portugal, Middle East & Africa Regional HQ Espace Velizy "Le Nungesser", 13 Avenue Morane Saulnier Velizy, France (tel) (fax) INDIA Veraz (India) Ltd. 219 Antariksh Bhawan, Kasturba Gandhi Marg New Delhi, , India (tel) /4570 (fax) RUSSIA ECI Telecom - Veraz Networks LLC ECI Telcom, P.O. Box 8 Prospect Mira V.V.Ts. Bldg. 206 Moscow , Russia (tel) (fax) SINGAPORE ECI Telecom - Veraz Networks Asia/Pacific Regional HQ 152 Beach Road #21-07/08 East, Singapore, (tel) (fax) CHINA ECI Telecom - Veraz Networks 14/F Building A FU HUA Mansion No.8 Chao Yang Men Bei Avenue Beijing, , China (tel) (fax) GERMANY ECI Telecom European Regional HQ Buropark Oberursel, In der Au Oberursel, Germany (tel) (fax) INDIA Veraz Networks Private Limited #2&4 Ground Floor, Pride Silicon Plaza Senapati Bapat Road, Pune , India (tel) (fax) ISRAEL Veraz Networks Ltd. 30 Hasivim St. Petach-Tikva, 49517, Israel (tel) (fax) Award Winning Packet Telephony Solutions Best Voice Quality: Rated no.1 for Voice Quality by ETSI 2nd Speech Quality Test Event 2002 Best Teamwork: Frost & Sullivan selects Veraz management as VoIP Executive team of the year 2004 Best Product: Internet Telephony Magazine selects Controlswitch 5.5 release as Product of the year 2004 Best Product: Internet Telephony Magazine selects I-Gate 4000 PRO as Product of the year 2003 Best Product Line: Frost & Sullivan selects Veraz for best product Line Strategy award of the year 2005 Best Private Company: AlwaysOn selects Veraz as one of the Top 100 private Companies of the year 2005 About Veraz Networks Veraz Networks is privately funded by ECI Telecom, Argonaut Private Equity, Battery Ventures, Kleiner Perkins Caufield & Byers, Levensohn Venture Partners and Norwest Venture Partners. Veraz Networks products provide far-reaching advantages to a service provider in the migration of their public voice networks to more efficient and flexible packet technology based networks. While capitalizing on existing installed infrastructure investments the service provider is able to solve current network challenges and prepare to capture new revenue opportunities through a new generation of differentiating services. With offices worldwide, Veraz Networks provides a comprehensive service portfolio such as training, advising, planning, and integrating telecom equipment in a multi-vendor and multi-technology environment worldwide. To learn more about our next-generation networks product portfolio please visit our website or call our offices. Veraz / Copyright 2002 Veraz Networks All rights reserved. All specifications are subject to change without prior notice