VoIP

IP networking is the backbone of the Internet and has become the common denominator for today's communications, including voice and video. Today, more and more enterprises are fast replacing their legacy circuit-switched communication networks with scalable and easier-to-manage IP-based communications solutions.

Aricent, the global leader in SIP technology, delivers a host of comprehensive, state-of-the-art outsourcing services and software products that speed development of VoIP products and services.

Expertise

Aricent offers a unique blend of services in technical consultancy, product development, testing, cost reduction re-engineering and sustenance services on VoIP network nodes and software components. Since the inception of its software services offerings, Aricent, has been continually reshaping future technologies by providing the following next generation solutions and services for a worldwide clientele.

Services

Technical Consultancy

• Product road map development
• Product evolution strategy (Ex HLR to HSS)
• Node definition services
• Platform migration planning

Product Development Services

• Design and development in signaling plane, media plane, network EMS (Embedded and NMS) and VoIP applications
• Node development (Ex.IP phone, IP- PBX, Residential gateway, Media gateway, Soft switch, SBC, HSS,P/I/S-CSCF, Application servers)

System Development (Ex. BSP)

• Cost reduction re-engineering
• Platform migration from propriety platform to modular platform such as ATCA

Sustenance services

• 24x7 network maintenance support for VoIP and IMS networks
• Back-to-back SLA support for both enterprise customers and service providers

Testing services

• Compliance, performance and regression testing of VoIP nodes
• Interoperability testing 
• Test automation services

Media Processing

Aricent s a proven provider of high performance Voice over Packet (VoP) and Fax over Packet (FoP)/Fax Relay solutions that enable interworking of the equipment connected to standard PSTN lines with packet networks, such as IP, ATM, wireless, or proprietary protocols. Our DSP expertise has been leveraged in systems, such as media gateways, application servers, and content service gateways. Aricent’s expertise in this area includes:

• Development of wireline modems, such as V.21, V.27, and V.29, and multimedia codecs, such as G.728 and G.729
• General telephony modules, such as DTMF/Tone Generation/Detection and G.165/168- compliant Echo Cancellers
• Development of RTP/RTCP-based efficient Jitter/Delay Buffering and Streaming mechanisms
• T.30/T.38 protocol-based FoP functionalities
• Interoperability testing with standard VoP/FoP systems

Platform Expertise

Aricent has been involved with hardware and OS platforms for delivering its services directly to its customers, or as part of various strategic partnership programs with chip, board, chassis and OS vendors.

Hardware

• Broadcom
• Texas Instruments
• Motorola
• Freescale (Motorola)
• Intel IXP/IXA
• Agere
• IBM Rainier
• Infineon
• AdvancedTCAR
• Radisys

OS

• VxWorks
• Linux (MVL/Kernel.org)
• pSoS
• HP-UX
• Solaris
• Windows

VoIP Development

Aricent has extensive expertise in developing network nodes and specific software components for them. Our expertise covers the entire breadth of VoIP networks listed below, including the elements of future networks, such as IMS.

• IP phones
• IP PBXs
• Residential/Media Gateways
• Softswitches
• Gatekeepers
• Session Border Controllers (SBCs)
• Call Session Control Functions (CSCFs)
• Application level gateways
• Bandwidth managers
• Application Service Brokers

Testing

Aricent operates extensive testing facilities that ensure functional, conformance, load, and interoperability or any device or application in the VoIP ecosystem as well as end-to-end services.

Signaling Protocols

Our extensive expertise in signaling protocols as listed below, enables us to provide robust solutions in this area.

• SIP
• H.323
• MEGACO
• MGCP
• SCTP
• RTP
• SS7/SIGTRAN
• ISDN

Products

In addition to its consulting and development services, Aricent offers a complete line of software products that speed product development and ensure trouble-free deployment and operation.

• IP protocols: TCP/IP protocol suite (IPv4, IPv6, ICMP, and UDP), IP QoS (QoS Routing, RSVP, and Diff-Serv), and MPLS, (LDP)
• IP routing protocols: RIPv1, RIPv2, RIPng, EGP, OSPFv2, BGP-4, BGP-4+, PIMv6, MLD, and IGMP
• IP applications: DNS, FTP, Telnet, TFTP, NAT, GRE, SSH, Radius, and WEBS
• Dynamic access: BOOTP, DHCPv4/v6, and TFTP
• Mobility protocols: Mobility support in IP networks (mobile IP), Mobile Access to IP, and Networks (GPRS and CDPD)Related protocols: PPPoE, L2TP, ISATAP, Radius, TACACS, IP- Sec, IKE, NTP, SNTP, IPX, SNA (SDLC, QLLS, DLS, AppleTalk, XNS, DecNET, and NetBIOS)

Interoperability

Aricent has the expertise to interwork protocols for niche customer segments leading to a wider VoIP deployment and acceptance:

• SIP-H.323
• SIP-MEGACO
• SIP-MGCP
• SS7-SIGTRAN
• Network management

• Flex-NM: Aricent’s platform-independent EM/NM solution for all network types
• CLI toolkit: Aricent’s solution to speed up development of command line interfaces
• Standards: ITU-T, NGOSS, TOM, eTOM, and SID
• Protocols: SNMP, CMIP, TLI, and CORBA
• Frameworks: HP Open View, TeMIP, AdventNet Web NMS, and SolsticeEM
• Adapters: SNMP to Q3, TL1 to Q3, proprietary to Q3, TL1 to CORBA, CORBA to Q, and Mediations/NM