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Gatekeeper

Aricent’s Gatekeeper is a carrier-class, feature-rich solution that provides complete call control and policy management functions in a voice and video H.323 network. Aricent's proven product and technology expertise enables enterprises and service providers to easily expand and manage the voice capabilities in their networks.

Aricent’s Companion Lifecycle Services

The majority of Aricent’s products are delivered with tailored combinations of our Lifecycle Services, including Global Innovation and Design, Product Development, Testing and Certification, Network Engineering, Maintenance and Support, and Business Operations and Systems Integration. Aricent’s engineers and consultants have successfully completed thousands of services engagements globally using flexible delivery models ranging from on-site to off-shore. Aricent’s services offer deep communications domain expertise, cost and time efficiencies, quick ramp up and contemporary commercial engagement models including end-to-end commitments.


Architecture

Features

Aricent Gatekeeper delivers valuable features that speed time-to-market and reduce costs and risks for service providers as well as enterprise customers.

Features for Service Providers

Aricent Gatekeeper for Internet Telephony Service Providers (ITSPs) is designed to support up to 50,000 subscribers. Its key features are:

  • High scalability
  • Carrier class redundancy
  • Element management
  • Enhanced routing policies
  • Resource availability management
  • Call detail records
  • Performance and management reporting
  • Reporting and logging
  • Security and authentication
    • For ITSPs, Aricent recommends Sun Fire V 210, which can support up to 50,000 subscribers.

    Features for Enterprises

    Aricent Gatekeeper for Enterprise is designed to provide value-added services in an enterprise environment. The high-level features of this product are:
  • Centrex services
    • Voice mail
    • Call forwarding
    • Call waiting
    • Caller ID
    • Conference calling
  • Hunt groups
  • Digit plan and digit analysis
  • H.450 supplementary services
  • Video conferencing
  • Web based system provisioning
  • Hosted PBX
    • For enterprises, Aricent recommends Sun Fire V 100 server. Value-added Features Centrex Services:
  • Centralized administration and maintenance
    • Closed user groups (Virtual PBX)
    • Logical grouping of users
    • Localized short number dialing
    • Subscriber level dialing privileges and restrictions for making inter-group calls
  • Extensive digit manipulation algorithms
  • Flexibility to interoperate with other service providers
  • Multiple routes for the same destination
  • Least cost routing
    • Automatic alternate routing and failure backup
  • Pre-paid interface
  • Configure routes as pre-paid or post-paid
  • Integration with third party pre-paid engines
    • Hunt Groups:
  • Ability to host/support services such as helpdesk and customer care
  • Sequential line hunting
    • Prioritized list for attempting to connect calls
  • Uniform distribution
    • Agent login-logout
    • Calls handled in round-robin fashion uniform distribution
    • H.450 Supplementary Services:
  • Call Transfer
  • Call Forward
  • Call Hold
  • Call Waiting
  • Message Waiting Indication
  • Name Identification
    • Security and Authentication:
  • Support for H.235 standard-based security
  • RADIUS and Cisco Access Token Security
    • Basic Feature Set The Aricent Gatekeeper provides the following basic services: Registration (RAS)/ Zone Management:
  • Registration of H.323 endpoints
  • Definition of zones/registrations on a range of IP and alias addresses
  • Support for Gatekeeper discovery (GRQ/ GCF) procedures
    • Address Translation:
  • Translation of "alias" addresses to "transport" addresses
  • Interface with a LDAP server for address translation lookup
  • Building applications with INAP based lookup for routing decisions
    • Bandwidth Management:
  • Simultaneous processing of calls
  • Control and management of usable bandwidth
  • Assign user priority
    • User Authentication and Authorization:
  • Local user profile database
  • Interface with relevant user profile database
  • Integration of RADIUS support as BES for advanced authentication mechanisms
    • Signaling mode:
  • Gatekeeper routed call signaling mode
  • Direct endpoint call signaling mode

    • Benefits

  • Savings of up to 50 percent on CAPEX
  • Savings of up to 40 percent on OPEX
  • Carrier-class scalability and reliability
  • Centrex and other value-added services
  • Easy manageability
  • Proven interoperability and easy integration
  • Convenient upgrade path