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1.System Function
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Item
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Specification
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Description
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VoIP protocol
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SIP(RFC3261)/H.323(V2, V3, V4)
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SIP2.0 (RFC3261)
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Audio CODECs
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G.723.1/G.729/G.711
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Video CODECs
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H.263
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DTMF
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RFC2833/INFO/H.245
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SIP(RFC 2833 and INFO), H.323(H.245 User Input Indication)
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System Interconnecting
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H.323 Gateway mode
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Inter work with other GWs, as GW, no registration
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H.323 Gateway registration mode
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Inter work with 3rd party Gatekeeper or Soft Switch by registering with them as GW
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H.323 Gatekeeper mode
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Inter work with 3rd GW or Soft Switch by accepting their registrations as a Gatekeeper
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SIP UA mode
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Inter work with other SIP UAs, as UA, no registration
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SIP UA registration mode
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Inter work with 3rd party SIP Proxy or Soft Switch by registering with them as UA
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SIP Proxy mode
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Inter work with 3rd UA or Soft Switch by accepting their registrations as a SIP proxy
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Authentication mode
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Device ID mode
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Fit for SIP and H.323 registration
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Device ID + IP mode
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Fit for SIP and H.323 registration
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User name + Password mode
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Fit for SIP registration and call
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Number Binding
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Support PSTN number binding with CPE
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support global roaming by binding a device with multiple phone numbers
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Routing Plan
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Support multiple routing Plan
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Routing definition by number prefix
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Routing distribution
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Distributing routing by priority, percentage and time
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Automatic routing retry
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Automatic routing retry when previous try receives error code from trunking or detects timeout
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Value-added Services
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Number display
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Incoming caller number display/Outgoing caller number blocking
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Reject/Accept anonymous call
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Call restriction/Permission
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Call forward
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Call forward unconditional, Call forward busy, Call forward no answer, Call forward offline
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Call transfer
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Support SIP signaling mode and DTMF mode
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Call hold/Retrieve
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Number transform
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Support transforming caller or callee number by settings
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Dial pattern
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Abbreviated dialing
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Support self-service setting
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IP Centrex services
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Enterprise grouping
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Support multiple enterprises and multiple groups per enterprise
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Enterprise extension number
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Short extension number dialing in every enterprise
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DID(Direct Inward Dialing)
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Support calling enterprise extension number using its E.164 number directly from outside
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Group ringing
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All available group extensions ring at the same time, when any extension accepts the call, other extensions stop ringing. Allow for configuring ringing duration
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Group hunting
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Select an extension by random or alphabetical order
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Group IVR
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Support automatic/manual attendant, allow for customizing Greeting
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Call Park/Call Pickup
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Distinctive ringing
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Device support required
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Line group
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Allow every enterprise have its own PSTN routing capability
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Additional service modules
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Prepaid card(Calling Card)
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Billing system required
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Registered call Authentication Module
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Authenticate PSTN caller number, allow for binding multiple caller number, support direct or indirect dialing
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Follow me Service Module
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Support One-number and personal IP calling, allowing for binding multiple Caller numbers
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Voice mail Module
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Allow for receiving voice mail by IVR, Web or Email.
add-on module required
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Voice conference Module
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Support multiple concurrent conference rooms, support password protection. add-on module required
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Web Phone Module
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Support Web Phone and Web800 services. Add-on module required
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IVR
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Voice prompt
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Call failure prompt, account balance prompt
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Calling card IVR flow
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Support multiple IVR access number per IVR flow
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Prepaid account recharge IVR flow
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Automatic attendant IVR flow
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Automatic virtual attendant for enterprise user
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System configuration
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Web Configuration GUI
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Support multi-level administrators
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Batch add/delete users
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Intelligent wizard
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Simplifying configuration process
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Self-service configuration
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Allow user to query/configure personal services
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Logging
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Operation log record and management
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Network management system
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System status monitoring
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Status monitoring for servers, devices and calls
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Realtime call/registration trace
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Call trace, registration trace, realtime call/registration linear graph
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Exception alerting
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Allerting for server exception, resource usage exception
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Statistics
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History calls statistics, alerting records statistics
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Logging
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Operation log record. Allow for adjusting log level
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Billing system
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Support OpenSP-T Billing system
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Refer to OpenSP-T Billing Specification
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2. System capacity
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Item
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Maximum value(Related to hardware performance and network environment)
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Description
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Devices
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50,000
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Additional cascaded modules required for supporting this maximum device capacity
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Device Ports
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100,000
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Additional cascade modules required for supporting this maximum port capacity
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Concurrent calls
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5,000
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Additional cascade modules required
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CPS
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<=20 Call Per Second
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3.System platform
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OS
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RedHat Linux 9.0
RedHat Enterprise Linux 3
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Database
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Oracle 9i for Linux or PostgreSQL
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PostgreSQL for small-scale customer
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