Data Sheet (108KB)
 User's Guide
 DownLoad EasyTAPI

Talk Voice 4LV
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  Talk Voice 2/4LV+(With EasyTAPI)

      2 and 4 Port DSP-based Analog Interface Voice Board (Support TAPI)
• Hardware Features
  • Two, four independent voice processing ports supporting low-to medium-density voice systems in a single PC (PCI Bus)
  • Two extra audio jacks allow voice monitoring and auxiliary audio input
  • µ-law voice coding with selectable data rates 32 Kb/s or 64 Kb/s on a channel-by-channel basis
  • Configure multiple boards in a single PC for easy and cost-effective system expansion, capable of scaling from 2 to 20 ports

• Applications
  • Interactive Voice Response (IVR)
  • Automatic Call Distribution (ACD)
  • Unified Messaging System (UMS)
  • Unified Communication (UC)
  • TAPI-compliant AA, VM and Recording applications (Many available, consult your dealers for details)
  • Voice and Fax applications Development

• Technical Description
  • Configuration
    The Talk Voice 2/4LV+ provides two/four telephone line interface circuits for direct connection to analog loop start lines.
    Up to 5 Talk Voice boards can be installed in PCI slots of a single PC chassis enabling port expansion up to 20 ports per system.
    Quality voice can be recorded in ADPCM, PCM or WAV formats.
  • Network Interface
    The Talk Voice 2/4LV+ supports powerful call progress analysis, provides parameters programmable for country-specific regulation ,enhanced DTMF detection & cut-through, plus PABX-specific tone detections.
  • Open Architecture
    The Talk Voice 2/4LV+ boards share a common driver architecture with other CallURL Talk Voice boards, offering users and developers with the maximum in flexibility and scalability.
    All Talk Voice products support standard TAPI and wave drivers for Windows 2000, 2003 and Windows XP (Home or Pro. editions).
• Product Specifications
  • General
    Number of ports: 4 (4LV+)
    Number of ports: 2 (2LV+)
    Max. boards per system: 5
    Digital signal processor: TI TMS 320VC5402 @100 MIPS
  • Host Interface
    Electrical: Rev. 2.2 of PCI bus specification
    Bus speed: 33 MHz maximum
    Shared memory: 256 KB dual port static memory
    Address and interrupts configured automatically by PnP BIOS or PnP OS
    Board ID: Rotary switch to uniquely identify each board
  • Telephone Interface
    Line interface: Loop-start
    Connectors: Two RJ-14 Jacks
    Return loss: 20 dB min (300 to 3300 Hz at 600 Ohms impedance)
    Caller ID: International Caller ID capability via on-hook audio path
  • Audio Signal and Interface
    Audio I/O jacks: 3.5mm audio in & out jacks
    Automatic gain control (AGC)
    Silence detection: programmable (nominal: -44 dBm)
    Call progress monitoring: standard and custom frequency based
  • Audio Encoding
    Sample rate: 8KHz
    32 Kbps OKI ADPCM
    64 Kbps µ-law PCM
    64 Kbps windows 8-bit PCM
  • DTMF Tone Detection
    DTMF digits: 0 to 9, *, #, A,B, C & D
    Dynamic range: -36 dBm to -3 dBm per tone
    Tone duration: 40 ms (minimum)
    Acceptable twist: 10 dB
  • Tone Dialing
    Transmit level: normal at -6.0dBm (high), -8.0dBm (low), parameters programmable
    Frequency variation: < 1%
  • Bundled Drivers and Software
    Bundled with EasyTAPI TAPI and wave drivers for Windows 2000 and Windows XP
  • Software Compatibility
    Microsoft TAPI and wave driver compliant applications
  • Power Requirements
    +5.0V @ 500 mA
    +3.3V @ 500 mA
    +12V  @ 200 mA
    - 12V  @ 200 mA
  • Size
    215mm (L) x 107mm (H); 12.283 (L) x 4.2 (H)
  • Certification
    Telephone network: FCC Part 68
    EMI: FCC Part 15, Class B
  • Environment
    Operating temperature: 0 to 50 C (32 to 122 F)
    Storage temperature: -20 to 65 C (4 to 149 F)
    Humidity: 10 to 80%, non-condensing
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