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Refurbished Business Phone Systems

Definity Cards

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  • Avaya Definity TN760E Tie Trunk (Refurbished)
    Avaya Definity TN760E Tie Trunk (Refurbished)
    Key Features: Provides 4-ports for Type 1 or Type 5 four-wire E&M lead signaling tie trunks that can be automatic, immediate-start, wink-start, and delay-dial Each port has T, R, T1, R1, E, and M signal leads Provides release link trunks required for the CAS...
    $187.00
    $187.00
  • Avaya Definity TN760C Tie Trunk (Refurbished)
    Avaya Definity TN760C Tie Trunk (Refurbished)
    Key Features: Provides 4-ports for Type 1 or Type 5 four-wire E&M lead signaling tie trunks that can be automatic, immediate-start, wink-start, and delay-dial Each port has T, R, T1, R1, E, and M signal leads Provides release link trunks required for the CAS...
    $39.00
    $39.00
  • Avaya Definity TN760B Trunk Card (Refurbished)
    Avaya Definity TN760B Trunk Card (Refurbished)
    Key Features: Mnfr Part #: TN760B Provides 4-ports for Type 1 or Type 5 four-wire E&M lead signaling tie trunks that can be automatic, immediate-start, wink-start, and delay-dial. Each port has T, R, T1, R1, E, and M signal leads. Provides release link trunks...
    $55.00
    $55.00
  • Avaya Definity TN759 Processor Circuit Pack (Refurbished)
    Avaya Definity TN759 Processor Circuit Pack (Refurbished)
    Key Features: Mfr. Part #: TN759 Processor Circuit Pack Compatibility: Avaya Definity phone system
    $50.00
    $50.00
  • Avaya Definity TN756 Tone Detector (Refurbished)
    Avaya Definity TN756 Tone Detector (Refurbished)
    Key Features: Provides 4 touch-tone receivers and two general-purpose tone receivers to detect call progress tones, modem answer-back tones, transmission test tones, and noise Provides dial tone detection required for the ARS feature, off-premises (out-of-building) keyboard dialing, and off-premises abbreviated dialing
    $39.00
    $39.00
  • Avaya Definity TN754C 4-Wire DCP Digital Line Circuit Pack (Refurbished)
    Avaya Definity TN754C 4-Wire DCP Digital Line Circuit Pack (Refurbished)
    Key Features: Provides 8 asynchronous, 4-wire DCP ports that can connect to 7400 series and 8400 series digital voice terminals, attendant consoles, or data modules TN754C provides greater call handling for high traffic applications and supports the group paging feature
    $39.95
    $39.95
  • Avaya Definity TN754B 4-Wire DCP Digital Line Circuit Card (Refurbished)
    Avaya Definity TN754B 4-Wire DCP Digital Line Circuit Card (Refurbished)
    Key Features: Manf. Part #: TN754B Provides 8 asynchronous 4-wire DCP ports that can connect to 7400 series and 8400 series digital voice terminals, attendant consoles, or data modules TN754B supports 8400 series data module types  TN754B does not support group paging
    $34.00
    $34.00
  • Avaya Definity TN754 4-Wire DCP Digital Line Circuit Pack (Refurbished)
    Avaya Definity TN754 4-Wire DCP Digital Line Circuit Pack (Refurbished)
    The TN754 comes equipped with 8 asynchronous, 4-wire DCP ports which can connect with the 7400 series and 8400 series digital voice terminals, attendant consoles, or data modules. Key Features: Mfr. Part #: TN754 8-ports: asynchronous, 4-wire DCP Connects to 7400 series and 8400...
    $44.00
    $44.00
  • Avaya Definity TN753B DID Trunk (Refurbished)
    Avaya Definity TN753B DID Trunk (Refurbished)
    Key Features: 8-ports used for immediate-start and wink-start direct inward dialing (DID) trunks Each port has tip and ring signal leads TN753B required to support Brazil Block Collect Call
    $52.88
    $52.88
  • Avaya Definity TN753 DID Pack (Refurbished)
    Avaya Definity TN753 DID Pack (Refurbished)
    The TN 753 interfaces up to 8 wink-start or immediate-start DID circuits from your local service provider. Key Features: Mfr. Part #: 63116 Condition: Refurbished
    $45.00
    $45.00
  • Avaya Definity TN750C Announcement Circuit Pack (Refurbished)
    Avaya Definity TN750C Announcement Circuit Pack (Refurbished)
    Key Features: Records and stores announcements that can be played back on demand as part of a calling feature 16 channels Required for Multiple Integrated Announcements feature Provides on-board flash memory to provide internal backup of the announcements on the board 16kbps compression rate...
    $37.95
    $37.95
  • Avaya Definity TN750B Announcement Circuit Pack (Refurbished)
    Avaya Definity TN750B Announcement Circuit Pack (Refurbished)
    Key Features: Records and stores announcements that can be played back on demand as part of a calling feature 16 channels Required for Multiple Integrated Announcements feature Provides on-board flash memory to provide internal backup of the announcements on the board 16kbps compression rate...
    $49.00
    $49.00
  • Avaya Definity TN748D Tone Detector (Refurbished)
    Avaya Definity TN748D Tone Detector (Refurbished)
    Key Features: Provides four touch-tone receivers and two general purpose ton receivers to detect call progress tones, modem answer-back times, transmission test tones, and noise Provides dial tone detection required for the Automatic  Route Selection (ARS) feature, off-premises (out-of-building) keyboard dialing, and off-premises abbreviated...
    $36.95
    $36.95
  • Avaya Definity TN748C Tone Detector (Refurbished)
    Avaya Definity TN748C Tone Detector (Refurbished)
    Key Features: Provides four touch-tone receivers and two general purpose ton receivers to detect call progress tones, modem answer-back times, transmission test tones, and noise Provides dial tone detection required for the Automatic  Route Selection (ARS) feature, off-premises (out-of-building) keyboard dialing, and off-premises abbreviated...
    $39.98
    $39.98
  • Avaya Definity TN748B Tone Detector Circuit Card (Refurbished)
    Avaya Definity TN748B Tone Detector Circuit Card (Refurbished)
    Key Features: Mfr. Part #: TN748B Tone Detector 4 DTMF Receivers 2 General-Purpose Receivers Detection for Call Progress Tones Detection for Modem Answer-Back Tones Detection for Transmission Test Tones Noise Detection Compatibility: Avaya Definity phone system
    $49.00
    $49.00
  • Avaya Definity TN747B 8-Port Central Office Trunk Circuit Card (Refurbished)
    Avaya Definity TN747B 8-Port Central Office Trunk Circuit Card (Refurbished)
    Key Features: Mfr. Part #: TN747B 8-ports for loop-start or ground-start CO, foreign exchange (FX), and Wide Area Telecommunications (WATS) trunks. Each port has Tip and Ring signal leads Compatible with trunk paging interface Supports the abandoned call search feature in Automatic Call Distribution...
    $39.98
    $39.98
  • Avaya Definity TN747 8-Port Central Office Trunk Circuit Card (Refurbished)
    Avaya Definity TN747 8-Port Central Office Trunk Circuit Card (Refurbished)
    Key Features: Mfr. Part #: TN747 8 CO Trunks Compatible with Trunk Paging Interface Provides additional Incoming or Outgoing Call Capacity Compatibility: Avaya Definity phone system
    $69.00
    $69.00
  • Avaya Definity TN746B 16-Port Analog Line Card (Refurbished)
    Avaya Definity TN746B 16-Port Analog Line Card (Refurbished)
    Key Features: Adds 16 analog voice terminals Supports LED and neon message waiting indicators Supports IROB up to distances of 20,000 feet Supported Voice Terminals: 500 Series 2500 Type Series 7100 Series 8100 Series 9100 Series
    $38.99
    $38.99
  • Avaya Definity TN746 16-Port Analog Line Card (Refurbished)
    Avaya Definity TN746 16-Port Analog Line Card (Refurbished)
    Key Features: Mnfr. Part #: TN746 Adds 16 analog voice terminals. Each port supports one voice terminal with or without LED message waiting indicators Does not support terminals with neon message waiting indicators Supports IROB up to distances of 20,000 feet. Supported Voice Terminals:...
    $30.00
    $30.00
  • Avaya Definity TN744E 8-Port Tone Detector for Multiple Countries (Refurbished)
    Avaya Definity TN744E 8-Port Tone Detector for Multiple Countries (Refurbished)
    Avaya Definity TN744E Call Classifier Tone Detector for Multiple Countries (8-Ports). More Information Provides 8 ports of tone detection on the TDM bus Does not support call progress tone generation or clocking Provides tone generation and detection for R2-MFC DID signaling used in no-US...
    $39.98
    $39.98

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