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Refurbished Business Phone Systems

Avaya Definity

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  • Avaya Definity TN731B Maintenance Pack Circuit Card (Refurbished)
    Avaya Definity TN731B Maintenance Pack Circuit Card (Refurbished)
    Key Features: Mfr. Part #: TN731B Maintenance Pack Circuit Card Provides direct access to the dedicated SAT Provides alarm LEDs for system status Monitors power units and controls emergency transfer Monitors and controls processor circuit pack conditions Monitors cabinet temperature and airflow and originates...
    $49.00
    $49.00
  • Avaya Definity TN731 Maintenance Pack Circuit Card (Refurbished)
    Avaya Definity TN731 Maintenance Pack Circuit Card (Refurbished)
    Key Features: Mfr. Part #: TN731 Maintenance Pack Circuit Card
    $49.00
    $49.00
  • Avaya Definity TN726B 8-Port Data Line (Refurbished)
    Avaya Definity TN726B 8-Port Data Line (Refurbished)
    Avaya Definity TN726B Data Line (8-Ports). More Information Provides 8 serial asynchronous EIA ports with modem interfaces connected through asynchronous data units (ADUs) to EAI ports on DTE Uses Mode 2 or Mode 3 data transfer protocol DTE can be adjuncts and peripheral equipment...
    $79.00
    $79.00
  • Avaya Definity TN725B Speech Synthesizer for U.S. English (Refurbished)
    Avaya Definity TN725B Speech Synthesizer for U.S. English (Refurbished)
    Avaya Definity TN725B Speech Synthesizer for United States English. More Information Provides 4 ports that send voice message information to telephones to activate leave word calling, automatic wakeup, voice message retrieval, and Do Not Disturb features Ports can detect tones
    $1,125.00
    $1,125.00
  • Avaya Definity TN725 Speech Synthesizer for U.S. English (Refurbished)
    Avaya Definity TN725 Speech Synthesizer for U.S. English (Refurbished)
    Key Features: Mfr. Part #: TN725 The TN725 Speech Synthesizer makes available two new wake-up options. The first is VIP Wake-up where an attendant is notified to place a wake-up call to special guest. The second new feature is Daily Wake-up, where the wake-up...
    $2,249.00
    $2,249.00
  • Avaya Definity TN722B DS1 Tie Trunk (Refurbished)
    Avaya Definity TN722B DS1 Tie Trunk (Refurbished)
    Avaya Definity TN722B DS1 Tie Trunk. More Information 8 ports connecting to multi-appearance hybrid analog and digital voice terminals 24 independent trunk connections to a 1.544-Mbps DS1 facility Each trunk transmits data at 64 kbps common channel or 56 kbps Robbed Bit Signaling Three...
    $65.00
    $65.00
  • Avaya Definity TN716B Interface 1 Card (Refurbished)
    Avaya Definity TN716B Interface 1 Card (Refurbished)
    Key Features: Mfr. Part #: TN716B Interface 1 Card Avaya Definity
    $55.00
    $55.00
  • Avaya Definity TN714 Tone Clock Card (Refurbished)
    Avaya Definity TN714 Tone Clock Card (Refurbished)
    Key Features: Mfr. Part #: TN714 Tone-Clock Card Compatibility: Avaya Definity phone system
    $41.99
    $41.99
  • Avaya Definity TN577 Packet Gateway (Refurbished)
    Avaya Definity TN577 Packet Gateway (Refurbished)
    Avaya Definity TN577 Packet Gateway for r. More Information Provides 4 RS-423 physical ports for X.25 protocol interfaces between the system and adjuncts Functions as the data communications interface unit providing protocol conversion between the X.25 protocol and the mode 3 protocol carried across...
    $399.00
    $399.00
  • Avaya Definity TN573B Switch-Node Interface (Refurbished)
    Avaya Definity TN573B Switch-Node Interface (Refurbished)
    Avaya Definity TN573B Switch-Node Interface for r. More Information Routes circuit, packet, and control messages Installed in a SN carrier in a CSS that terminates a fiber optic link from a SNI in another SN carrier, and EI in a PPN, and an EI...
    $199.00
    $199.00
  • Avaya Definity TN572 Switch-Node Clock (Refurbished)
    Avaya Definity TN572 Switch-Node Clock (Refurbished)
    Avaya Definity TN572 Switch-Node Clock for r. More Information Distributes the timing signals that synchronize the SN carrier Also receives maintenance data
    $169.00
    $169.00
  • Avaya Definity TN570D Expansion Interface (Refurbished)
    Avaya Definity TN570D Expansion Interface (Refurbished)
    Avaya Definity TN570D Expansion Interface. More Information Provides interface between the TDM bus and packet bus, and fiber optic links interconnecting cabinets Used in a Port Network (PN) between a PN and another PN in a direct-connect system, and between a PN and an...
    $48.99
    $48.99
  • Avaya Definity TN570C Expansion Interface (Refurbished)
    Avaya Definity TN570C Expansion Interface (Refurbished)
    Avaya Definity TN570C Expansion Interface. More Information Provides an interface between the TDM bus and packet bus, and fiber optic links interconnecting cabinets Used in a Port Network (PN) between a PN and another PN in a direct-connect system and a PN and an...
    $149.00
    $149.00
  • Avaya Definity TN570B Expansion Interface (Refurbished)
    Avaya Definity TN570B Expansion Interface (Refurbished)
    Avaya Definity TN570B Expansion Interface. More Information Provides an interface between the TDM bus and packet bus, and fiber optic links interconnecting cabinets Used in a Port Network (PN) between a PN and another PN in a direct-connect system and a PN and an...
    $39.98
    $39.98
  • Avaya Definity TN568 Audix 8-Port Voice Mail (Refurbished)
    Avaya Definity TN568 Audix 8-Port Voice Mail (Refurbished)
    Avaya Definity TN568 Definity Audix 4.0 Voice Mail. More Information Component of the ED-1E568 Supports voice mail using an embedded 386EX processor Definity Audix systems can be interconnected to create large voice-mail networks that support up to 100,000 subscribers and store up to 100...
    $1,394.88
    $1,394.88
  • Avaya Definity TN567 Audix Multi-Function Board (Refurbished)
    Avaya Definity TN567 Audix Multi-Function Board (Refurbished)
    Key Features: Mfr. Part #: TN567 Audix Multi-Function Board
    $99.00
    $99.00
  • Avaya Definity TN556D ISDN-BRI 4-Wire S/T-NT 12-Port Interface (Refurbished)
    Avaya Definity TN556D ISDN-BRI 4-Wire S/T-NT 12-Port Interface (Refurbished)
    Avaya Definity TN556D ISDN-BRI 4-Wire S/T-NT Interface (12-Ports). More Information Provides 12-Ports connecting to ISDN-BRI terminals Each port has TXT, TXR, PXT, and PXR signal leads Up to 8 ports can be used for adjunct switch application interface (ASAI) links Each port operates at...
    $249.00
    $249.00
  • Avaya Definity TN556C ISDN-BRI 4-Wire Interface Card (Refurbished)
    Avaya Definity TN556C ISDN-BRI 4-Wire Interface Card (Refurbished)
    Key Features: Man. Part #: TN556C TN556C ISDN-BRI 4-Wire Interface Card Avaya Definity
    $99.00
    $99.00
  • Avaya Definity TN556B ISDN-BRI 4-Wire Interface (Refurbished)
    Avaya Definity TN556B ISDN-BRI 4-Wire Interface (Refurbished)
    Provides 12-ports connecting to ISDN-BRI terminals. Each port uses TXT, TXR, PXT, PXR signal leads and ranges up to 3300 feet maximum from the system to the voice terminal. Key Features: Mfr. Part #: TN556B Ports connection to ISDN-BRI terminals: 12 Signal leads: TXT,...
    $59.00
    $59.00
  • Avaya Definity TN553 Packet Data Line (Refurbished)
    Avaya Definity TN553 Packet Data Line (Refurbished)
    Key Features: Provides 12 ports that can connect through a cross-connect field to a TN726B circuit pack Provides software-administrable connections between the Switch Processing Element (SPE) and system access ports Connects to the packet bus and converts mode-2 protocol to mode-3 protocol connecting the...
    $79.00
    $79.00

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