Avaya Definity Phone Switching Systems & PBXs

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    • New Avaya G650/Definity 12PT ISDN BRI LINE CP TN2198BP 700415730 Fast Shipping - Image 1 of 2
    • New Avaya G650/Definity 12PT ISDN BRI LINE CP TN2198BP 700415730 Fast Shipping - Image 2 of 2

    New Avaya G650/Definity 12PT ISDN BRI LINE CP TN2198BP 700415730 Fast Shipping

    Brand New ยท Avaya
    $575.00
    or Best Offer
    Free shipping
    • New Avaya G650/Definity IP320 MEDIA RESOURCE CIRCUIT PACK TN2602AP 203071 - Image 1 of 2
    • New Avaya G650/Definity IP320 MEDIA RESOURCE CIRCUIT PACK TN2602AP 203071 - Image 2 of 2

    New Avaya G650/Definity IP320 MEDIA RESOURCE CIRCUIT PACK TN2602AP 203071

    Brand New ยท Avaya
    $199.00
    or Best Offer
    Free shipping
    • Avaya S8400 Media Server 700394778 - Image 1 of 4
    • Avaya S8400 Media Server 700394778 - Image 2 of 4
    • Avaya S8400 Media Server 700394778 - Image 3 of 4
    • Avaya S8400 Media Server 700394778 - Image 4 of 4

    Avaya S8400 Media Server 700394778

    $390.00
    Was: $650.00was - US $650.00
    or Best Offer
    $9.99 shipping
    • Avaya MM710 T1/E1 VH4 Definity Card Interface Media Module 700221161 7002284 NEW - Image 1 of 4
    • Avaya MM710 T1/E1 VH4 Definity Card Interface Media Module 700221161 7002284 NEW - Image 2 of 4
    • Avaya MM710 T1/E1 VH4 Definity Card Interface Media Module 700221161 7002284 NEW - Image 3 of 4
    • Avaya MM710 T1/E1 VH4 Definity Card Interface Media Module 700221161 7002284 NEW - Image 4 of 4

    Avaya MM710 T1/E1 VH4 Definity Card Interface Media Module 700221161 7002284 NEW

    Brand New ยท Avaya
    $350.00
    Free shipping
  • Avaya Definity 9823A SOC 04HV205 Short Range Multi-Mode Fiber Transceiver - NEW - Image 1 of 4

    Avaya Definity 9823A SOC 04HV205 Short Range Multi-Mode Fiber Transceiver - NEW

    $49.00
    Free shipping
  • 8ft - 3 RCA Male to Male Composite Audio Video Cable - Image 1 of 3

    8ft - 3 RCA Male to Male Composite Audio Video Cable

    Brand New ยท Polycom
    $7.00
    or Best Offer
    Free shipping
  • New Avaya G650/Definity IPSI2 CIRCUIT PACK TN2312BP RHS 195250 - Image 1 of 4

    New Avaya G650/Definity IPSI2 CIRCUIT PACK TN2312BP RHS 195250

    Brand New ยท Avaya
    $274.99
    or Best Offer
    $13.20 shipping
  • New Avaya G650/Definity C-LAN INTERFACE CIRCUIT PACK TN799DP RHS. 195251 - Image 1 of 2

    New Avaya G650/Definity C-LAN INTERFACE CIRCUIT PACK TN799DP RHS. 195251

    Brand New ยท Avaya
    $249.00
    or Best Offer
    Free shipping
  • New Avaya G650/Definity DS1 INTERFACE TN464HP RHS. 700394794 - Image 1 of 2

    New Avaya G650/Definity DS1 INTERFACE TN464HP RHS. 700394794

    Brand New ยท Avaya
    $199.00
    or Best Offer
    Free shipping
  • New Open Box Avaya TN793B 108551755 24-Port Analog Circuit Board - Image 1 of 3

    New Open Box Avaya TN793B 108551755 24-Port Analog Circuit Board

    $49.98
    or Best Offer
    Free shipping
    Only 1 left!
  • Avaya Definity TN568 Audix V3 - Image 1 of 2

    Avaya Definity TN568 Audix V3

    Pre-Owned ยท Avaya
    $321.95
    Free shipping
  • Avaya Definity TN767B Circuit Card - Image 1 of 1

    Avaya Definity TN767B Circuit Card

    Refurbished ยท Avaya
    $34.95
    Free shipping
  • NEW Avaya 6424D+M Digital Office Business Speaker Display Phone Grey FREE S/H - Image 1 of 3

    NEW Avaya 6424D+M Digital Office Business Speaker Display Phone Grey FREE S/H

    Brand New ยท Avaya
    $21.99
    or Best Offer
    Free shipping
  • Avaya S8400 Media Server 700394778 - Image 1 of 4

    Avaya S8400 Media Server 700394778

    Pre-Owned ยท Avaya
    $360.00
    Was: $600.00was - US $600.00
    or Best Offer
    $9.99 shipping
  • LUCENT TECHNOLOGIES 406805770 - TIC Powersupply 09004-SPS3897 untested. - Image 1 of 4

    LUCENT TECHNOLOGIES 406805770 - TIC Powersupply 09004-SPS3897 untested.

    Parts Only ยท Lucent
    $150.00
    or Best Offer
    Free shipping
  • Avaya Definity TN2404 Processor (TN2404) - Image 1 of 4

    Avaya Definity TN2404 Processor (TN2404)

    Pre-Owned ยท Avaya
    $49.99
    Free shipping
  • Avaya, AT&T, Lucent, Definity TN765 Processor INTFC V22 - Image 1 of 3

    Avaya, AT&T, Lucent, Definity TN765 Processor INTFC V22

    $39.99
    $12.90 shipping
  • AVAYA MG1010 Communication Server Power Supply - NTC312AAE6 ~ EMERSON ~ NORTEL - Image 1 of 4

    AVAYA MG1010 Communication Server Power Supply - NTC312AAE6 ~ EMERSON ~ NORTEL

    Pre-Owned ยท Avaya
    $199.00
    or Best Offer
    Free shipping
  • Genuine Avaya TN744FP HV11 Call Classifier - Image 1 of 4

    Genuine Avaya TN744FP HV11 Call Classifier

    Pre-Owned ยท Avaya
    $30.00
    Was: $50.00was - US $50.00
    or Best Offer
    $8.99 shipping
  • New Avaya G650/Definity FACILITY TEST CIRCUIT PACK TN771DP RHS. 700393408 - Image 1 of 2

    New Avaya G650/Definity FACILITY TEST CIRCUIT PACK TN771DP RHS. 700393408

    Brand New ยท Avaya
    $199.00
    or Best Offer
    Free shipping
  • Avaya Definity TN2501AP Announcement Circuit Over LAN - VAL - Image 1 of 3

    Avaya Definity TN2501AP Announcement Circuit Over LAN - VAL

    Pre-Owned ยท Avaya
    $11.88
    $13.10 shipping
  • AT&T Avaya Lucent Definity Power Supply WP-91153 - Image 1 of 4

    AT&T Avaya Lucent Definity Power Supply WP-91153

    Pre-Owned ยท AT&T
    $519.99
    Free shipping
  • New Avaya G650/Definity CALL CLASSFIER CIRCUIT PACK TN744FP 700437924 - Image 1 of 1

    New Avaya G650/Definity CALL CLASSFIER CIRCUIT PACK TN744FP 700437924

    Brand New ยท Avaya
    $199.00
    or Best Offer
    Free shipping
  • New Avaya TN2214B 2W Digital Line Module Card V12 - Image 1 of 3

    New Avaya TN2214B 2W Digital Line Module Card V12

    Brand New ยท Avaya
    $89.00
    Free shipping
  • AT&T/Lucent/Avaya 631BR Unit - Image 1 of 3

    AT&T/Lucent/Avaya 631BR Unit

    Pre-Owned ยท Avaya
    $175.00
    or Best Offer
    Free shipping
    Only 1 left!
  • Avaya TN464HP DS1/INTFC 24/32 Interface Card HV13 - Image 1 of 4

    Avaya TN464HP DS1/INTFC 24/32 Interface Card HV13

    Pre-Owned ยท Avaya
    $40.00
    Free shipping
  • Lucent/Avaya RM0750AA000 power units out of Definity MCC cabinet - Image 1 of 2

    Lucent/Avaya RM0750AA000 power units out of Definity MCC cabinet

    Pre-Owned ยท Avaya
    $75.00
    or Best Offer
    Free shipping
  • Avaya/Lucent/Tyco 650A Power Unit 107949364 - Image 1 of 4

    Avaya/Lucent/Tyco 650A Power Unit 107949364

    Pre-Owned ยท Avaya
    $15.00
    Was: $25.00was - US $25.00
    or Best Offer
    $13.82 shipping
  • Avaya S8300D S3 V4 Media Server For Avaya G450 - Image 1 of 2

    Avaya S8300D S3 V4 Media Server For Avaya G450

    Pre-Owned ยท Avaya
    $160.00
    or Best Offer
    Free shipping
  • Avaya Definity TN2401/TN2400 Net/Pkt Interface Circuit Packs - Image 1 of 4

    Avaya Definity TN2401/TN2400 Net/Pkt Interface Circuit Packs

    Pre-Owned ยท Avaya
    $39.99
    Free shipping
  • TN8400AP Media Server Hv0 (700327604) Circuit Pack - Image 1 of 4

    TN8400AP Media Server Hv0 (700327604) Circuit Pack

    Pre-Owned ยท Avaya
    $120.00
    Was: $200.00was - US $200.00
    or Best Offer
    $9.99 shipping
  • AT&T 250W EdgeMarc 8-Port Wireless VOIP Router Power Adapter IAD-250-ATT NEW - Image 1 of 4

    AT&T 250W EdgeMarc 8-Port Wireless VOIP Router Power Adapter IAD-250-ATT NEW

    Brand New ยท AT&T
    $68.99
    $10.00 shipping
    Only 1 left!
  • Qty Avaya Tn771DP maintenance/test board w/adaptor - Image 1 of 4

    Qty Avaya Tn771DP maintenance/test board w/adaptor

    Pre-Owned ยท Avaya
    $35.00
    or Best Offer
    Free shipping
  • Avaya Definity Power Supply 1217A 108174525 6064638 - Image 1 of 4

    Avaya Definity Power Supply 1217A 108174525 6064638

    Pre-Owned ยท Avaya
    $899.99
    Free shipping
  • Avaya Definity TN573B V4 Refurbished - Image 1 of 1

    Avaya Definity TN573B V4 Refurbished

    Refurbished ยท Avaya
    $24.95
    $7.50 shipping
  • Avaya Definity TN742 8-Port Analog Line Circuit - Image 1 of 1

    Avaya Definity TN742 8-Port Analog Line Circuit

    Refurbished ยท Avaya
    $29.95
    Free shipping
  • AT&T/Avaya/Lucent Definity TN726B V3 Refurbished - Image 1 of 1

    AT&T/Avaya/Lucent Definity TN726B V3 Refurbished

    Refurbished ยท Avaya
    $29.95
    Free shipping
  • NEW LUCENT AT&T TONE DETECTOR CIRCUIT BOARD TN748B - Image 1 of 4

    NEW LUCENT AT&T TONE DETECTOR CIRCUIT BOARD TN748B

    $43.00
    Free shipping
  • Avaya G350 1x MM7111 1x S8300 1x MM314 1x MM710B - Image 1 of 4

    Avaya G350 1x MM7111 1x S8300 1x MM314 1x MM710B

    Pre-Owned ยท Avaya
    $89.99
    or Best Offer
    $29.99 shipping
  • 3COM VCX V7111 Analog Gatewy 8 Channels Unit - Image 1 of 4

    3COM VCX V7111 Analog Gatewy 8 Channels Unit

    Pre-Owned ยท 3Com
    $78.50
    or Best Offer
    $10.00 shipping
  • TN2211 AVAYA DEFINITY Disk Drive Circuit Pack - Image 1 of 1

    TN2211 AVAYA DEFINITY Disk Drive Circuit Pack

    Pre-Owned ยท Avaya
    $283.00
    or Best Offer
    $7.37 shipping
  • AT&T/Avaya/Lucent Definity TN736 V1 Refurbished - Image 1 of 1

    AT&T/Avaya/Lucent Definity TN736 V1 Refurbished

    Refurbished ยท Avaya
    $29.95
    Free shipping
  • Avaya Definity TDM/LAN Bus Terminator Card ZAHF4 V2 - Image 1 of 4

    Avaya Definity TDM/LAN Bus Terminator Card ZAHF4 V2

    Pre-Owned ยท Avaya
    $30.00
    Free shipping
  • Avaya TN799DP HV16 Control LAN Interface Card - Image 1 of 4

    Avaya TN799DP HV16 Control LAN Interface Card

    $33.00
    Was: $55.00was - US $55.00
    or Best Offer
    $8.99 shipping
    Only 1 left!
  • AVAYA DEFINITY AHF105 V2 BUS TERMINATOR 105305528 NEW #388C - Image 1 of 2

    AVAYA DEFINITY AHF105 V2 BUS TERMINATOR 105305528 NEW #388C

    $69.99
    $6.55 shipping
  • Avaya Definity TN2313AP DS1 Interface - Image 1 of 1

    Avaya Definity TN2313AP DS1 Interface

    Refurbished ยท Avaya
    $34.89
    Free shipping
  • Avaya Definity 8434DX Speaker Display Phone (Black/Refurbished) #THP18A - Image 1 of 4

    Avaya Definity 8434DX Speaker Display Phone (Black/Refurbished) #THP18A

    Refurbished ยท Avaya
    $32.99
    $12.00 shipping
  • Avaya Definity Cabinet Cable Connector TDM Lan Bus WP 91716-L3 - Image 1 of 3

    Avaya Definity Cabinet Cable Connector TDM Lan Bus WP 91716-L3

    Pre-Owned ยท Avaya
    $75.00
    or Best Offer
    Free shipping
  • Avaya TN464HP DS1/INTFC 24/32 Interface Card HV14 - Image 1 of 4

    Avaya TN464HP DS1/INTFC 24/32 Interface Card HV14

    $18.00
    Was: $30.00was - US $30.00
    or Best Offer
    $9.99 shipping
  • Avaya, AT&T, Lucent, Definity TN777B Network Control V20 - Image 1 of 3

    Avaya, AT&T, Lucent, Definity TN777B Network Control V20

    $39.99
    $13.50 shipping
    2 watching
  • Avaya TN799DP C-LAN - Image 1 of 4

    Avaya TN799DP C-LAN

    Pre-Owned ยท Avaya
    $19.99
    or Best Offer
    Free shipping
  • Avaya AT&T TN742 V17 8-Port Analog Line Circuit SN: 95ST12010887 #THP36 - Image 1 of 4

    Avaya AT&T TN742 V17 8-Port Analog Line Circuit SN: 95ST12010887 #THP36

    Refurbished ยท Avaya
    $24.99
    $10.00 shipping
  • AVAYA TN2602AP IP MEDIA RESOURCE 320 CARD BOARD HV8 700394687 - Image 1 of 4

    AVAYA TN2602AP IP MEDIA RESOURCE 320 CARD BOARD HV8 700394687

    Pre-Owned ยท Avaya
    $29.00
    or Best Offer
    Free shipping
    Only 1 left!
  • Avaya MP80 DAR1 Media Processor 80 700432503 LOT OF 2 @ T - Image 1 of 2

    Avaya MP80 DAR1 Media Processor 80 700432503 LOT OF 2 @ T

    Pre-Owned ยท Avaya
    (1)
    $19.00
    Free shipping
  • Avaya TN793B 24-PORT Analog Line V7 - Image 1 of 3

    Avaya TN793B 24-PORT Analog Line V7

    Pre-Owned ยท Avaya
    $40.50
    Was: $54.00was - US $54.00
    or Best Offer
    Free shipping
  • TN767D Avaya Lucent V4 Definity DS1/ISDN PRI Interface Card ***Pulled*** - Image 1 of 2

    TN767D Avaya Lucent V4 Definity DS1/ISDN PRI Interface Card ***Pulled***

    Pre-Owned ยท Avaya
    $34.99
    or Best Offer
    Free shipping
  • Avaya Definity TN2181 V7 16-Port Digital Circuit Pack - Lucent AT&T - Image 1 of 4

    Avaya Definity TN2181 V7 16-Port Digital Circuit Pack - Lucent AT&T

    Pre-Owned ยท Avaya
    $14.62
    Was: $19.49was - US $19.49
    or Best Offer
    Free shipping
  • Avaya TN763D Auxiliary Trunk Card Board - Image 1 of 3

    Avaya TN763D Auxiliary Trunk Card Board

    Pre-Owned ยท Avaya
    $5.00
    $10.00 shipping
  • TN765 Avaya Definity Processor Interface Circuit Pack - Image 1 of 4

    TN765 Avaya Definity Processor Interface Circuit Pack

    $66.30
    Was: $78.00was - US $78.00
    or Best Offer
    $7.67 shipping
  • Avaya TN760E Analog Tie Trunk V6 - Image 1 of 4

    Avaya TN760E Analog Tie Trunk V6

    Pre-Owned ยท Avaya
    $18.00
    Was: $30.00was - US $30.00
    or Best Offer
    $8.99 shipping

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