Showing 49 - 96 of 2283 products

Panasonic Panasonic KX-NS5172 16-Port DLC16 Digital Extension Card (Refurbished)

$295.00

Avaya Avaya Partner 108358722 ASA/DXD PC Card (Refurbished)

$48.00

Panasonic Panasonic KX-TDA5480 4-Channel VoIP Gateway Card (Refurbished)

$279.99

ESI ESI 5000-0257 IVX 482 1st Gen Port Expansion Card (Refurbished)

$395.00

Panasonic Panasonic KX-TDA0290 PRI23 PRI Line Card (Refurbished)

$94.96

NEC NEC SL1100 1100110 Expansion I/F Bus Card (Refurbished)

$114.00

NEC NEC 640078 SV9100 GCD-CP10 CPU Main Processor Blade (Refurbished)

$69.00

Panasonic Panasonic KX-NS5180 6-Port Analog Trunk Card

$295.00

Panasonic Panasonic KX-NS5110 VoIP S-Type DSP Card

$329.00

Iwatsu Iwatsu ADIX IX-CNFBOX-1 101200 Conference Circuit Card (Refurbished)

$250.00

Mitel Mitel 20351423 32FXS Terminal Interface Card

$1,521.00

Toshiba Toshiba Strata GSTU1A CTX/CIX 1-Port Standard Telephone Circuit Card (Refurbished)

$179.00

Panasonic Panasonic KX-TDA620 BUS-S Card (Refurbished)

$799.00

Toshiba Toshiba DDCB3A Door Phone Control Module (Refurbished)

$179.00

NEC NEC SL2100 BE116510 3-Port CO Trunk Card

$111.00

NEC NEC Nitsuko 28i/124i DX2NA-8DSTU-S1 8-Port Digital Station Card (Refurbished)

$39.00

Nortel Networks Nortel Norstar NT7B75GB-93 4-Port LS/DS Analog Trunk Card (Refurbished)

$49.00

Nortel Networks Nortel NT7B75GD-93 Global Analog LS/DS Trunk Card (Refurbished)

$39.00

Toshiba Toshiba Strata CIX MIPU16-1A 16-Channel IP Interface Unit (Refurbished)

$119.00

Comdial Comdial FXISTM-C16S 16-Port Single-Line Card with Caller ID (Refurbished)

$549.00

Avaya Avaya MM711 700315575 Analog Media Module (Refurbished)

$79.00

Panasonic Panasonic KX-TDA0193 8-Port Caller ID Card (Refurbished)

$145.00

NEC NEC 670111 Univerge SV8100 PZ-4COTF 4-Port Loop/Ground Start Trunk Daughter Board (Refurbished)

$49.00

NEC NEC Univerge SV8100 670110 CD-4COTB 4-Port Loop/Ground Start Trunk Interface Card (Refurbished)

$79.00

NEC NEC 670114 Univerge CD-8LCA 8-Port Analog Single-Line Interface Card (Refurbished)

$79.88

NEC NEC 1100023 SL1100 CO Expansion Mounting Card

$46.00

Panasonic Panasonic KX-TDA0181 16-Port Loop Start CO Trunk Card (Refurbished)

$109.00

NEC NEC UX5000 IP3WW-8ESIU-A1 8-Port Digital Station Blade Card (0911077) (Refurbished)

$99.00

Inter-tel Intertel Axxess 550.2740 T1/E1/PRI Card with 827.8877 PRI Pal Chip (Refurbished)

$89.00

Panasonic Panasonic KX-TD193 4-Port Caller ID Card (Refurbished)

$150.00

Nortel Networks Nortel Meridian NTDK23BA Fiber Receiver Card (Refurbished)

$99.00

Mitel Mitel 9109-110-002 12-Port ONS/CLASS Card (Refurbished)

$115.00

Samsung Samsung KPOSDBDL2/XAR 16DLI2 16-Port Digital Line Interface Card (Refurbished)

$85.00

NEC NEC 80025B DS2000 CPU Card (Refurbished)

$43.98

Iwatsu Iwatsu IX-408 4 CITK 8 Station Circuit Card (Refurbished)

$32.00

Iwatsu Iwatsu ADIX IX-8ESUBS-4 8-Port Daughterboard (Refurbished)

$169.00

NEC NEC SL1100 1100022 4-Port Loop-Start CO Line Daughter Card

$135.00

Toshiba Toshiba DDCB Digital Door Phone Controller Box (Refurbished)

$0.00

NEC NEC Electra Elite 48/192 DID(4)-U10 ETU 4-Port Analog DID Trunk Interface (Refurbished)

$53.98

NEC NEC Electra Elite 48/192 ESI(8)-U10 ETU Electronic Station Interface Unit (Refurbished)

$22.99

NEC NEC NEAX 2000 IVS PN-8COTS 8-Port Trunk Card (Refurbished)

$49.00

NEC NEC NEAX 2000 PN-4LCD-A 4-Line Analog Station Card with Message Waiting (Refurbished)

$49.00

Nortel Networks Nortel NT7B75AAAA 4x0 LS/DS Trunk Cartridge With Caller ID (Refurbished)

$149.00

Inter-tel Inter-Tel 580.2100 5000 4-Circuit Single-Line Module (SLM-4) (Refurbished)

$50.00

Toshiba Toshiba BIPU-M2A (Refurbished)

$190.00

Telrad Telrad 76-110-1100 ELD 16-Port Station Card (Refurbished)

$49.00

NEC NEC DS2000 DX7NA-16DSTU-A1 16-Port Digital Card (80021A) (Refurbished)

$149.99

Nortel Networks Nortel NTBB04GC-93 8-Station TCM Expansion Cartridge (Refurbished)

$199.00

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2283 products

Upgrade And Replace Your Phone System Cards

Keep your business phone systems voicemail updated with our Phone System Cards. They are located and installed into your KSU, Key Service Unit. Most phone system cards will snap into place requiring very little installation. Once it is installed all of your office phones will be updated. Voicemail features and commands can start working again and your voicemail system will be up and running. We carry a variety of phone system cards to fit the model of your business telephone.

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Upgrade And Replace Your Phone System Cards