Showing 769 - 816 of 1974 products

Avaya Avaya Definity TN716B Interface 1 Card (Refurbished)

$55.00

Avaya Avaya Definity TN567 Audix Multi-Function Board (Refurbished)

$99.00

Avaya Avaya Definity TN767 DS1 Interface Circuit Card (Refurbished)

$69.00

Avaya Avaya Definity TN748B Tone Detector Circuit Card (Refurbished)

$49.00

Avaya Avaya Definity TN2302AP IP Media Processor Card (Refurbished)

$37.95

Avaya Avaya Definity TN2224CP 2-Wire Digital 24-Port Circuit Pack (Refurbished)

$39.00

Avaya Avaya Definity TN767D V5 Auxiliary 4 Trunk Interface Circuit Card (Refurbished)

$49.00

Avaya Avaya Definity TN736 Power Unit Circuit Card (Refurbished)

$49.99

Avaya Avaya Definity TN747 8-Port Central Office Trunk Circuit Card (Refurbished)

$69.00

Avaya Avaya Definity TN797 Analog Trunk and Station Circuit Card (Refurbished)

$75.00

Avaya Avaya Definity TN746B 16-Port Analog Line Card (Refurbished)

$38.99

Avaya Avaya Definity TN799B Control LAN (C-LAN) Interface Card (Refurbished)

$149.00

Avaya Avaya Definity UN332C MSS/Network Controller Card (Refurbished)

$495.00

Avaya Avaya Definity TN1648 System Access and Maintenance Card (Refurbished)

$399.00

Avaya Avaya Definity TN725 Speech Synthesizer for U.S. English (Refurbished)

$2,249.00

Avaya Avaya Definity UN332 Network Controller Card (Refurbished)

$99.00

Avaya Avaya Definity TN770 Memory Circuit Card (Refurbished)

$79.00

Avaya Avaya Definity TN556C ISDN-BRI 4-Wire Interface Card (Refurbished)

$99.00

Mitel Mitel 9400-200-303 SX-2000 Peripheral FIM Carrier Card (Refurbished)

$79.00

Mitel Mitel 9109-616-001 SX-200 Peripheral Interface Module (Refurbished)

$79.00

Mitel Mitel 9109-613-001 SX-200 ML/EL Peripheral FIM Carrier Card (Refurbished)

$125.00

NEC NEC 670179 Univerge SV8300 PZ-64IPLC-A Daughter Board (Refurbished)

$479.00

Mitel Mitel 9104-030-001 SX-50 LS/GS Trunk Card (8 CCT) (Refurbished)

$57.96

Mitel Mitel 9104-021-000 SX-50 COV Line Card (8 CCT) (Refurbished)

$249.00

Mitel Mitel MC341CA SX-2000 DID/Loop TIE Trunk Card (Refurbished)

$48.99

Mitel Mitel MC263CA SX-2000 DS1/T1 Formatter Card (Refurbished)

$399.00

Nortel Networks Nortel Meridian Option NT8D03AJ 16-Port Analog Line Circuit Card (Refurbished)

$99.00

NEC NEC Univerge SV8100 670101 PZ-BS11 1-Port Expansion Board for Expansion Chassis (Refurbished)

$42.00

NEC NEC Univerge SV8100 670100 PZ-BS10 3-Port Expansion Board for Controlling Chassis (Refurbished)

$42.00

Avaya Avaya IP500 700417462 PRI 2 Daughter Card (Refurbished)

$60.00

Nortel Networks Nortel Meridian NT1P61CAE5 Fiber Superloop Network Card (Refurbished)

$325.00

Nortel Networks Nortel Meridian NT8D09CA 16-Port Analog Message Waiting Line Card (Refurbished)

$154.00

Vodavi Vodavi 3530-40 PLLU Phase Loop Lock for STS XTSc V100/V192 (Refurbished)

$42.00

NEC NEC 721110 Electra Professional I ESI-C(8)-11 8-Port Station Card (Refurbished)

$99.00

NEC NEC 670180 Univerge SV8300 PZ-128IPLC-A 128 Channel VoIP Daughter Board (Refurbished)

$799.00

Mitel Mitel 50001248 ICP Dual Fiber Interface Module (Refurbished)

$79.00

Mitel Mitel 9109-614-001 SX-200 Triple CIM Card (Refurbished)

$125.00

NEC NEC 721100 COI-C(2)-10 KTU 2-Line C.O. Circuit Card (Refurbished)

$57.98

NEC NEC Univerge SV8300 CC-CP01 Controller Card 670151 (Refurbished)

$149.00

Avaya Avaya Definity TN763-V6 Auxiliary Trunk (Refurbished)

$65.00

Avaya Avaya IP500 700417397 VCM 64 Base Card (Refurbished)

$79.00

Avaya Avaya IP500 700417215 Legacy Carrier (Refurbished)

$44.95

Avaya Avaya Definity 700407810 S8300C Media Server (Refurbished)

$175.00

Avaya Avaya S8700 700405079 Series DAL-2 Duplication Memory Board (Refurbished)

$249.00

Comdial Comdial FXCPU-EX/SRV2-II CPU Processor Bundle (Refurbished)

$699.00

Comdial Comdial FXCPU2/SRV3-II CPU Processor Bundle (Refurbished)

$799.00

Comdial Comdial FXCPU2/SRV2-II CPU Processor Bundle (Refurbished)

$699.00

Avaya Avaya Definity 700463524 TN793CP 24-Port Analog Circuit Card (Refurbished)

$289.00

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1974 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