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TN420C - TN744E




TN429D DIOD (Direct Inward Outward Dialing)
TN464D Universal DS1/ISDN Circuit Pack
TN464F Universal DS1 / ISDN PRI Interface
TN429D DIOD (Direct Inward Outward Dialing)

TN464D Universal DS1/ISDN Circuit Pack

$57.00
TN464F Universal DS1 / ISDN PRI Interface

$34.00
TN464GP Universal DS1/PRI Interface (108826884)
Avaya TN464HP DS1/ISDN PRI Circuit Pack
TN556B ISDN-BRI 4-Wire Interface
TN464GP Universal DS1/PRI Interface (108826884)

$34.00
Avaya TN464HP DS1/ISDN PRI Circuit Pack

$75.00
TN556B ISDN-BRI 4-Wire Interface

$59.00
TN556D ISDN-BRI 4-Wire S/T-NT Interface (12-Ports)
TN570B Expansion Interface
TN570C Expansion Interface
TN556D ISDN-BRI 4-Wire S/T-NT Interface (12-Ports)

TN570B Expansion Interface

$44.00
TN570C Expansion Interface

$69.00
TN570D Expansion Interface
TN742 8-Port Analog Line Circuit Pack
TN744C Call Classifier
TN570D Expansion Interface

$69.00
TN742 8-Port Analog Line Circuit Pack

$37.00
TN744C Call Classifier

$29.00
TN744D Call Classifier
Avaya TN744E Call Classifier Tone Detector
TN744D Call Classifier

$26.00
Avaya TN744E Call Classifier Tone Detector


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