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Cisco 7900 Adapter for M22 Amplifier

Discontinued – Click for more info
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  • Manufacture Discontinued 11/20
  • Adapts to Plantronics M22 Amplifier to Cisco 7900 phones in headset ports
  • Approximately 5 inches long
  • Simple 4 pin modular connection
  • Previously model number PL-40287-06
BTP Model: PL-85638-02
MFR Part: 85638-02

Additional information

Weight 0.0625 lbs
Dimensions 5.00 × 3.50 × 0.75 in


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Manufacture Discontinued.


“One reason we’re with you, and staying with you, is your absolute excellence in providing us help and assistance. Headset Patrol (as I call it) is one of theRead more

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