The best practice for the transportation and care of the Wireless CP-7920


Jul 22, 2009 7:43 PM
Jun 22nd, 2009

Core Issue

The use of unauthorized stick-on belt clips can damage the Cisco Unified Wireless IP Phone 7920 (CP-7920). An unauthorized stick-on clip, labeled a Hook, causes the battery case to split open, which causes the internal spring to short out the internal battery leads. The spring develops enough heat in order to melt the plastic cover. To wear the CP-7920 on a belt when the battery fails in this way can cause burns.

In addition, any unauthorized procedures established in order to clean the device can result in a damaged Cisco Unified Wireless IP Phone. To clean the device with anything except a dry, clean cloth can damage it.

The misuse of the Cisco Unified Wireless IP Phone 7920 can result in damage and a voided warranty.


Use these methods in order to transport and clean the Cisco Unified Wireless IP Phone 7920:

Transport the Cisco Unified Wireless IP Phone 7920:

In order to carry the Cisco Unified Wireless IP Phone 7920 on a belt, utilize the carrying cases available through Cisco Systems. This table lists the part numbers:


Part Number






Cisco 7920 Leather Carry Case, Holster




Cisco 7920 Leather Carry Case, Full Cover


In addition to the leather cases available from Cisco, zCover offers silicon cases and System Wear offers thermoformed heavy-duty polymer cases.

Clean the Cisco Unified Wireless IP Phone 7920:

Gently wipe the phone window and the phone with a soft, dry cloth. Do not use any moist wipes, which includes:

  • Computer keyboard wipes

  • Antibacterial moist wipes

  • Germicidal wipes

The use of anything other than a soft, dry cloth can contaminate the phone components and cause failures.

Refer to Field Notice: FN - 62703 - Best Practice for CP-7920 Cleaning and Transporting for more information.

IP Phone Models

Wireless IP phone 7920

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Posted June 22, 2009 at 4:36 PM
Updated July 22, 2009 at 7:43 PM
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