Your search for "CP-BEKEM" revealed the following:
Cisco CP-BEKEM 8800 Series IP VoIP Phone Expansion Module
SKU: NSH-7964
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 104.99
• 19 in stock
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NEW Cisco CP-BEKEM-W 8800 Series Key Expansion Module
SKU: NSN-9100
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Cisco CP-BEKEM-W 8800 Series Key Expansion Module
SKU: NSB-5915
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days