Cisco 7900 Push-To-Talk NC Handset:

Cisco 7900 Push-To-Talk Noise-Canceling Handset for Cisco IP 7900 Series Phones, replacement handset with integrated noise cancelling microphone for Cisco IP Phones.

Specifications

• Compatible with 7970G, 7960G, 7940G, 7910G, 7910G+SW, 7912G, 7905G and 7902G IP Phones
• Push-To-Talk Button
• Noise-Canceling Microphone
• Cisco IP Phone replacement handset

Part Number: WS-2739