Callez RJ9 4P4C Telephone Training Adapter Y Splitter for Headset or Handset Compatible with Plantronics Mitel Polycom Avaya Yealink Cisco Aastra Shoretel Nortel NEC Grandstream and Other Desk Phones Black sold2020 widely used in 3 -6

widely used in 3 -6

clutch service

D-Port design to stop connectors rotating (connectors NOT included)

This electronic accessories travel organizer bag has enough room for electronic gadgets

Rated for 15 amp service and has a blade type fuse holder

Callez RJ9 4P4C Telephone Training Adapter Y Splitter for Headset or Handset Compatible with Plantronics Mitel Polycom Avaya Yealink Cisco Aastra Shoretel Nortel NEC Grandstream and Other Desk Phones Black sold2020 widely used in 3 -6Callez RJ9 4P4C Telephone Training Adapter Y Splitter for Headset or Handset Compatible with Plantronics Mitel Polycom Avaya Yealink Cisco Aastra Shoretel Nortel NEC Grandstream and Other Desk Phones Product Features Compatibility Notices: The compatibility of this telephone training adapter depends on whether your RJ9 headset is compatible with your telephone. As long as your headset is compatible with your telephone, the adapter will work properly.