While on a phone call I cannot hear the other party's voice or they cannot hear mine.

Select the appropriate headphones type or model for troubleshooting steps:

Headband / In-Ear

• Headband/In-Ear
  (Wireless)
  
• Headband/In-Ear
  (Wired)
  

Truly Wireless

• WF-1000XM5
  
• WF-1000XM4
  
• WF-1000XM3
  
• WF-1000X
  
• WF-C700N
  
• WF-C510
  
• WF-C500
  
• WF-H800
  
• LinkBuds Open (WF-L910)
  
• LinkBuds S (WF-LS900N)
  
• LinkBuds (WF-L900)
  
• WF-SP900
  
• WF-SP800N
  
• WF-SP700N
  
• WF-XB700