Connect Jabra 30 to panasonic fone handset

Something like this should work: https://www.amazon.com/NewFantasia-Compatible-QuietComfort-QC35ii-Headphone/dp/B0CZ5XYJ6C/ref=sr_1_1_sspa?sr=8-1-spons&sp_csd=d2lkZ2V0TmFtZT1zcF9hdGY&psc=18 - USB-C for the Jabra and 2.5 mm for the phone. Check what type of connector your phone has, though, and order the cable with the right connector.