Are there any telephone headsets that use a regular phone connector?

[Jade Cambell]

I have a THAT-2 Audio tap device to record phone calls (with my clients permission), but it doesn't work with the headset that plugged into the audio jack in my phone. I need one that plugs in via that phone connector. The kind of connection that the default receiver plugs in with. Does this exist?

Thanks

[Jade Cambell]

No such device exists?