You don't need PTT for ANY intercom function; you only need it when you need
to turn on the COM transmitter. You an airplane sparky?

Jim

--
There are only 10 kinds of people in the world.
Those who count in binary and those who don't

"**THE-RFI-EMI-GUY**" wrote in message
...
I am interested I had been looking at a Bluetooth solution for a land
mobile headset application. Problem is that you need PTT and Bluetooth
doesn't seem to have that feature.