I've got 'most' of that working. The Zumo and Cardo work together properly. It's when I try adding the GMRS radio (as a 2nd phone to the Cardo) where things go sideways. I guess I'll keep plugging away.
Thanks!

I'm having a bit of difficulty working this one through. I'm working on: GMRS -->Packtalk --> ZUMO with my cell phone connected to my ZUMO (only).
ZUMO + Cardo works just fine, no complaints. Cardo + GMRS apparently works fine. But when I try connecting the GMRS to Cardo (as phone 2), the ZUMO picks ...