7 Dec
2014
7 Dec
'14
6:36 p.m.
Not iphone but on my Droid I had this problem when I had weak cell signal I had this very problem. I equated it to the touch tones being garbled somehow. I even had the problem when it appeared to have good signal. I switched to VOX amd use the mute button as a toggle on/off to ptt. Works fine.