Two-way radios for commercial (that includes courier) are temporarily exempt from the distracted driving law. They've been trying to phase out traditional two ways out for several years now for a permanent hands free solution but they keep extending the deadline. Your best bet is to request a trial...

Hello, I am about to request a trial, on a current charge under the Highway Traffic Act 78.1(1). I was pulled over by an officer who stated that he saw me talking on a cell phone, when in fact I was talking to my dispatcher on our two way radio, as I am a courier driver, I tend to hold the mic close...