From a study of 187 mobile professionals, we learn many things. Here is a comparison of the percentages of business calls made on mobile devices for those who are paying their own mobile bill, and for those that have the company pay their mobile bill. As you can see, 2/3 of the self-paid users make less than 25% of their in/out business calls from their mobile phone, while 4/5 of the company-paid users make MORE Than 25% of their in/out business calls from their mobile phone.
Comparing estimates of incoming or outbound calls made for business purposes from/to mobile phones.
