They do not have a phone number with which you can call them with, but they do their best to respond as soon as possible to the other available methods of contact. (elitedating.biz)
Maybe the people involved in the accident don't have their phones with them. (aronberglaw.com)
If your phone is dead or you do not have a phone on your person, a passing by motorist might be able to call for help. (4autoinsurancequote.com)