They could make calls but not receive them .
Many mobile phone users could not be reached , even when they were far from the stricken areas , because the routing of calls to their phones depended on equipment in the affected area .
mobile phone users could make calls but not receive them .
Many mobile phone users could not be reached , even when they were far from the stricken areas , because the routing of calls to their phones depended on equipment in the affected area .