The phones were offered to all senators and at least half of the chamber accepted, according to CBS News, which cited people familiar with the program. Senate Sergeant at Arms Karen Gibson told appropriators last month the phones would allow senators to maintain communications in case a man-made or natural disaster takes out standard communications in their corner of the country.The report said the phone program is part of a broader effort to help lawmakers secure their homes and coordinate with local police departments after a series of concerning events.