Based on the available information, it appears that the caller with the number +17373004200 is likely engaging in unsolicited calls, possibly as part of a telemarketing effort. The fact that the caller hangs up after the answering machine message starts suggests that they are using automated systems to make calls. The frequency of the calls, at least once or twice a week, also supports this conclusion. The caller's behavior and the lack of a message or interaction with the called party imply a lack of legitimacy or personal connection.
This number calls at least once or twice a week, it hangs on while our answering machine message starts and then hangs up, probably another telemarketing group started since Trump got into office.
This number appeared as a missed call on the cell phone, without leaving any message.