fromNumberId is an optional default for sendMessage / makeCall: when set,
they fall back to it if the model doesn't supply one — the same convenience the
CLI gets from its saved default from_number_id. The Dial credentials live on the
DialClient you pass in, not here.
Options shared by the Dial tools.
fromNumberIdis an optional default forsendMessage/makeCall: when set, they fall back to it if the model doesn't supply one — the same convenience the CLI gets from its saved defaultfrom_number_id. The Dial credentials live on theDialClientyou pass in, not here.