Binary package “gammu-doc” in ubuntu bionic

Gammu Manual

 This provides gammu module, that can work with any phone Gammu
 supports - many Nokias, Siemens, Alcatel, ...
 .
 This package contains The Gammu Manual, comprehensive documentation covering
 Gammu command line utilities, Gammu SMS Daemon, Python bindings for Gammu and
 libGammu library API.