@sara Oh Sara! For communicating bits in bytes, you might like this: https://wiki.xxiivv.com/site/uxntal_signs.html

Sudre's solresol book in french is linked at the bottom of the wikipedia page on it, it's a 300 pages pdf, but it's all in french.

This might be more useful:
http://wiki.xxiivv.com/docs/solresol.html
http://wiki.xxiivv.com/docs/solresol_dict.html