Yealink, Handsets, models:

Embrace W60B	Quick Start Manual
IP29G	Quick Reference Manual
IPW56	Quick Reference Manual
MP56	User Manual Quick Reference Manual
T21P	Quick Reference Manual
T27 Series	User Manual
T27P	User Manual
T41	Quick Reference Manual
T41P Skype	Manual
T46	Basic User'S Manual
T55A-Skype for Business Edition	Quick Start Manual