https://download.discomp.cz/Grandstream/Datasheets/Datasheet_DP735_English.pdf
Datasheethttps://download.discomp.cz/Grandstream/QIG/DP735_Quick-Installation-Guide.pdf
Quick Installation Guidehttps://download.discomp.cz/Grandstream/User%20Guide/DECT-Handsets-User-Guide-Documentation-Center.pdf
User Guidehttps://download.discomp.cz/Grandstream/User%20Guide/DECT_Quick_User_Guide-1.pdf
Quick User Guide