Quick Start Guide
W90 DECT IP Multi-Cell System
Quick Start Guide
http://support.yealink.com/
For W90DM/W90B rmware 130.85.0.15 or later
For W59R rmware 115.85.0.20 or later
For W53H rmware 88.85.0.20 or later
For W56H rmware 61.85.0.20 or later
For CP930W rmware 87.85.0.20 or later
For DD phone rmware 66.85.0.15 or later
(V85.16)