NEC DT900 Series User Manual page 3

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DT900/DT900S Series Phone User Guide
For UNIVERGE 3C Communications
and SIP@Net Platforms
H T T P : / / W W W . N E C . C O M
P A R T
D T 9 0 0 S E R I E S
3 C U N I F I E D
N U M B E R 5 4 0 - 4 4 6 R 0
F I R M W A R E
C O M M U N I C A T I O N
V E R S I O N 5 . 0
S Y S T E M V 9 . 2 . 1