Maintenance
Figure 7: Easy replaceable battery, unlock the lid and remove the battery
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3749 telephone
3740 telephone
Attach the Hinge-type Clip
Attach the hinge-type belt clip as described in the illustration below.
Figure 8: Screw the hinge-type clip into position
3740/49 telephone
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Avaya 374x DECT Telephone at Integral Enterprise - User Guide
2016