Make sure to return the handsets to the cradles after each phone call.
When to Re-register Handsets (XS1215+1 only)
1)You’ll need to
2)When there is a power failure for more than one hour: If power failure occurs (e.g. due to electrical storm or if the unit is unplugged during a move), both handsets will need to be
3)If the second handset’s battery becomes very low, the handset must be recharged for
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