Call waiting

When a call is interrupted by an incoming call from a third party, the fol- lowing options will become available:

• Answer the incoming call: Press the off-hook switch. (Press the off- hook switch again as necessary to switch back and forth between calls.) • Refuse the incoming call: Press the on-hook switch.

    See also:

    NCDS Arbitration
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    Open source license
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    Electronic Key Alarm
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