Welltech LP-389 v.1.06 Operation Guide - Manual (Page 58)

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Redial a dialed call records
1. A Off-Hook or press “ ” or “ ”
2. A hear dial tone
3. A press “
” shows and dial out the last records of dialed.
Call Hold
1. A talk with B, A press “ ”
2. A hear dial tone, , B hear hold tone music
3. A press “
” to retrieve B
4. A talk with B