Extension number of my 2line NEC phone replaced with "Check List" in NEC SL2100 PABX syste
Extension number of my 2line NEC phone replaced with "Check List" in NEC SL2100 PABX syste
(OP)
Extension number of my 2 line NEC phone (IP7WW-12TXH-A1 TEL (BK)) replaced with "Check List" in NEC SL2100 PABX system. I have been looking for a solution but got unlucky. Someone, please help.