Excelltel PABX MD308 - System Programming; Enter System Programming Mode; Restore Default Settings; Change Programming Password

UsingDTMFphoneasextension,andallsettingmustbedoneonextension601-
604.Commandscanbecontinuouslyinput,press"#"toindicatetheendofcommand.
Ifthereisanymistakeduringprogramming,justpress"*"torestartwithouthangup.
Instruction:09xxxx#
Explanation:xxxxistheoriginalprogrammingpassword
Instruction:0000#
Explanation:Pleasewaittheconfirmtone,seeAppendix2forthedetailsofdefaultsetting;
thiswillnotchangethesettingof"Flexiblecoding".
Chap2Systemprogramming
Userwillhearaprompttone"du"wheninputiscorrectwhilethree"du"forincorrect
input.Noticethatinputisonlyallowedwhentheprompttonefinishesoritwillbeinvalidand
incorrectinputmayhappen.Onceprogrammingfinishes,itcankeeponworkingwithout
restart.Whenprogramming,especiallynoticethattheextensionsequencenumberis01~
16(twodigits),andexteriornumberis1~4(onedigit)