153
Q
I cannot make a call using an extension line.
A Ingeneral,thedialtoneofaPBXoradigital
phoneswitchingsystemisnotacontinuousone,
unlike that of a trunk line.
Therefore,themodemmaynotmakeacallbecause
themodemmistakesthedialtonefromaPBXora
digitalphoneswitchingsystemasabusytone.Inthis
case,completethefollowingprocedures.
▶ Using an AT command
Asaninitializationcommand,usethecommand,
ATX3.Otherwise,entertheATX3command
manuallybeforemakingacall.
Itcancorrectthisproblembyskippingthedialtone
check step.
▶ Conguring the Modem through the Control Panel
Click Start > Control Panel > Network and Internet
Connections.
Under See Also,
clickPhone and Modem Options.
In the Modems
tab,selecttheinstalledmodem,and
click Properties.
In the Modem
taboftheModem Propertieswindow,
clearthe“Waitfordialtonebeforedialing”checkbox.
Whenthecongurationiscompleted,clickOK.
Q
How do I use my modem when dialing from
overseas?
A1 Checkthatthemodemiscorrectlycongured
according to the current country.
Because the values for communication may differ
accordingtothecountry,youmaynotbeableto
connect via the modem due to an incorrect modem
conguration.
Click Start > Control Panel > Network and Internet
Connections.
Under See Also,
clickPhone and Modem Options.
In the Dialing Rules
tab,clickEdit.
In the General
tabintheEdit Locationwindow,
select the current country from the Country/region
radio
box,specifytheAreacode,andclickOK.
A2
Because the shape of the telephone plug may
dif
feraccordingtothecountry,youhaveto
purchase and use the appropriate telephone plug
for that particular country.