On Monday 04 April 2011 10:59 PM, H.S.Rai wrote: > On Thu, Mar 31, 2011 at 10:08 AM, jtd<[email protected]> wrote: >> ... It is also possible that the modem is not recognising >> your incoming ring, in which case you have to set several params in >> the modem for ring frequency and cadence. >> Start minicom and dial your fax number. minicom should display RING. > If I am trying BSNL line, minicom showed "ring". > > But I am to use it with our EPBX (Alcatel Lucent) for which it does > not show "ring". > > I am held up :-( > > Any hint / help will be highly appreciated. > Fax machines/modems sometimes do not recognise EPABX circuits. EPABX lines use 21 volts DC and low ring voltages whereas PSTN lines us 50 volts DC and a 75 volt AC ringer. Try out your config on a direct line at least for testing and cross checking.
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