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DPH-70 User's Guide
5.1 Making PSTN calls
To make an outgoing call, go off hook and dial the destination number, followed by #. For
example, you press 12345# to call 12345 through PSTN network. It plays various call progress
tone as in normal phone and plays ring back tone if the called party is free. DPH-70 establishes
the call on called party attending the call.
DPH-70 normally dials out with DTMF tones. However, if the phone number starts with a '$', then
it dials out the phone number in pulse mode. For example, to dial 12345 in pulse mode, you press
$12345#.
DPH-70 has special supports for operation behind an EPABX. For example, you may have to dial
9 to get external dial tone and then dial the destination number. In this scenario, first dial '9#' to
dial to EPABX and get external dial tone, then dial the destination number.
Reminder: DPH-70 identifies end of phone number by '#'. Please terminate phone number entry
by pressing '#' key. If you don't press any key for more than 5 sec, DPH-70 identifies it as end of
phone number.
5.2 Receiving PSTN calls
DPH-70 can receive any normal PSTN phone call when DPH-70 is not connected to the Internet
through the DIAL-UP button. It rings on incoming call and establishes call on lifting the handset.
Either party can disconnect the call by hanging up.
5.3 Transferring PSTN calls
This feature allows the user to transfer a PSTN phone call to any PSTN phone. To transfer the
call, you flash the hook for a short period and dial the destination number followed by '#'. The
destination number will ring and on off-hook the call transfer will be complete.
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