D-Link DPH-300S User Manual page 40

Making a Call
Using the Speakerphone
While making a call, you can engage the
handset's built in speaker to make both ends of
the conversation audible to several people on
your end of the line.
To activate the speakerphone press and hold the
PSTN Dial Tone button until the speakerphone
icon is displayed and you can hear the activity on
the line from the speaker built in to the back of the
handset or the IP button until the speakerphone
icon appears and then your list of IP calls. To
deactivate the speakerphone, press the PSTN
Dial Tone or IP button until the speakerphone icon
disappears. The call then be continued using
the handset normally.
D-Link DPH-300S User Manual
IP
Press and hold this
button to activate the
speakerphone function
for VoIP calls. To
deactivate the
speakerphone
function, press and
hold this button a
second time
PSTN Dial Tone
Press and hold this
button to activate the
speakerphone
function for PSTN
calls. To deactivate
the speakerphone
function, press and
hold this button a
second time
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