Voice Function Alternatives - AOpen FM56-ITU/2 Manual

4.8 Voice Function Alternatives

1. AOpen Sound Card (recommanded)
Simply connect the cable from modem to AOpen Sound Card. User can get all
the voice function including message playing and recording through sound
cards.
2. Telephone Handset
If there is a telephone set connected to modem. User can get all the voice
function including message playing and recording through telephone handset.
3. SpeakerPhone and MicroPhone
Connect SpeakerPhone and MicroPhone to modem. User can also get voice
performance.
NOTE:
Any commer cially available micr ophone is usable.
For the speaker , any 8 ohm speaker r ated ar ound 1 Watt can be dr iven
dir ectly by the audio output. An amplifier is requir ed if you need a
higher output volume.