Multi-Tech Systems MT5600DSDV2 - Manual (Page 25)

MultiModemDSVD User Guide 3 Operation
25 Multi-Tech Systems, Inc.
To Answer a Voice Call in Speakerphone Mode
1. In the terminal window of your communications application, type AT and press
E NTER . The modem will respond with OK.
2. Type AT&F and press E NTER to reset the modem to its default configuration.
3. Type AT#CLS=8#VRN=0#VLS=6S0=0 and press E NTER to initialize the modem
for speakerphone mode.
4. To answer a call in speakerphone mode upon receipt of a RING message, type
ATA and press E NTER . The modem will report VCON to indicate the speaker-
phone is on.
5. To hang up, type ATH and press E NTER .
To Originate a DSVD Call Using the Headset (MT5600DSDV only)
1. In the terminal window of your communications application, type AT and press
E NTER . The modem will respond with OK.
2. Type AT&F and press E NTER to reset the modem to its default configuration.
3. Type AT-SMS=1#VLS=5 and press E
NTER
to enable DSVD mode using the head-
set.
4. To dial, type ATDTnnnnnnn and press E
NTER
, where nnnnnnn is the phone num-
ber of a remote modem.
5. You will hear some high pitched tones, then a static-like sound after the remote
modem picks up your call. You will see a CONNECT response on your terminal.
You can then send data to the remote modem and talk to the remote user by
speaking into the microphone
6. To hang up, type +++ATH and press E NTER .
Note: If DSVD is enabled, the modems will not connect if the V.34 connect rate is
below 12000 bps. The voice link is not maintained in data mode, so if +++ is
typed and the user goes back to data mode, a simulated busy is played to both
modems to tell the users to place their handsets on hook. If you get an ERROR
message when dialing or answering a call, check to make sure the lines are not in
the wrong jacks. A DSVD data connection is terminated by dropping DTR (if en-
abled by &D2) or by issuing +++ATH.