Co., Ltd. Modem User Manual

AL7024S Quick Start Manual
No. AL7020S-QSM-101 Altec Electronic AG Seite 17 / 18
Ringing
To test this, call first to a normal telephone and look, if it is ringing. (ATDxxx; with
semicolon for speech-mode). Call also from telephone to GSM.
(Response RING or INCOMING SPEECH CALL)
(This is to see, if the GSM-network connects, or if it is a problem with numbering of
house-exchange, or bad configured ISDN-phones)
Make speech-connection to phone
Do the same and pick the phone up, the GSM should show "CONNECT (SPEECH)". In
the other direction, wait the GSM-module indicating the ring and enter "ATA". Now a
CONNECT should show up. At this step you can also test a headset connected to the
GSM-Module.
Configure both sides for data-transmission
:
- Set ATS0=2 at both sides, so calls are answered after 2 rings.
- Set AT+CSNS=4 / AT+FCLASS=0 at GSM Modem (data mode), specially if you want
to receive call with GSM.
- Set data-protocol:
- GSM to ISDN-TA: AT+CBST=71,0,1 (9600 V.110) . Other TA must
be set to
V.110
(9600 or higher), other protocols don't work.
- GSM to Analog-Modem: AT+CBST=7,0,1 (V.32 9600 baud) (ev. set analog-modem
accordingly).
After the settings, save them with AT&W.
If the other side is an ISDN-TA, this needs an MSN-number to be stored. You could
disconnect the ISDN-phone used in step above and set the TA to the same MSN as
the phone.