User`s manual

PocketGSM Functional Examples
3.6
1) Reading and Setup of the Services Center
To activate the SMS management, you must insert the identifier number of the Services
Center for your GSM operator. In the most recent SIM cards, the identifier is already
present in memory: to verify you can use a mobile phone or, with Pocket GSM, you can
act as follows:
Command: AT+CSCA? (reading of Services Center)
Answer: +CSCA: “[phone]”,145 (Services Center present)
OK
If the Services Center number is not present, ask the telephone operator, then insert the
identifier as follows:
Command: AT+CSCA=”[phone]” (eg. TIM Services Center)
Answer: OK
Command: AT+CSAS (Save the number of Services Center)
Answer: OK
Attention: the above mentioned numbers (Services Centers) could be modified by the telephone
operator. In case of error after you send the SMS, check the identifier of the Services Center with
your Telephone Operator.
2) Define the mode
Command: AT+CMGF=1 (TEXT mode)
Answer: OK
Command: AT&W (Save the configuration)
Answer: OK
3) Send a message:
Command: AT+CMGS=”[phone]”<enter>
Answer: >