Can someone help me. i'm trying to set up my gsm shield to respond to a sms by sending a value back to the number of origin

Trying to get gprs shield to return sms response to originated number

Topic		Replies	Views
Want to know the number of the person who has send me SMS over GSM module General Guidance	4	1146	May 5, 2021
Sending AT commands and receiving response GSM Shield	8	13550	May 6, 2021
Problem GSM Shield - Rufnummer abfragen Deutsch	6	1965	May 6, 2021
AT command in SIM900A GSM/GPRS module to find out originating address of a SMS Programming	2	3616	May 5, 2021
Inviare AT COMMANDS alla GSM SHIELD Software	6	2189	May 7, 2021