Chapter 1: Product Features
April 15, 2008 G24-L AT Commands Reference Manual 1-11
Short Message Service (SMS)
Overview
The SMS feature provides means for SMS messages handling and the reporting of SMS reception
events.
G24-L SMS implementation is based on the GSM 07.05 specification.
Features
The SMS, as defined within the GSM 900/1800/1900 digital mobile phone standard:
• A single short message can be up to 160 characters of ASCII text in length (7-bit coded).
Message text can comprise words, numbers or an alphanumeric combination.
• Short messages can be written and displayed in various coding schemes, including ASCII
and UCS2.
• Reception of an incoming message can invoke an indication to the terminal. This feature is
configurable using the command AT+CNMI. Short messages received during data calls are
not indicated.
• Short messages can be sent and received simultaneously with GSM voice, data and fax calls.
• Cell broadcast messages can also be selected and received on the G24-L. The G24-L enables
registration to specific broadcast channels.
