
OnCell G2100 Series User’s Manual Using Short Message Services
6-8
SMS Data Format
Text ASCII 7 bits text format (160 bytes per packet)
Binary 8 bits binary (140 bytes per packet)
Unicode 16 bits Unicode (UCS2) format (70 bytes per packet)
ATTENTION
The Target Phone Number must be specified if SMS-OUT is activated.
The Target Phone Number and Caller ID Verification must be written in international format,
starting with “+” followed by the country code.
If you leave Caller ID Verification blank, the OnCell G2100 Series modem will allow all
incoming short messages to be forwarded to the attached serial device. This includes system
broadcasts and advertisements.
Once the SMS Tunnel (SMS-OUT, SMS-IN or both) is activated and the SIM has registered to a
carrier, the GSM LED will start blinking. The mode will be Data Mode, which does not allow
users to enter AT Commands. If necessary, use the escape command (+++) from the terminal to
switch to Command Mode. Command Mode allows the use of AT commands or OnCell
Configurator.
SMS Tunnel Mode will disable auto-answering and connections by GSM, CSD, and GPRS.
The timeout between characters is 0.5 seconds. Messages that require a longer time period will be
split into 2 or more messages.
5. The complete profile will be displayed in Configurator. Click Apply to save the settings
onto the modem.
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