LTE Module Series
EC25&EC21 AT Commands Manual
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Table 21: GSM Extended Characters
Because the low 8 bit of UCS2 character is the same as the IRA character:
The conversion table of DCS=GSM 7 bit and AT+CSCS=“UCS2” is similar to AT+CSCS=“IRA”.
The conversion table of fmt=GSM 7 bit and AT+CSCS=“GSM” is similar to AT+CSCS=“GSM”.
The conversion table of fmt= GSM 7 bit and AT+CSCS=“IRA” is similar to AT+CSCS=“IRA”.
The conversion table of fmt=GSM 7 bit and AT+CSCS=“UCS2” is similar to AT+CSCS=“IRA”.
The difference is the way of SMS text input or output. Please refer to Table 14 for more details.