CMS ERROR

+CMS ERROR Message service error Description These are the error codes for +CMS ERROR. Error code Meaning 0-127 GSM 04.11 Annex E-2 values 128-255 GSM 03.40 section 9.2.3.22 values 300 Phone failure 301 SMS service of phone reserved 302 Operation not allowed 303 Operation not supported 304 Invalid PDU mode parameter 305 Invalid text mode parameter 310 SIM not inserted 311 SIM PIN necessary 312 PH-SIM PIN necessary 313 SIM failure 314 SIM busy 315 SIM wrong 320 Memory failure 321 Invalid memory index 322 Memory full 330 SMSC (message service center) address unknown 331 No network service 332 Network timeout 500 Unknown error 512 Manufacturer specific