I am getting the following error whenever I try to initialize the modem. 2011-10-29 07:43:53 [26564] [6] DEBUG: AT2[huawei_e220]: --> ATZ^M 2011-10-29 07:43:53 [26564] [6] DEBUG: AT2[huawei_e220]: <-- OK 2011-10-29 07:43:53 [26564] [6] DEBUG: AT2[huawei_e220]: --> AT^M 2011-10-29 07:43:53 [26564] [6] DEBUG: AT2[huawei_e220]: <-- AT 2011-10-29 07:43:53 [26564] [6] DEBUG: AT2[huawei_e220]: <-- OK 2011-10-29 07:43:53 [26564] [6] DEBUG: AT2[huawei_e220]: --> AT&F^M 2011-10-29 07:43:53 [26564] [6] DEBUG: AT2[huawei_e220]: <-- AT&F 2011-10-29 07:43:53 [26564] [6] DEBUG: AT2[huawei_e220]: <-- OK 2011-10-29 07:43:53 [26564] [6] DEBUG: AT2[huawei_e220]: --> ATE0^M 2011-10-29 07:43:54 [26564] [6] DEBUG: AT2[huawei_e220]: <-- ATE0 2011-10-29 07:43:54 [26564] [6] DEBUG: AT2[huawei_e220]: <-- OK 2011-10-29 07:43:54 [26564] [6] DEBUG: AT2[huawei_e220]: --> AT+IFC=2,2^M 2011-10-29 07:43:54 [26564] [6] DEBUG: AT2[huawei_e220]: <-- OK 2011-10-29 07:43:54 [26564] [6] DEBUG: AT2[huawei_e220]: --> AT+CPIN?^M 2011-10-29 07:43:54 [26564] [6] DEBUG: AT2[huawei_e220]: <-- +CPIN: READY 2011-10-29 07:43:54 [26564] [6] DEBUG: AT2[huawei_e220]: --> AT+CMGF=0^M 2011-10-29 07:43:54 [26564] [6] DEBUG: AT2[huawei_e220]: <-- OK 2011-10-29 07:43:54 [26564] [6] DEBUG: AT2[huawei_e220]: --> AT+CSMS=?^M 2011-10-29 07:43:54 [26564] [6] DEBUG: AT2[huawei_e220]: <-- OK 2011-10-29 07:43:54 [26564] [6] DEBUG: AT2[huawei_e220]: --> AT+CNMI=2,1,2,2,0;+CMEE=1^M 2011-10-29 07:43:54 [26564] [6] DEBUG: AT2[huawei_e220]: <-- +CSMS: (0-1) 2011-10-29 07:43:54 [26564] [6] DEBUG: AT2[huawei_e220]: <-- OK 2011-10-29 07:43:54 [26564] [6] DEBUG: AT2[huawei_e220]: --> AT+CPMS="SM"^M 2011-10-29 07:43:54 [26564] [6] DEBUG: AT2[huawei_e220]: <-- +CMS ERROR: 500 2011-10-29 07:43:54 [26564] [6] ERROR: AT2[huawei_e220]: +CMS ERROR: +CMS ERROR: 500 2011-10-29 07:43:54 [26564] [6] ERROR: AT2[huawei_e220]: +CMS ERROR: An unknown error occurred (500) 2011-10-29 07:43:54 [26564] [6] ERROR: AT2[huawei_e220]: Initialization of device failed. Attempt #1 on -1 max. 2011-10-29 07:43:54 [26564] [6] INFO: AT2[huawei_e220]: Closing device 2011-10-29 07:43:54 [26564] [6] ERROR: AT2[huawei_e220]: Couldn't connect (retrying in 10 seconds).
What can be the problem, Thanks
