i have use 2 gsm modem to sent out sms.i found that each modem sent msg out take 1 minute/sms.i have put the "prefer smsc connection".if i use only 1 modem,the speed is 12 sms/min.may i know how to solve this problem?both 2 modem takes 1 minute to sent out next msg.anyway to max the speed?
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