2018.02.14 15:39:44.375 *D* SMS sender: rcpt=061123456 text="abc"
2018.02.14 15:39:46.996 *D* Sending SMS (text mode): rcpt="061123456" text="abc"
2018.02.14 15:39:57.562 *D* Failed to send SMS (will retry)
2018.02.14 15:40:00.188 *D* Sending SMS (text mode): rcpt="061123456" text="abc"
2018.02.14 15:40:10.724 *D* Failed to send SMS (will retry)
2018.02.14 15:40:13.345 *D* Sending SMS (text mode): rcpt="061123456" text="abc"
2018.02.14 15:40:23.927 *D* Failed to send SMS (will not retry)
2018.02.14 15:40:23.927 *D* Failed to send SMS (complete failure)
2018.02.14 15:40:23.927 *D* EVENT SYS_SMS_FAILURE [30] (ID:7656 F:0x0001 S:1 TAG:"") FROM USER-PC: Unable to send SMS to phone 061123456