Are you receiving the records in the server ? In this log it's look like server communication is also having problem.
In the log, it's showing some network issue, the device is sending the sms as per your configuration,
But because of the network issue SMS sending is failed.
SMS Send:(2020/11/18 12:40:49 Lon:74.303032 Lat:31.467539 OverSpeeding Val:11)
ERROR @ m2m_sms_api.c(392):SMS Send failed
APN details are configured properly ?
Please try to use a different operator SIM card and check.
Still you have issue, Please contact your local Teltonika support.
Thanks in advance,