swg20xx-2.2.0-2022-10-24-16-27-43.bin
release date: 24/10/2022
 	*Fixed the problem that the number of daily calls is not effective. 
	*Fixed the problem that tcpdump does not exit when stopping package capture. 
	*Fixed the problem that schduled rebooting does not take effect.
	*Fixed  the problem that BCCH page has no information.
	*Fixed the problem that SNMP does not display informations.
	*Fixed the problem that configuring prefix causes call failure.
	*Fixed the tls problem .
	*Fixed the problem that gateway does not send 200 ok when making calls to 3xxxxx.
	*Fixed the problem that SMS To Http does not display sms reports.

Note: If you need to use DTMF function, you need to restore your gateway to factory setting after upgrating your gateway to swg-2.1.18.bin.