HTTPS test failed on HL8548 - here is my log

Hello, we are using HL8548-G and have the same problem with SSL connection.
If send the command:
AT+KHTTPSCFG=1,“posttestserver.com”,443,2 - SSL does’t work
Error:
AT+KHTTPSGET=1,"/"
NO CARRIER
+KHTTPS_ERROR: 1,13

but if send:
AT+KHTTPSCFG=1,“posttestserver.com”,443,0 without server authentificate- Working fine.