I used the guide to connect to broker hivemq through mqtts but i didn’t reach to provide connection. I am using MC60:
I (343) MC60: Checking SIM status (Attempt 1/3)…
send: AT+CPIN?
Receive: AT+CPIN?
+CPIN: READY
OK
I (2353) MC60: SIM is ready!
I (2353) MAIN: check sim card status done successfully.
I (2353) MC60: Checking GSM registration (Attempt 1/3)…
send: AT+CREG?
Receive: AT+CREG?
+CREG: 0,1
OK
I (2663) MC60: GSM Network Registered.
I (2663) MAIN: check gsm registration done successfully.
I (2663) MC60: Checking RSSI (Attempt 1/3)…
send: AT+CSQ
Receive: AT+CSQ
+CSQ: 23,0
OK
I (2973) MC60: Received Signal Strength (CSQ: 23), Bit Error Rate (BER: 0)
I (2973) MC60: Good signal strength (CSQ: 23, BER: 0).
I (2973) MAIN: check rssi done successfully.
[MQTT_SSL_CFG] Attempt 1: AT+QMTCFG=“SSL”,0,1,2
send: AT+QMTCFG=“SSL”,0,1,2
I (2983) main_task: Returned from app_main()
Receive: AT+QMTCFG=“SSL”,0,1,2
OK
[MQTT_SSL_CFG] MQTT SSL configured successfully.
I (3993) MC60_CERT: Deleting existing cert (attempt 1)…
send: AT+QSECDEL=“NVRAM:CA0”
Receive: AT+QSECDEL=“NVRAM:CA0”
OK
I (5013) MC60_CERT: Certificate deleted successfully.
I (5013) MC60_CERT: Uploading cert (attempt 1)…
send: AT+QSECWRITE=“NVRAM:CA0”,1939,200
Receive: AT+QSECWRITE=“NVRAM:CA0”,1939,200
CONNECT
I (6153) MC60_CERT: Sent 1939 bytes. Waiting for confirmation…
send:
Receive:
+QSECWRITE: 1939,4f64
OK
I (7473) MC60_CERT: Certificate uploaded successfully.
I (7473) MC60_SSL_CACERT: Sending command (Attempt 1): AT+QSSLCFG=“cacert”,2,“NVRAM:CA0”
send: AT+QSSLCFG=“cacert”,2,“NVRAM:CA0”
Receive: AT+QSSLCFG=“cacert”,2,“NVRAM:CA0”
OK
I (8483) MC60_SSL_CACERT: CA certificate path NVRAM:CA0 successfully set.
I (8483) MC60_SSL: Setting SSL auth mode (attempt 1)…
send: AT+QSSLCFG=“seclevel”,2,2
Receive: AT+QSSLCFG=“seclevel”,2,2
OK
I (9493) MC60_SSL: SSL auth mode set: context=2, level=2
I (9493) MC60_SSL_VER: Setting SSL version (ctx=2, version=4), attempt 1
send: AT+QSSLCFG=“sslversion”,2,4
Receive: AT+QSSLCFG=“sslversion”,2,4
OK
I (10503) MC60_SSL_VER: SSL version set successfully (context=2, version=4)
I (10503) MC60_SSL_CIPHER: Setting cipher suite (ctx=2, cipher=0xFFFF), attempt 1
send: AT+QSSLCFG=“ciphersuite”,2,“0xFFFF”
Receive: AT+QSSLCFG=“ciphersuite”,2,“0xFFFF”
OK
I (11513) MC60_SSL_CIPHER: Cipher suite set successfully.
send: AT+QSSLCFG=“ignorertctime”,1
Receive: AT+QSSLCFG=“ignorertctime”,1
OK
I (12513) MC60_SSL_TIME: RTC time check ignored
I (17513) MC60: Sending AT command: AT+QMTOPEN=0,“5c9a917935ab4d4191a66b927ab9a63f.s1.eu.hivemq.cloud”,8883
send: AT+QMTOPEN=0,“5c9a917935ab4d4191a66b927ab9a63f.s1.eu.hivemq.cloud”,8883
Receive: AT+QMTOPEN=0,“5c9a917935ab4d4191a66b927ab9a63f.s1.eu.hivemq.cloud”,8883
OK
+QMTOPEN: 0,-1
W (93563) MC60: Faild to open network (attempt 1): AT+QMTOPEN=0,“5c9a917935ab4d4191a66b927ab9a63f.s1.eu.hivemq.cloud”,8883
OK
+QMTOPEN: 0,-1
send: AT+QMTOPEN=0,“5c9a917935ab4d4191a66b927ab9a63f.s1.eu.hivemq.cloud”,8883
Receive: AT+QMTOPEN=0,“5c9a917935ab4d4191a66b927ab9a63f.s1.eu.hivemq.cloud”,8883
OK
+QMTOPEN: 0,-1
W (171563) MC60: Faild to open network (attempt 2): AT+QMTOPEN=0,“5c9a917935ab4d4191a66b927ab9a63f.s1.eu.hivemq.cloud”,8883
OK
+QMTOPEN: 0,-1
send: AT+QMTOPEN=0,“xxxxxxxxxxxxxxxxxxxxxx.s1.eu.hivemq.cloud”,8883
Receive: AT+QMTOPEN=0,“xxxxxxxxxxxxxxxxxxxxxx.s1.eu.hivemq.cloud”,8883
OK
+QMTOPEN: 0,-1