Request
Response
AT+mqttUnsubscribe=[index], [number of Topics],
[topic1],[reserved1] ... [topicX],[reservedX]
OK or error
Arguments:
- index: client handle
- number of topics: max 4
- topic: topic string
- reserved: leave empty
Table 81: AT+MqttUnsubscribe
Request
Response
AT+MqttSet=[index],[option], [value1],...[valueX]
OK (or error)
Arguments:
index: client index
option
value
user
username string
password
password string
will
topic, QOS, retain, Message-
Length, message
keepalive
value in seconds
clean
0 = persistent connection, 1 =
clean connection
Table 82: AT+MqttSet
8.6.5. Ping
Calypso supports ping network utility based on the standard ICMP protocol. Both IPv4 and
IPv6 are supported. This utility can be used to test connectivity and round trip delay.
Calypso reference manual version 1.2
© April 2019
www.we-online.com/wireless-connectivity
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