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1. <err> codes

 

0 Operation succeeded
1 Alerting state(reserved)
2 Unknown error
3 Busy
4 Peer closed
5 Operation timeout
6 Transfer failed
7 Memory error
8 Invalid parameter
9 Network error
10 Open session error
11 State error
12 Create socket error
13 Get DNS error
14 Connect socket error
15 Handshake error
16 Close socket error
17 Nonet
18 Send data timeout
19 Not set certificates

 

 

 

 

2. Unsolicited Result Codes  

 

+CCHEVENT: <session_id>,

RECV EVENT

In manual receiving mode, when new data of a connection arriving to the module,

this unsolicited result code will be reported to MCU.

+CCH_RECV_CLOSED: <session_id>,

<err>

When receive data occurred any error, this unsolicited result code will be reported to MCU.
+CCH_PEER_CLOSED: <session_id> The connection is closed by the server.

 

 

 

 

 

 

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